www.bea.gov rims ii regional input-output modeling system zoë o. ambargis bea/pnreap/university of...
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www.bea.gov
RIMS IIRegional Input-Output Modeling
System
Zoë O. AmbargisBEA/PNREAP/University of Nevada Regional Economic
WorkshopReno, NV
September 29, 2009
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What is RIMS II?
▪ Input-output model developed by the BEA in the mid 1970’s
▪ Incorporates linkages among industries in a regional economy
▪Best suited for analyzing the impacts of small changes in a regional economy
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RIMS II Has Been Used to Analyze a Variety of Projects
▪ Opening and closing military bases▪ Changes in tourism▪ New energy facilities▪ Construction of sports facilities▪ New retail establishments▪ New airports or port facilities▪ Opening and closing manufacturing
plants▪ Contribution of universities and
hospitals
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Framing Your Analysis
▪What is the project/issue being studied?
▪What is the change?▪What is the magnitude of the
change?▪What is the timing?▪Which industries are affected?▪What is the affected region?
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Ordering RIMS II Multipliers
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Type I and Type II Multipliers
▪Type I multipliers Industry impacts only Total impact = direct + indirect
▪Type II multipliers Industry impacts and household
expenditure impacts Total impact = direct + indirect +
induced More commonly used than Type I
multipliers
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Annual and Benchmark Series
▪Annual series 2006 national annual I-O data and
2006 regional data More current, less detailed 60 aggregate industries
▪Benchmark series 1997 national benchmark I-O data and
2006 regional data More detailed, less current 473 detailed and 60 aggregate
industries
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Application Example 1
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RIMS II Multipliers
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Calculating Impacts Using Type II
Final-Demand Multipliers
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Accessing Your Multipliers
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Multiplier Table 1.5
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Comparison of Type I and Type II Impacts
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Application Example 2
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Calculating Impacts Using Type II Direct-Effect
Multipliers
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Multiplier Table 1.5
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Common Mistakes
▪ Defining the study area incorrectly▪ Averaging multipliers▪ Treating employment impacts as FTE impacts▪ Not converting purchasers’ values to
producers’ values▪ Treating changes in intermediate use as final-
demand changes▪ Not considering the net impact▪ Using multipliers for “Other government
enterprises” to estimate impacts of government
▪ Treating output impacts as Gross Domestic Product (GDP) impacts
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2002 Benchmark Update
▪RIMS II multipliers will be based on 2002 national benchmark I-O data 2007 regional data
▪Dimensions of tables will change 406 detailed industries (compared to
473) 62 aggregate industries (compared to
60) 21 row industries (compared to 20)
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Thank You
Zoë AmbargisBecca Bess
Hope FranklinThomas McComb
Web site: www.bea.gov/regional/rims/Phone: 202-606-5343
Fax: 202-606-5321E-mail: [email protected]