tukar pendapat perkembangan baru dalam teori ekonomi makro

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Tukar Pendapat "Perkembangan Baru dalam Teori Ekonomi Makro dan Implikasinya bagi Pengertian Ekonomi Indonesia' Ibrahim Hasan dan Hartojo Wignjowijoto Summary Ibrahim Hasan provides seveml comments on the Hartojo Wignjowijoto's article concerning to the development of macroeconomic theory and its implication in Indonesian economy (EKI, VoL XXX, No. I . March 1982). Mainly his points concentrate on clarifying the ideas of macroeconomics disequilibrium whose bases are basically Non-Walrasian Price. He also argues on the application of the theory to the Indonesian economy, but he sees no new empirical implication in it. In his rejoinder, Hartojo Wignjowijoto thanks for Ibrahim Hasan's clarifying the ideas of the theory. However, he does not agree on the com- ments of applying the theory. Wignjowijoto insists that the Indonesian economy is rich enough to show such kinds of empirical implications. Pendapat Ibrahim Hasan , Beberapa Catatan Mengenai Teori Disequillibrium' Pada edisi Maret 1982 j o u r n a l i n i , H a r t o j o Wignjowijoto membahas Teori Disequilibrium (selanjutnya disebut TD) dalam tulisannya yang berjudul 'Terkembangan Baru dalam Teori E k o n o m i M a k r o d a n I m p l i k a s i n y a b a g i p e n g e r t i a n E k o n o m i I n d o n e s i a " . ' 1 Catatan ini pertama disajikan dalam ftoum diskusi "Perkembangan Baru dalam Teori E k o n o m i M a k r o d a n I m p l i k a s i n y a b a g i P e n g e r t i a n E k o n o m i I n d o n e s i a " y a n g d i - adakan d i P u s a t P e n e l i t i a n E k o n o m i d a n S u m b e r D a y a M a n u s i a , U n i v e r s i t a s P a d j a d j a r a n pada tanggal 26 September 1981. 2 Hartojo Wignjowijoto (1982) EKI, Vol. XXX, No. 2, June 1982 231

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Page 1: Tukar Pendapat Perkembangan Baru dalam Teori Ekonomi Makro

Tukar Pendapat "Perkembangan Baru dalam Teori Ekonomi Makro dan Implikasinya bagi Pengertian Ekonomi Indonesia' Ibrahim Hasan dan Hartojo Wignjowijoto

Summary

Ibrahim Hasan provides seveml comments on the Hartojo Wignjowijoto's article concerning to the development of macroeconomic theory and its implication in Indonesian economy (EKI, VoL XXX, No. I . March 1982). Mainly his points concentrate on clarifying the ideas of macroeconomics disequilibrium whose bases are basically Non-Walrasian Price. He also argues on the application of the theory to the Indonesian economy, but he sees no new empirical implication in it.

In his rejoinder, Hartojo Wignjowijoto thanks for Ibrahim Hasan's clarifying the ideas of the theory. However, he does not agree on the com­ments of applying the theory. Wignjowijoto insists that the Indonesian economy is rich enough to show such kinds of empirical implications.

Pendapat Ibrahim Hasan ,

Beberapa Catatan Mengenai Teori Disequillibrium'

P a d a e d i s i M a r e t 1 9 8 2 j o u r n a l i n i , H a r t o j o W i g n j o w i j o t o m e m b a h a s T e o r i D i s e q u i l i b r i u m ( s e l a n j u t n y a d i s e b u t T D ) d a l a m t u l i s a n n y a y a n g b e r j u d u l ' T e r k e m b a n g a n B a r u d a l a m T e o r i E k o n o m i M a k r o d a n I m p l i k a s i n y a b a g i p e n g e r t i a n E k o n o m i I n d o n e s i a " . '

1 C a t a t a n i n i p e r t a m a d i s a j i k a n d a l a m ftoum d i s k u s i " P e r k e m b a n g a n B a r u d a l a m T e o r i E k o n o m i M a k r o d a n I m p l i k a s i n y a b a g i P e n g e r t i a n E k o n o m i I n d o n e s i a " y a n g d i ­a d a k a n d i P u s a t P e n e l i t i a n E k o n o m i d a n S u m b e r D a y a M a n u s i a , U n i v e r s i t a s P a d j a d j a r a n p a d a t a n g g a l 2 6 S e p t e m b e r 1 9 8 1 .

2 H a r t o j o W i g n j o w i j o t o ( 1 9 8 2 )

E K I , Vol . X X X , No. 2, June 1982 231

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S e b a g a i t a n g g a p a n a t a s t u l i s a n y a n g m e n a r i k i n i , b e r i k u t k a m i l o n t a r k a n b e b e r a p a c a t a t a n s i n g k a t m e n g e n a i T D u n t u k m e l e n g k a p i d a n m e m p e r j e l a s s t r u k t u r t e o r i t i s d a r i T D . i , . . . „ .

Dasar Pengertian TD

T D a d a l a h s u a t u g a g a s a n m a k r o d i m a n a t r a n s a k s i e k o n o m i d i a s u m s i k a n d a p a t t e r j a d i p a d a h a r g a - h a r g a non-Walrasian, y a i t u p a d a h a r g a - h a r g a d i m a n a p a s a r t i d a k b e r i m b a n g . T e n t u n y a h a r g a n o n - W a l r a s i a n t i d a k a k a n d a p a t t e r b e n t u k a p a b i l a h a r g a s e l a l u d a p a t b e r u b a h d e n g a n c e p a t u n t u k m e n y e s u a i k a n p e r ­m i n t a a n d a n p e n a w a r a n . O l e h k a r e n a i t u , c i r i p o k o k d a r i T D a d a l a h :

( 1 ) p e n d e k a t a n H i c k s i a n fix-price d i m a n a s t a t i o n a r i t y ( k e a d a a n y a n g t i d a k b e r u b a h ) p a d a s i s t e m e k o n o m i t e r j a d i m e l a l u i p r o s e s (quantity adjust­ment; dtan i i f : ;s H i . i .

( 2 ) quantity constraints, y a n g t i m b u l a k i b a t k e t t m p a n g a n a n t a r a p e r m i n t a a n d a n p e n a w a r a n , m e m p a k a n f a k t o r p e n t i n g y a n g m e n e n t u k a n p e r i l a k u p a r a p e l a k u e k o n o m i d a l a m T D .

Jenis-jenis model ekonomi TD

E m p a t j e n i s m o d e l e k o n o m i T D t e l a h d i k e m b a n g k a n :

( 1 ) D r e z e ( 1 9 7 5 ) a d a l a h e k o n o m i p e r t a m a y a n g m e m b u k t i k a n b a h w a s u a t u m o d e l d e n g a n h a r g a - h a r g a y a n g t i d a k b e m b a h d a n q u a n t i t y c o n s t r a i n t s y a n g d i a n g g a p eksogen m e m p u n y a i ( p a l i n g t i d a k ) s a t u t i t i k p e r i m b a n g a n a t a u e q u i l i b r i u m ( i n t e r p r e t a s i : s t a t i o n a r i t y ) . D a l a m m o d e l D r e z e i n i , q u a n t i t y c o n s t r a i n t s t i d a k t e r p e n g a r u h o l e h p e r k e m b a n g a n p a d a p a s a r - p a s a r d a l a m s i s ­t e m e k o n o m i m e l a i n k a i i d i t e n t u k a n " d i l u a r " a n a l i s a T D .

( 2 ) B e n a s s y ( 1 9 7 3 ) t e l a h m e n g e m b a n g k a n s u a t u m o d e l T D d i m a n a q u a n t i t y c o n s t r a i n t s t i d a k d i a n g g a p e k s o g e n t e t a p i d i t e n t u k a n " d i d a l a m " m o d e l T D m e l a l u i s u a t u m e k a n i s m e p e n j a t a h a n (rationing scheme). S e b a g a i c o n t o h , a p a b i l a p a d a s u a t u p a s a r p e n a w a r a n m e l e b U i i p e r m i n t a a n d e n g a n j u m l a h X d a n t e r d a p a t n p e n a w a r , m a k a s u a t u r a t i o n i n g s c h e m e y a n g b i s a t e r j a d i a d a l a h s e b a g a i b e r i k u t : S e t i a p p e n a w a r d i b e r i k a n j a t a h m e n j u a l a p a y a n g d i t a w a r k a n s e m u l a minus X / n . B e n t u k d a r i r a t i o n i n g s c h e m e y a n g r e l e -v a n u n t u k s e t i a p p a s a r j e l a s t e r g a n t u n g p a d a c i r i k h a s m a s i n g - m a s i n g p a s a r . B a h w a m o d e l B e n a s s y i n i m e m p u n y a i p a l i n g t i d a k s a t u t i t i k e q u i l i b r i u m t e l a h d i b u k t i k a n o l e h G r a n t m o n t ( 1 9 7 7 ) .

( 3 ) D e n g a n a d a n y a k o n s e p r a t i o n i n g s c h e m e , m a k a p e r k e m b a n g a n T D l e b i h l a n j u t m e n g a r a h p a d a d u a p e n d e k a t a n , y a i t u p e n d e k a t a n game-theoretic d a n p e n d e k a t a n stochastic. D a l a m p e n d e k a t a n g a m e - t h e o r e t i c ,

282 E K I , Vol . X X X , No. 2, June 1982

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r .

d e n g a n a s u m s i b a h w a s e t i a p p e l a k u e k o n o m i m e n g e t a h u i r a t i o n i n g s c h e m e y a n g b e r l a k u , d a p a t d i p e l a j a r i b a g a i m a n a s e t i a p p e l a k u e k o n o m i m e n e n t u k a n p e n a w a r a n o p t i m a l n y a ' b e r d a s a r k a n p e n a w a r a n - p e n a w a r a n p e l a k u - p e l a k u l a i n d a n r a t i o n i n g s c h e m e y a n g b e r l a k u . I m p l i k a s i g a g a s a n i n i a d a l a h b a h w a k o n s e p Nash equilibrium d a l a m " s p a c e " p e n a w a r a n d a p a t d i g u n a k a n d a l a m T D u n t u k m e m p e r j e l a s l o g i k a p e m b e n t u k a n p e n a w a r a n - p e n a w a r a n d e n g a n d a s a r - d a s a r m i k r o y a n g b a i k . H a l i n i t e l a h d i l a k u k a n o l e h B o e h m d a n L e v i n e ( 1 9 7 6 ) d a n o l e h H e l l e r d a n S t a r r ( 1 9 7 6 ) . A p a b i l a persepsi s e t i a p p e l a k u m e ­n g e n a i p e n a w a r a n - p e n a w a r a n p e l a k u - p e l a k u l a i n d i a n g g a p b e r b e d a d a r i k e ­a d a a n s e b e n a r n y a ( a s u m s i s e m a c a m i n i l e b i h r e a l i s t i s ) , m a k a m a s i n g - m a s i n g p e l a k u d a p a t m e m b e n t u k p e n d i r i a n m a s i n g - m a s i n g (conjectures) m e n g e n a i a p a y a n g a k a n t e r j a d i s e b a g a i a k i b a t / r e s p o n d a r i p a d a a p a y a n g i a t a w a r k a n . H a h n ( 1 9 7 7 ) t e l a h m e n g e m b a n g k a n k o n s e p N a s h e q u i l i b r i u m u n t u k s u a t u m o d e l d i m a n a p e r i l a k u d i t e n t u k a n b e r d a s a r k a n p a d a c o n j e c t u r e s p a r a p e l a k u .

( 4 ) J e n i s m o d e l e k o n o m i T D k e e m p a t a d a l a h p e n d e k a t a n s t o c h a s t i c t e r h a d a p r a t i o n i n g s c h e m e . A p a b i l a k e m u n g k i n a n - k e m u n g k i n a n u n t u k d a p a t m e w u j u d k a n b e r b a g a i t i n g k a t t r a n s a k s i e k o n o m i d i g a m b a r k a n m e l a l u i s u a t u d i s t r i b u s i p r o b a b i l i t a s , m a k a d a p a t d i k e m b a n g k a n s u a t u m o d e l e k o n o m i T D b e r d a s a r k a n stochastic rationing scheme ( l i h a t , u m p a m a n y a , H o n k a p o h j a d a n I t o , 1 9 7 9 ) .

Sumbangan TD pada Ilmu Ekonomi A p a s u m b a n g a n T D p a d a I l m u E k o n o m i ? E m p a t h a l y a n g k a m i r a s a p e r l u d i c a t a t :

( 1 ) T D t e l a h m e m p e r k u a t micro foundation a t a u choice-theoretic foundation d a r i t e o r i e k o n o m i K e y n e s i a n , d a n t e l a h m e m u n g k i n k a n r e k o n -s i l i a s i a n t a r a t e o r i e k o n o m i K e y n e s i a n d a n t e o r i e k o n o m i m i k r o . I n i m e m ­p a k a n s u m b a n g a n T D y a n g t e r b e s a r m e n u m t h e m a t k a m i .

( 2 ) K e l e m a h a n a n a l i s a K e y n e s i a n " t r a d i s i o n a l " b a h w a s a n y a g a j i / u p a h a d a l a h s u a t u yanibAcounter-cyclical ( b e r n i l a i t i n g g i p a d a r e s e s i , b e r -n i l a i r e n d a h p a d a " b o o m " ) t i d a k l a g i t e r d a p a t p a d a a n a l i s a K e y n e s i a n d a l a m i n t e r p r e t a s i T D . H ̂ Y

( 3 ) T D m e n u n j u k k a n b a h w a t i n g k a t p r o d u k s i d a n k e s e m p a t a n k e r j a dapat b e r n i l a i l e b i h r e n d a h d a r i p o t e n s i n y a m a s i n g - m a s i n g w a l a u p u n p a s a r - p a ­sa r m e n g a l a m i excess demand. S i t u a s i s e m a c a m i n i d i n a m a k a n " r e p r e s s e d i n f l a t i o n " .

3 P e r m i n t a a n d i a n g g a p s e b a g a i " p e n a w a r a n n e g a t i f .

E K I , Vol . X X X , No. 2, June 1982 233

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( 4 ) D e n g a n m e n u n j u k k a n b a h w a a n a l i s a T D s e c a r a t e o r i t i s t e r b u k t i ' l o g i c a l l y c o n s i s t e n t " , m a k a p e r a n a n q u a n t i t y a d j u s t m e n t d a n q u a n t i t y c o n s t r a i n t s d a l a m a n a l i s a e k o n o m i e m p i r i s m e n j a d i l e b i h d i p e r h a t i k a n .

Kelemahandcelemahan TD

T i g a k e l e m a h a n p o k o k T D s e b a g a i b e r i k u t :

( 1 ) T i d a k a d a p e n j e l a s a n m e n g e n a i p r o s e s p e n e n t u a n h a r g a . J u g a b e l u m d i t e m u k a n s u a t u k o n s e n s u s m e n g e n a i a l a s a n - a l a s a n a p a saja y a n g m e n y e b a b k a n price rigidity ( h a r g a tidak b e r g e r a k m e n g i k u t i p e r k e m b a n g a n p a s a r ) . "

P e r l u d i c a t a t b a h w a R o b e r t B a r r o , s a l a h s a t u p e l a o p o r T D s e k a r a n g t e l a h b e r u b a h p i k i r a n d a n m e n j a d i p e s i m i s m e n g e n a i T D ( l i h a t B a r r o , 1 9 7 9 ) .

( 2 ) D a l a m a n a l i s a T D t e r d a p a t k e m u n g k i n a n t e r j a d i n y a p r o s e s " s u p p l y m u l t i p l i e r " . P r o s e s i n i a d a l a h s u a t u h a l y a n g k u r a n g i n t u i t i f : a p a b i l a e k o n o m i b e r a d a p a d a t i t i k f u l l e m p l o y m e n t d a n p e r m i n t a a n a g r e g a t mening­kat, m a k a d a l a m a n a l i s a T D p r o d u k s i a k a n menurun. R a m a l a n i n i t i d a k s e l a -r a s d e n g a n p e n g a m a t a n e m p i r i s b a h w a k o r e l a s i a n t a r a p e r m i n t a a n a g r e g a t d a n p r o d u k s i a d a l a h p o s i t i f .

( 3 ) T D t i d a k m e n g a n a l i s a p e r a n a n i n v e n t o r y d a l a m s t m k t u r t e o r i m a k r o . I n v e n t o r y b e r p e r a n s e b a g a i s u a t u " b u f f e r " t e r h a d a p q u a n t i t y c o n ­s t r a i n t s , d a n d e n g a n d e m i k i a n m e n g u r a n g i applicability d a r i T D . L i h a t u m ­p a m a n y a B l i n d e r ( 1 9 8 1 ) . :

Implikasi bagi Pengertian Ekonomilndonesia

P a d a h a k e k a t n y a k a m i k u r a n g m e l i h a t a d a n y a i m p l i k a s i l a n g s u n g d a r i p e r ­k e m b a n g a n T D b a g i p e n g e r t i a n e k o n o m i I n d o n e s i a . H a l i n i k a r e n a p e r a n a n t e r b e s a r T D s e p e r t i t e r t e r a d i a t a s a d a l a h d a l a m m e m p e r j e l a s struktur teoritis a n a l i s a K e y n e s i a n ; s e d a n g k a n filsafat d a n implikasi kebijaksanaan a n a l i s a K e y n e s i a n i t u s e n d i r i s u d a h l a m a d i k e n a l d i I n d o n e s i a . J a d i T D t i d a k m e m ­b e r i k a n i m p l i k a s i e m p i r i s b a m .

N a m u n d e m i k i a n , d e n g a n t e l a h d i p e r j e l a s m i c r o f o u n d a t i o n d a r i a n a l i s a K e y n e s i a n , m a k a d a p a t k i t a k e m b a n g k a n a n a l i s a m a k r o y a n g b e r s i f a t l e b i h disaggregate ( l e b i h b e r o r i e n t a s i m i k r o ) d e n g a n m e n g g u n a k a n t e k n i k a n a l i s a T D . . •

4 l i h a t G o r d o n ( 1 9 8 1 ) , B a n o ( 1 9 7 2 ) , d a n S t a n d a n H e U e r ( 1 9 7 8 ) u n t u k b e b e r a p a b i p o t e s a m e n g e n a i p r i c e rigidity. -,, . ,- ' n n M i M i y ' t v :

234 E K I , Vcd. X X X , No. 2, June 1982

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S e b a g a i c o n t o h , s u a t u c i r i p e n t i n g d a r i p e r e k o n o m i a n I n d o n e s i a a d a l a h b a h w a h a r g a i m p o r d a n e k s p o r b i s a d i a n g g a p e k s o g e n d a n t i d a k b e m b a h d a ­l a m j a n g k a p e n d e k . D i s a m p i n g i t u , d i k e t a h u i b a h w a t e r d a p a t b e r m a c a m -m a c a m " b a r r i e r s t o t r a d e " y a n g m e n i m b u l k a n q u a n t i t y c o n s t r a i n t s i m t u k p e m s a h a a n - p e m s a h a a n d a n k o n s u m e n - k o n s u m e n I n d o n e s i a . A p a b i l a h a r g a tradables d i p a s a r - p a s a r d o m e s t i k b i s a d i a n g g a p rigid d a l a m j a n g k a p e n d e k , m a k a s u a t u m o d e l T D d a p a t d i k e m b a n g k a n u n t u k m e m p e l a j a r i d a m p a k k e ­b i j a k s a n a a n fiskal d a n m o n e t e r . P e r k e m b a n g a n T D u n t u k e k o n o m i t e r b u k a a d a l a h s u a t u h a l b a m y a n g m a s i h m e m e r l u k a n b a n y a k p e n e l i t i a n . B e b e r a p a p e n u l i s t e l a h m e m u l a i p e n e l i t i a n i n i , a n t a r a l a i n . D i x i t ( 1 9 7 9 ) , P o r t e s ( 1 9 7 8 ) , C u d d i n g t o n ( 1 9 7 9 a , 1 9 7 9 b ) , d a n H a s a n ( 1 9 7 9 ) .

A k h i r n y a , p e r l u k a m i t e k a n k a n b a h w a t i d a k s e m u a s i t u a s i d i m a n a a s u m s i fixed price d a p a t d i t e r i m a a k a n m e n i m b u l k a n q u a n t i t y c o n s t r a i n t s . U m p a m a n y a , a p a b i l a f i x e d p r i c e t e r j a d i k a r e n a p r o g r a m s t a b i l i s a s i h a r g a d a r i p e m e r i n t a h ( c o n t o h : B U L O G ) , m a k a s e t i a p k e t i m p a n g a n p a s a r seluruh­nya a k a n d i s e r a p / d i t a m p u n g o l e h p e m e r i n t a h , s e h i n g p t i d a k a k a n a d a q u a n ­t i t y c o n s t r a i n t s , d a n d e n g a n d e m i k i a n a n a l i s a T D t i d a k b e r l a k u .

DAFTAR KEPUSTAKAAN

B a r r o , R . J . ( 1 9 7 2 ) , " A T h e o r y o f M o n o p o l i s t i c P r i c e A d j u s t m e n t " , R e v / e w of Economic Studies. ( 1 9 7 9 ) , " S e c o n d T h o u g h t s o n K e y n e s i a n E c o n o m i c s " , American Eco­nomic Review.

B e n a s s y , L P . ( 1 9 7 3 ) " D i s e q u i l i b r i u m T h e o r y " , P h . D . D i s s e r t a t i o n , U n i v e r s i t y o f C a l i f o r n i a , B e r k e l e y .

B l i n d e r , A . S . ( 1 9 8 1 ) , " I n v e n t o r i e s a n d t h e S t m c t u r e o f M a c r o M o d e l s " , American Economic Review.

B o e h m , V . , d a n L P . L e v i n e ( 1 9 7 6 ) , ' T e m p o r a r y E q u i l i b r i a W i t h Q u a n t i t y R a t i o n i n g " , C O R E D i s c u s s i o n P a p e r N o . 7 6 1 4 , C a t h o l i c U n i v e r s i t y o f L o u v a i n , B e l g i u m .

C u d d i n g t o n , L T . ( 1 9 7 9 a ) , " I m p o r t Q u o t a s a n d N o n - P r i c e R a t i o n i n g : A T w o -S e c t o r , F b c - P r i c e M o d e l " , m a n u s c r i p t , S t a n f o r d U n i v e r s i t y .

( 1 9 7 9 b ) , " F i s c a l a n d E x c h a n g e R a t e P o l i c i e s i n a F i x - P r i c e T r a d e M o ­d e l W i t h E x p o r t R a t i o n i n g " , M e m o r a n d u m N o . 2 3 3 , C e n t e r f o r R e ­s e a r c h i n E c o n o m i c G r o w t h , S t a n f o r d U n i v e r s i t y .

D i x i t , A . ( 1 9 7 9 ) , " T h e B a l a n c e o f T r a d e i n a M o d e l o f T e m p o r a r y E q u i l i ­b r i u m W i t h T a t i o n i n g " , Review of Economic Studies.

D r e z e , J . ( 1 9 7 5 ) , " E x i s t e n c e o f a n E q u i l i b r i u m u n d e r P r i c e R i g i d i t y a n d Q u a n t i t y R a t i o n i n g " , International Economic Review.

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G o r d o n , R . J . ( 1 9 8 1 ) , " O u t p u t F l u c t u a t i o n s a n d G r a d u a l P r i c e A d j u s t m e n t " , Journal of Economic Literature.

H a h n , F . H . ( 1 9 7 7 ) , " E x e r c i s e s i n C o n j e c t u r a l E q u i l i b r i a " , Scandinavian Journal of Economics.

H a s a n , I . ( 1 9 7 9 ) , " Q u a n t i t y S i g n a l s , B a r r i e r s t o T r a d e , a n d T h e M o n e t a r y A p p r o a c h t o t h e B a l a n c e o f P a y m e n t s " , m a n u s c r i p t . U n i v e r s i t y o f C a l i f o r n i a , B e r k e l e y .

H e l l e r , W . P . , d a n R . M . S t a r r ( 1 9 7 6 ) , " U n e m p l o y m e n t E q u i l i b r i u m w i t h R a ­t i o n a l E x p e c t a t i o n s " , I M S S W o r k i n g P a p e r N o . 6 6 , S t a n f o r d U n i v e r s i t y . H o n k a p o h j a , S . , d a n T . I t o ( 1 9 7 9 ) , " A S t o c h a s t i c A p p r o a c h t o D i s e q u i ­l i b r i u m M a c r o e c o n o m i c s " , T e c h n i c a l W o r k i n g P a p e r N o . 1 , N a t i o n a l B u r e a u o f E c o n o m i c R e s e a r c h .

P o r t e r , R . ( 1 9 7 8 ) , " I n t e r n a l a n d E x t e r n a l B a l a n c e i n a C e n t r a l l y P l a n n e d E c o ­n o m y " , m a k a l a h y a n g d i s a j i k a n p a d a C o n f e r e n c e o n t h e T r a n s m i s s i o n o f E c o n o m i c D i s t u r b a n c e s t o t h e S o v i e t U n i o n a n d E a s t e r n E u r o p e .

S t a r r , R . M . , d a n W . P . H e l l e r ( 1 9 7 8 ) , " E x p e c t a t i o n s a n d M a c i m i z i n g B e h a ­v i o r " , m a n u s c r i p t . U n i v e r s i t y o f C a l i f o r n i a , B e r k e l e y .

W i g n j o w i j o t o , H . ( 1 9 8 1 ) , " P e r k e m b a n g a n B a r u D a l a m T e o r i E k o n o m i M a k r o d a n I m p l i k a s i n y a b a g i P e n g e r t i a n E k o n o m i I n d o n e s i a " , E k o n o m i d a n K e u a n g a n I n d o n e s i a , V o l . X X X , N o . 2 , M a r e t 1 9 8 2 .

Jawaban Hartojo Wignjowijoto 1

P e n u l i s terterima k a s i h a t a s t a n g g a p a n I b r a h i m H a s a n u n t u k m e l e n g k a p i p e n i n j a u a n k a m i t e n t a n g T e o r i M a k r o D i s e q u i l i b r i u m ( T M D ) d e n g a n m e n g -g a r i s b a w a h i c i r i p o k o k T M D , y a i t u b a h w a s a n y a t r a n s a k s i k e g i a t a n e k o n o m i secara makro d a p a t t e r j a d i p a d a h a r g a - h a r g a n o n - W a l r a s i a n ( y a i t u h a r g a - h a r g a n o n - k l i r i n g ) , s e h i n g g a p e r l u p e n d e k a t a n F i x e d - P r i c e H i c k s i a n S y s t e m d e ­n g a n a s s u m s i h a r g a - h a r g a t i d a k b e r u b a h d a l a m j a n g k a p e n d e k d a n o l e h k a ­r e n a i t u " q u a n t i t y c o n s t r a i n t s " m e r u p a k a n h a m b a t a n e f f e k t i f ( b i n d i n g c o n s t r a i n t s ) b a g i p a r a p e l a k u e k o n o m i .

D i s i n i l e t a k n y a r a h a s i a i l m u e k o n o m i ( t r a d e s e c r e t ) , d i m a n a j i k a a d a k e s u l i t a n y a n g p e l i k , s e p e r t i h a l n y a d a l a m m e m e c a h k a n p e n e n t u a n h a r g a e q u i l i b r i u m ( e q u i l i b r i u m p r i c e d e t e r m i n a t i o n ) , maka ilmu ekonomi membuat assumsi b a h w a h a r g a d i a n g g a p " f i x e d " ( t i d a k b e r u b a h ) d a l a m j a n g k a p e n -

• d e k , " . . . k e m u d i a n d i c a r i " q u a n t i t i e s a d j u s t m e n t " d e n g a n c a r a " t a t o n n e -m e n t " s e p e r t i h a l n y a d a l a m " W a l r a s i a n M o d e l " . B e d a n y a , d a l a m N o n - W a l -

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r a s i a n b u k a n " t a t o n n e m e n t " d a l a m " p r i c e s " y a n g k i t a p e c a h k a n , m e l a i n k a n " t a t o n n e m e n t " d a l a m " q u a n t i t i e s " . . ." ( l i h a t m a k a l a h p e n u l i s , E K I , v o l u m e X X X , N o . 1 , M a r e t 1 9 8 2 , h a l a m a n 7 2 d a n 7 3 ) .

K e m u d i a n , I b r a h i m H a s a n m e l e n g k a p i p e n i n j a u a n k e p u s t a k a a n p e n u l i s , d e n g a n p e n y a j i a n D r e z e m o d e l ( d i m a n a " q u a n t i t y c o n s t r a i n t s " d i a n g g a p s e b a g a i faktor ekstem d i l u a r D r e z e m o d e l ) d a n B e n a s s y m o d e l ( d i m a n a q u a n t i t y c o n s t r a i n t s " d i a n g g a p s e b a g a i s a l a h s a t u faktor intern d i d a l a m B e n a s s y m o d e l ) . M o d e l y a n g t e r a k h i r i n i l a h y a n g m e n g h a s i l k a n p e m i k i r a n t e n t a n g b e r b a g a i m a c a m " r a t i o n i n g s c h m e m e " , ( l i h a t E K I , M a r e t 1 9 8 2 , h a l a m a n 7 4 ) .

D i s i n i I b r a h i m H a s a n m e n g e m u k a k a n a r a h p e r k e m b a n g a n T M D y a i t u d u a p e n d e k a t a n : g a m e t h e o r e t i c d a n s t o c h a s t i c ( p e n d e k a t a n b e r d a s a r " l a w s o f p r o b a b i l i t y " ) . S e l a n j u t n y a , I b r a h i m H a s a n m e n g e m u k a k a n e m p a t b u a h s u m ­b a n g a n T M D d a n t i g a k e l e m a h a n T M D ) .

D a r i k e e m p a t s u m b a n g a n t e r s e b u t , k a m i s e p e n d a p a t t e n t a n g a d a n y a p e n y e m p u r n a a n t e o r i e k o n o m i m a k r o a l a K e y n e s d e n g a n " c h o i c e - t h e o r e t i c f o u n d a t i o n " d i t i n g k a t e k o n o m i m i k r o a d a l a h s u m b a n g a n y a n g t e r b e s a r . S u m b a n g a n l a i n y a n g t i d a k k u r a n g p e n t i n g n y a y a i t u " . . . p e r a n a n quantity adjustment d a n quantity constraints d a l a m analisa empiris m e n j a d i l e b i h d i p e r h a t i k a n . . ." ( l i h a t p e n d a p a t I b r a h i m H a s a n , d e n g a n l e t a k m i r i n g p a d a

k a t a - k a t a q u a n t i t y a d j u s t m e n t d a n q u a n t i t y c o n s t r a n t s s e d a n g c e t a k m i r i n g p a d a k a t a a n a l i s a e m p i r i s d a r i p e n j a w a b ) .

K a l a u k i t a p e r h a t i k a n t a n g g a p a n I b r a h i m H a s a n t e n t a n g s u m b a n g a n T M D s e p e r t i d i s i t i r d i a t a s , m a k a k e d u a h a l p o k o k a n a l i s a T M D ( q u a n t i t y a d j u s t m e n t d a n q u a n t i t y c o n s t r a i n t s ) m e n j a d i f o k u s u t a m a d a l a m a n a l i s a e m p i r i s , t e r u t a m a d a l a m t a t a - e k o n o m i I n d o n e s i a , d i m a n a k i t a m e l i h a t b a n y a k k e s e m r a w u t a n l a l u U n t a s e k o n o m i ( a d a n y a " t r a f i c j a m " ) a t a u s e c a r a t e c h n i s , a d a n y a " q u a n t i t y a d j u s t m e n t " d a l a m b e b e r a p a s e k t o r e k o n o m i , k h u s u s n y a s e k t o r - s e k t o r y a n g p e n u h d e n g a n p e r a t u r a n y a n g b e r s i m p a n g s l u r ( o v e r c r o w d e d r e g u l a t e d s e c t o r s ) d a n s e k t o r - s e k t o r y a n g m e n d e k a t i p o s i s i m o n o p o l i ( l i h a t s e l a n j u t n y a E K I , M a r e t 1 9 8 2 , h a l a m a n 8 2 ) . P e n j e l a s a n p o k o k s e c a r a e m p i r i s y a i t u k a r e n a p e r a n a n t r a d i s i o n a l d a r i " p r i c e s " t e l a h d i k e b i r i , s e h i n g g a s e t i a p k e t i m p a n g a n a n t a r a p e n a w a r a n d a n p e r m i n t a a n d i -s e l e s a i k a n m e l a l u i " q u a n t i t y a d j u s t m e n t " . O l e h k a r e n a i t u , t a t a - e k o n o m i I n d o n e s i a m e n d a p a t j u l u k a n " h i g h t r a n s a c t i o n c o s t e c o n o m y " , k a r e n a t r a n ­s a k s i e k o n o m i d e n g a n " q u a n t i t y a d j u s t m e n t " r e l a t i f l e b i h m a h a l d a r i p a d a t r a n s a k s i e k o n o m i b e r d a s a r " p r i c e a d j u s t m e n t " .

I b r a h i m H a s a n k e m u d i a n m e n y a j i k a n k e l e m a h a n - k e l e m a h a n T M D , a n t a r a l a i n , t i d a k a d a p e n j e l a s a n b a g a i m a n a h a r g a t e r b e n t u k . H a l i n i j a n g a n k i ­t a l u p a k a n , b a h w a T M D membuat assumsi seolaholah harga "fixed" dalam

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jmgka pendek, k e m u d i a n T M D m e n j e l a s k a n p r o s e s p e n e n t u a n k e s e i m b a n g a n a n t a r a p e n a w a r a n d a n p e r m i n t a a n m e l a l u i " q u a n t i t y a d j u s t m e n t " ( T M D t i d a k m e m b i c a r a k a n p e n e n t u a n " p r i c e a d j u s t m e n t " ) .

M e n g e n a i k e l e m a h a n T M D t e n t a n g a d a n y a " s u p p l y m u l t i p l i e r " , y a n g t i ­d a k m e m b e r i k a n h a s i l y a n g s e c a r a i n t u i t i f d a p a t d i t e r i m a , y a i t u " . . . a p a k a h e k o n o m i b e r a d a p a d a t i t i k f u l l - e m p l o y m e n t d a n p e r m i n t a a n a g g r e g a t e m e ­n i n g k a t , m a k a p r o d u k s i m e n u r a n . . . " ( l i h a t p e n d a p a t I b r a h i m H a s a n ) , p e n u ­l i s b e r p e n d a p a t s e b a g a i b e r i k u t : D a l a m t a n g g a p a n d i a t a s , t i d a k j e l a s as ­s u m s i 4 % u n e m p l o y e m e n t a t a u 6 % u n e m p l o y m e n t . K a r e n a p e n u r u n a n p r o ­d u k s i y a n g d i s i t i r d i a t a s ( s e b a g a i r e s p o n s e a d a n y a k e n a i k a n a g g r e g a t e d e ­m a n d ) d a p a t d i s e b a b k a n o l e h b e r b a g a i h a l , m i s a l n y a , k a r e n a " m a r g i n a l p r u d u c t i v i t y " d a n f a k t o r - f a k t o r i n p u t m e n u r u n k a r e n a t e k n o l o g i d a n T a w o f d i m i n i s h i n g r e t u r n " d a r i b e b e r a p a f a k t o r i n p u t , k a r e n a a g g r e g a t e d e m a n d b e r u p a " n o t i o n a l d e m a n d " ( b u k a n e f f e c t i v e d e m a n d ) , k a r e n a s t r u k t u r i n f o r ­m a s i y a n g d i m i l i k i o l e h p r o d u s e n d a n k o n s u m e n , d i m a n a m a s i n g - m a s i n g t i d a k m e m b e r i k a n " g i n a l s " y a n g t e p a t . S e h i n g g a p r o d u s e n t i d a k d a p a t m e n g ­a m b i l k e p u t u s a n u n t u k m e m p r o d u k s i b a r a n g n y a d a n k a r e n a a d a n y a " q u a n t i ­t y a d j u s t m e n t " y a n g m e n d a h u l u i " p r i c e a d j u s t m e n t " . J a d i k o r e l a s i a n t a r a a g g r e g a t e d e m a n d d a n p r o d u k s i t i d a W a h s e s e d e r h a n a " p o s i t i v e o n e - t o o n e c o r r e s p o n d e n c e " .

T e n t a n g k e l e m a h a n T M D t i d a k m e n g a n a l i s a i n v e n t o r y d a l a m s t r u k t u r e k o n o m i m a k r o , p e n u l i s b e r p e n d a p a t b a h w a " i n v e n t o r y " i n i t e r m a s u k d a l a m " q u a n t i t y a d j u s t m e n t " k a r e n a p a d a h a k e k a t n y a a d a n y a k o m o d i t i i n v e n t o r y ( t e r m a s u k t e n a g a k e r j a y a i t u d a l a m b e n t u k u n e m p l o y m e n t ) i n i l a h c o n t o h k o n k r i t d a r i a d a n y a " q u a n t i t y a d j u s t m e n t " ( a d j u s t m e n t d a l a m b e n ­t u k " q u a n t i t y " , b u k a n " p r i c e s " ) .

A k h i r n y a a d a t i g a h a l y a n g p e n t i n g d a l a m k e s i m p u l a n t a n g g a p a n I b r a h u r i H a s a n , y a n g d a p a t d i j a w a b d e n g a n u r u t - u m t a n s e b a g a i b e r i k u t :

1 . K e s i m p u l a n b a h w a T M D ". . . t i d a k a d a i m p l i k a s i e m p i r i s b a r u . . ." ( l i h a t t a n g g a p a n I b r a h i m H a s a n , h a l a m a n 6 ) , a d a l a h t i d a k k o n s i s t e n d e n g a n u r a i a n t e n t a n g s u m b a n g a n T M D , ". . . m a k a p e r a n a n q u a n ­t i t y c o n s t r a i n t s d a l a m a n a l i s a e m p i r i s m e n j a d i l e b i h d i p e r h a t i k a n . . ." ( l i h a t t a n g g a p a n I b r a h i m H a s a n , h a l a m a n 5 ) . S i t i r a n d i a t a s b u k a n t u k a r p e n d a p a t a l a " d e b a t k u s i r " , m e l a i n k a n p e n u l i s i n g i n m e n e k a n -k a n b a h w a p e n y e m p u r n a a n p e n g e r t i a n t a t a - e k o n o m i I n d o n e s i a y a n g s e m r a w a u t i n i d a p a t d i s o r o t i d e n g a n a n a l i s a T M D y a i t u b a g a i m a n a c a r a -n y a m e m e c a h k a n k e s e m r a w u t a n i n i d a n f a k t o r - f a k t o r a p a y a n g m e n j a d i " q u a n t i t y c o n s t r a i n t s " d a n k e m u d i a n k e b i j a k s a n a a n - k e b i j a k s a n a a n e k o n o m i ( p o l i c y m e a s u r e s ) a p a y a n g p e r l u d i a m b i l . J a d i j i k a d i k a t a k a n t i d a k a d a i m p l i k a s i b a r u , m a k a m u n g k i n m a t a

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p e n g a m a t a n p e n u l i s m a s i h s e n s i t i f d i t e n g a h - t e n g a h p e n g a m a t a n e k o n o ­m i y a n g s u d a h j e n u h . U r a i a n i m p l i k a s i e m p i r i s t e l a h d i u r a i k a n d e n g a n s i n g k a t d i E K I , M a r e t 1 9 8 2 , h a l a m a n 8 2 - 8 5 , k h u s u s n y a d e n g a n m e m -p e r t i m b a n g k a o t i g a p e r s y a r a t a n p o k o k d a l a m p e m a k a i a n t e o r i u n t u k m e m b u a t i n t e r p r e t a s i t a t a - e k o n o m i I n d o n e s i a d e w a s a i n i d a n d i m a s a y a n g a k a n d a t a n g ( l i h a t E K I , M a r e t 1 9 8 2 , h a l a m a n 8 0 - 8 1 ) . D a r i t i g a p e r s y i r a t a n p o k o k p e m a k a i a n t e o r i e k o n o m i , m a k a " i s l a n d c o n f i g u r a t i o n " t a t a - e k o n o m i I n d o n e s i a s a n g a t m e m e r l u k a n p e n d e k a t a n a n a l i s a " d i s a g g r e g a t e " s e p e r t i d i k e m u k a k a n d a l a m T M D . |

2 . K e s i m p u l a n k e d u a T a n g g a p a n I b r a h i m H a s a n m e n g a t a k a n b a h w a ". . . d e n g a n t e l a h d i p e r j e l a s n y a " c h o i c e - t h e o r e t i c f o u n d a t i o n " d a r i a n a l i s a K e y n e s i a n , m a k a d a p a t k i t a k e m b a n g k a n a n a l i s a m a k r o y a n g l e b i h d i s a g g r e g a t e ( l e b i h b e r o r i e n t a s i m i k r o ) d e n g a n m e n g g u n a k a n t e c h n i k - t e c h n i k T M D y a n g t e l a h d i p a k a i . . ." ( T a n g g a p a n I b r a h i m H a ­s a n , h a l a m a n 6 ) . D i s i n i I b r a h i m H a s a n k e m b a l i m e n e r i m a " i m p l i k a s i e m p i r i s " T M D s e b a g a i k e r a n g k a a n a l i s a d a n i n t e r p r e t a s i t a t a - e k o n o m i I n d o n e s i a , k a r e n a t a t a - e k o n o m i I n d o n e s i a m e m i l i k i k a r a k t e r i s t i k p o k o k b e r -a n e k a r a g a m a t a u " i s l a n d c o n f i g u r a t i o n " t a d i , s e h i n g g a p r e f e r e n s i ( s c l e r a ) p e n d u d u k d i b e r b a g a i k e p u l a u a n t i d a k s e r a g a m d a n e n d o w ­m e n t d a e r a h a d a l a h b e r a n e k a i s i n y a . H a l i n i t e p a t u n t u k d i a n a l i s a d e ­n g a n c a r a a n a l i s a " d i s a g g r e g a t e " s e p e r t i d i k e m u k a k a n T M D . T a m b a h a n p u l a s t r u k t u r i n f o r m a s i y a n g r e l e v a n u n t u k p e n g a m b i l a n k e p u t u s a n d i I n d o n e s i a i n i m a s i h l e m a h , s e h i n g g a k e a n e k a r a g a m a n s c l e r a d a n e n d o w m e n t t i d a k d a p a t s e l u m h n y a t e r t a m p u n g d e n g a n t e p a t . O l e h k a r e n a i t u t i m b u l m a s a l a h " q u a n t i t y a d j u s t m e n t " a t a u " t r a f f i c j a m " d a l a m l a l u l i n t a s e k o n o m i I n d o n e s i a .

3 . A k h i r n y a k e s i m p u l a n d a l a m t a n g g a p a n I b r a h i m H a s a n m e m b e r i k a n d u a c o n t o h , y a n g k e d u a - d u a n y a m e n e r i m a " e m p i r i s b a m " T M D , y a i t u p e r t a m a , ". . . a d a n y a " b a r r i e r s o f t r a d e " y a n g m e n i m b u l k a n " q u a n t i ­t y c o n s t r a i n t s " u n t u k p e m s a h a a n - p e m s a h a a n d a n k o n s u m e n - k o n s u m e n I n d o n e s i a . . . " d a n k e d u a , y a i t u b u f f e r s t o c k p o l i c y ( B U L O G ) , d i m a ­n a " . . . t i d a k s e m u a s i t u a s i d i m a n a a s s u m s i " f i x e d p r i c e " d a p a t d i t e r i ­m a a k a n m e n i m b u l k a n p r o s e s " q u a n t i t y a d j u s t m e n t " . . . " C o n t o h y a n g t e r a k h i r m e n d o r o n g s u a t u k e s i m p u l a n b a h w a ". . . a p a b i l a

fixed p r i c e " t e r j a d i k a r e n a s u b s i d i p e m e r i n t a h ( b u f f e r s t o c k p o l i c y , B U L O G ) m a k a setiap ketidak seimbangan pasar seluruhnya akan diserap/ditampung oleh pemerintah, s e h i n g g a t i d a k a k a n t e r j a d i p r o s e s " q u a n t i t y a d j u s t m e n t s " , d a n d e n g a n d e m i k i a n a n a l i s a T M D t i d a k b e r l a k u . . ." ( l i h a t p e n d a p a t I b r a ­h i m H a s a n , k a l i m a t . t e r a k h i r ) .

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D i s i n i p e n u l i s m e m b e r i g a r i s b a w a h p a d a k a l i m a t " . . . m a k a s e t i a p k e ­t i d a k s e i m b a n g a n p a s a r s e l u r u h n y a a k a n d i s e r a p / d i t a m p u n g o l e h p e m e r i n ­t a h . . ." k a r e n a p e n t i n g s e k a l i i m p l i k a s i n y a . P e r t a m a , s a m p a i b e r a p a j a u h kapasitas pemerintah d a p a t m e n y e r a p / m e n a m p u n g " s e t i a p k e t i d a k s e i m b a n g ­a n p a s a r s e l u m h n y a " . A n d a i k a t a p e m e r i n t a h m a m p u m e n y e r a p s e l u r u h k e t i m p a n g a n p a s a r , m a k a d a l a m h a l i n i a k a n t e r j a d i p e m i n d a h a n k e g i a t a n e k o n o m i m e l a l u i m e k a n i s m e b i r o k r a s i .

D i s a m p i n g i t u t i m b u l " a r t i f i c i a l m a r k e t s " y a n g m a k i n m e n a m b a h b i a y a t r a n s a k s i ( N o t a b e n e : s a l a h s a t u s u m b e r " h i g h t r a n s a c t i o n c o s t " t a t a - e k o n o m i I n d o n e s i a ) . K e d u a , a d a n y a " w e l f a r e l o s s " d a l a m p r o s e s p e n a m p u n g a n / p e n y e -r a p a n k e t i m p a n g a n t a d i . S e p e r t i d i k e t a h u i h a m p i r s e m u a k e g i a t a n e k o n o m i d i I n d o n e s i a m e m i l i k i u n s u r s u b s i d i ( b a i k y a n g t e r b u k a m a u p u n " h i d d e n s u b s i d i e s " ) , s e h i n g g a s u b s i d i i n i " d i s t o r t " ( m e n g k a b u r k a n ) s i s t e m p e n e n t u a n h a r g a ( p r i c i n g s y s t e m ) d a l a m t a t a - e k o n o m i I n d o n e s i a . C o n t o h k o n t e m p o r e r , s u l i t d i t e m u k a n d a l a m s u a t u t a t a - e k o n o m i s e p e r t i I n d o n e s i a d i m a n a k e n a i k ­a n h a r g a B B M s e b a n y a k 6 0 % t i d a k t e r l i h a t d a m p a k n y a p a d a " g e n e r a l p r i c e l e v e l " , k a r e n a s i s t e m h a r g a s u d a h d e m i k i a n " p o l l u t e d " d e n g a n b e r b a g a i s u b ­s i d i d a n a r t i f i c i a l m a r k e t s .

J a w a t a n a t a s k e s i m p u l a n d a l a m T a n g g a p a n I b r a h i m H a s a n i n i m e n g a j a k k i t a p e m i k i r - p e m i k i r e k o n o m i I n d o n e s i a m o d e m u n t u k l e b i h m e n e l i t i l e b i h l a n j u t d a n p e n u l i s d e w a s a i n i s e d a n g m e n y i a p k a n s t u d i k a r a k t e r i s t i k p o k o k t a t a - e k o n o m i I n d o n e s i a d a n " p r i c i n g d e t e r m i n a t i o n s y s t e m " d i I n d o n e s i a y a n g m e m b a w a k i t a d a l a m k e a d a a n " d i s e q u i l i b r i u m " d a l a m a r t i " q u a n t i t y c o n s t r a i n t s " d a n " q u a n t i t y a d j u s t m e n t s " , s e h i n g g a t a r g e t k e b i j a k s a n a a n -k e b i j a k s a n a a n e k o n o m i t i d a k h a n y a d i a r a h k a n p a d a " p r i c e v e c t o r s " t e t a p i j u g a " q u a n t i t y ( t e r m a s u k q u a l i t y ) v e c t o r s " .

S e c a r a s i n g k a t i m p l i k a s i e m p i r i s T M D a d a l a h b e g i t u k a y a u n t u k d a p a t d i p a k a i d a l a m m e m b u a t a s s e s s m e n t t a t a - e k o n o m i I n d o n e s i a s e b a g a i u s a h a p e n d a h u l u a n m e n y u s u n k e b i j a k s a n a a n - k e b i j a k s a n a a n e k o n o m i d a l a m m e n a t a s t r u k t u r t a t a - e k o n o m i I n d o n e s i a d a l a m d a s a w a r s a 1 9 8 G - a n .

S e b a g a i p e n u t u p , p e r l u d i s i t i r " . . . y a n g p e r l u d i t e k a n k a n d i s i n i a d a l a h s o a l m e t h o d o l o g i , y a i t u a p a k a h p e m a k a i a n A n a l i s a D i s e q u i l i b r i u m a d a l a h c a r a b e r p i k i r y a n g l e b i h e f f i s i e n d a r i p a d a A n a l i s a E q u i l i b r i u m . . . " (EKI, v o l u m e X X X , N o . 1 , M a r e t 1 9 8 2 , h a l a m a n 7 2 ) .

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R A L A T

D a l a m " P e i k e m b a n g a n B a m d a l a m T e o r i E k o n o m i M a k i o d a n I m p l i k a s i n y a b a g i P e n g e r t i a n E k o n o m i I n d o n e s i a " , E k o n o m i d a n K e u a n g a n I n d o n e s i a , v o l u m e X X X , N o . 1 , M a r e t 1 9 8 2 , h a l a m a n 5 9 - 9 0 , t e r d a p a t b e b e r a p a k e s a l a h a n c e t a k y a n g p e r l u d i -p e r b a i l d s e b a g a i b e r i k u t :

1 . h a i a m a n b O , A b s t r a c t , p a r a g r a f k e d u a , b a r i s k e 3 : > " . . . t r a n s a c t i o n c o s t e c o n o m y . . . " , s e h a m s n y a " . . . t r a n s a c t i o n c o s t e c o n o m y . . . " b a r i s k e 4 : ". . . as e v i d e n c e d b y t h e i s l a n d c o n f i g u r a t i o n a t t i t u d e o f t h e i n d i v i d u a l i n t h e I n d o n e s i a s e t t i n g , . . . " S e h a m s n y a " . . . as e v i d e n c e d b y t h e i s l a n d c o n f i g u r a t i o n o f t h e I n d o n e s i a n e c o n o m y , s t u d i e s o n t h e m o t i v a t i o n a l a t t i t u d e o f t h e i n d i v i d u a l i n t h e I n d o n e s i a n s e t t i n g , . . . " .

2 . h a l a m a n 6 1 , f o o t n o t e 1 , b a r i s k e 4 : " . . . R o b e r t D e m a n d . . . " , s e h a m s n y a " . . . R o b e r t D o r f m a n . . . " ,

3 . h a l a m a n 6 ' 2 , f o o t n o t e 2 , b a r i s k e 3 : " T h e L a w o f S u p p l y a n d D e m a n d . . , s e h a m s n y a " T h e L a w o f S u p p l y a n d D e m a n d "

4 . h a l a m a n 6 2 , p a r a g r a f 3 , b a r i s k e 1 1 : " . . . d i b a g i m e n j a d i . . . " s e h a m s n y a " . . . t e r d i r i d a r i . . . "

5 . h a l a m a n 6 4 , p a r a g r a f 6 , b a r i s p e r t a m a : " . . . D a f t a r K e p u s t a k a a n d a n A p p e n d i x . . . " , s e h a m s n y a " . . . D a f t a r K e p u s t a k a a n . . . " . N o t a b e n e : A p p e n d i x t i d a k d i t e r b i t k a n .

6 . h a l a m a n 6 4 , p a r a g r a f 3 , b a r i s k e l i m a : " . . . a n t a r a l a i n . . . " s e h a m s n y a " . . . a n t a r a l a i n , . . . "

7 . h a l a m a n 6 6 , f o o t n o t e 4 , b a r i s 2 : " . . . p e n g e r t i a n k e t i d a k r e l a a n . . . " , s e h a m s n y a " " . . . p e n g e r t i a n k e s u k a r e l a a n . . . " .

8 . h a l a m a n 6 7 , p a r a g r a f 2 , b a r i s k e 4 : " W a l a u p u n p a d a p r i n s i p n y a . G l o w e r m e l e n g k a p i a n a l i s a P a t i n k i n . . ." sdiaiusnya " . . . ( s i m u l t a n e i t y ) . . . "

9 . h a l a m a n 6 7 , p a r a g r a f 3 , b a r i s 1 ; " . . . ( s i m u l t a n e i t y ) . . . " , s e h a m s n y a " . . . ( s i m u l t a n e i t y ) . . . "

1 0 . h a l a m a n 6 9 , f o o t n a t e 9 , b a r i s 2 : " . . . s a n g a t c e p a t i n f i n i t e l y f a s t ) . . . " s e h a m s n y a " . . . s a n g a t c e p a t ( i n f i n i t e l y f a s t ) . . . "

1 1 . h a l a m a n 7 0 , p a r a g r a f l , b a r i s 5 ; " . . . " t h e c o n o m y o f k n o w l e d g e " . . . " , s e h a m s n y a " . . . " t h e e c o n o m y o f k n o f l e d g e " . . . " b a r i s 9 : " . . . e f f l s s i e n . . . " s e h a m s n y a " . . . e f f i s i e n . . . "

1 2 . h a l a m a n 7 3 , p a r a g r a f 2 , b a r i s 5 d a n 7 : " . . . " a g r e g a t e c o n s t r a i n t " . . . " s e h a m s n y a " . . . " a g g r e g a t e c o n s t r a i n t " . . . "

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1 3 . h a l a m a n 7 4 , p a r a g r a f 4 , b a r i s t e r a k h i r : " . . . " a g r e g a t e e f f e c t i v e d e m a n d " s e h a r u s n y a " . . . " a g g r e g a t e e f f e c t i v e d e m a n d " . . . i r v • f

1 4 . h a l a m a n 7 4 , k e t e r a n g a n g a m b a r : " S u m b e r : . . . h a l a m a n " s e h a m s n y a " S u m b e r : . . . h a l a m a n 8 5

1 5 . h a l a m a n 7 6 , p a r a g r a f 2 , b a r i s 2 : " . . . H i l d e n b r a n d d a n H i d e n b r a n d " . . . " s e h a m s n y a " . . . H i l d e n b r a n d d a n H i l d e n b r a n d ' ' . . . "

2 0 . h a l a m a n 7 8 , p a r a g r a f 1 , b a r i s 1 : " . . . m e n g a r i s . . . " s e h a r u s n y a " m e n g g a r i s . . . "

2 1 . h a l a m a n 7 8 , p a r a g r a f 3 , b a r i s k e 5 : ". . . d a r i k e m u d i a n p r o d u s e n k e p a d a b u m h . d i c e t a k d o u b l e .

2 2 . h a ] a m a n 7 8 , p a r a g r a f 6 , b a r i s k e 3 : " . . . s e b a g i . . . " s e h a m s n y a " . . . s e b a g a i . . . " .

2 3 . h a l a m a n 8 1 , p a r a g r a f 1 , b a r i s k e 4 : " . . . m e n o l o a k . . . " s e h a r u s n y a ". . . m e n o l a k . . . " .

2 4 . h a l a m a n 8 1 , p a r a g r a f 2 , b a r i s k e 4 : " . . . f a c u m . . . " s e h a m s n y a ". . . v a c u m . . . " .

2 5 . h a l a m a n 8 2 , p a r a g r a f 2 , b a r i s k e 1 2 : ". . . " p r i c e s " t e l a h d i k e b i r i , s e h i n g g a t i m b u l v a r i a b e l b e n t u k " n o n - p r i c e s " t e l a h d i k e b i r i , . . . " . s e h a m s n y a " . . . " p r i c e s " t e l a h d i k e b i r i , . . . " .

2 6 . h a l a m a n 8 3 , p a r a g r a f 2 , b a r i s k e 8 . : " D i s a m p i n g i t u t i m b u l p o l a i n f o r m a s i y a n g s a n g a t " p e r s o n a l i z e d " , s e h a m s n y a d i h i -l a n g k a n .

2 7 . h a l a m a n 8 4 , p a r a g r a f 1 , b a r i s k e 2 : , . . . " . . . i d e e . . . " s e h a r u s n y a " . . . i d e . . . " . *,

2 8 . h a l a m a n 8 8 , p a r a g r a f 1 , b a r i s k e 4 : ... , " . . . t o e r i . . . " s e h a m s n y a " . . . t e o i i . . . " .

2 9 . h a l a m a n 8 8 , p a r a g r a f 2 , " b a r i s k e 1 0 : " . . . c o n s t r a n t . . . " s e h a r u s n y a " . . . c o n s t r a i n t . . . " . ,

3 0 . h a l a m a n 8 8 , p a r a g r a f 4 , b a r i s k e 3 : r r , " . . . : t o e r i . . . " s e h a m s n y a " . . .: t e o r i . . . " .

•' f j

. . . " s e h a m s n y a d i h i l a n g k a n k a r e n a

242 E K I , Vol . X X X , No. 2, June 1982