lecture jan - (macro)economics live from london · class notes- econ 3029 lecture 1 jan 12 2018 jan...
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CLASS NOTES - Econ 3029
LECTURE 1 Jan 12, 2018
Jan 1512018
Jan 22, 2018
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JAN 12, 2018
'
b=b (g)+ ) birth and mortality ratesm= mly)
MODEL :-D=
P( g) ) Technologys
Dynamics of population :P•CH=blyH)Pa) - mlyctt ) Pt|y(H=yCPt)Head
, slated, the system :b ,def. P%)=o tt⇐K#=o
Dynamics : P°f¥n=b( get - m¢g¢DRCH
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Note Discrete vs tontine .s time .×^ strainer
e-
Itttto ttezo Lezo t
Xt : Change in XE : X⇐s - Ye Duwktie
XCH chzsixct ) : hi Xtes - Xtso g-
=X' A-)lied =•xH )Fattspia
-mphP°Hg)
= fyjkftitiith ieate If . Population
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Jan 15,2018 Convergence To THE STEADY STATE
b. m^ b
←•
#}p%, > °
*=D1 .i i yil (t.pt#a%) - - - - - - - -got:-..
y$ yw) y
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Cy ) CONVERGENCE TO THE STEADY STATE
" ftp.:ifnot'÷=:
C.?
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INCREASCINBLRTHMFED⇐ad9}¥s°
b
¥in{ ( m,¥gP I Ip$* I (. Itp* . . . - -j . . - .H÷,
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p.gg€NCRw=3lrim
p.se#p* it:#
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TECHNICAL CHANGE
a•b
then.
⇐gas ( yp D I ii ipare - --9*7e€tgo y
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U NlFlEDGR=HtDL
AnutPnoBLen_ Max U=matzlogn| st . pn+@ < wbudget entrant rewrites
M= W - pn
=D Max µ = w - Pn + rlognFI du
go ⇐- Pt F=o
⇐ fn=±⇒
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Jan 22,2018 FOOD MARKET
Dead nth .tlsrpphyE=Ai(FYdefine Or : lf÷ Dear = supply
.hn#tHnT4Y'
FEI > nt=¥
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Laporta ' WA, ,=wtf
mt¥=h÷⇐
notified
.hu#.EM/
⇐ p+=M+ and
@=ft×L+Ate an@afn¥yty%subsh#a are
and@
=tp⇒meta is a sotutun
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Caraeteusakn of the balanced quart path "
gf . is austral ( b> def iitis a constant along a BGP )
gap = At' Hit is auntat
it mean > Are LFth
- AI, Ltd,
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Ht÷txe÷T.f+GM + (Hey ) = 1 C )+ Abu
, a BGP : ntt's constant and 9- is aarstaut⇒ gu = got = gl = n - 1
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then C) ⇒ Ctga )E×( ltgl )'h= 1
|HgA=(Kgi)¥-Rpeatfar (Hgn) ( see slides)
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wefmdb ( Hg;D , =(HgY,)"
i. dinamics of populationobtain
"
growth '
ltgtteibalanced IYTHFS'tgrowth#
i¥if÷f#t.rs'
i 1 ii
',Ii )Hglo
Hgh,
tightKg4 .
It , high = 0024