Has IMPLAN prepared anything explaining the reasons for differences between various impact models? This question was spurred by this [url=http://www.politifact.com/ohio/statements/2011/oct/26/steve-latourette/us-rep-steve-latourette-says-infrastructure-invest/]article [/url] which suggested that the job impacts of $1B infrastructure investment (in 2007) was 27,800 according to the Council of Economic Advisors. According to my 2015 National model (w/endogenized state/local spending, excl. investment) a generic $1B 'infrastructure' spend in Sector 58 is around 18,000, which is consistent with the findings of UMass researchers (as cited in the article). Additionally, I noticed that the State of CA's Department of Transportation generated impact results about 20% higher for general infrastructure than we see using our CA Statewide model. I appreciate your assistance.
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