I completed some work for Oregon Department of Forestry (ODF) 7-8 years ago using IMPLAN 2000 data set. We identified individual IMPLAN sectors as either Primary, Secondary, Support, or not Forest related. I was asked by ODF to update my work using the 2009 IMPLAN data set, which I have done. However, ODF wants to be able to compare the 2009 results with the 2000 results to see what changes have occurred. They noticed that the average wage (Wages + Proprietors’ Income / jobs) has changed substantially (greater than they think it should). Is there something different that is incorporated into the 2009 income data that was not included in 2000? I know we have SIC vs NAICs issues and IMPLAN has reduced the number of industries from 526 to 440. Is there a way to make the 2000 data more comparable to 2009?
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