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Comparison between IMPLAN and BEA RIMSII

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pat.wilson@kochps.com
We publish a "jobs study" annually and have historically purchased our RIMSII "multipliers" from the BEA.GOV web site. As we publish annually, concern would be in switching from BEA to IMPLAN, are the industry/sector multipliers significantly different from one another? For instance for Chemicals Mfg in Texas, most recent multipliers purchased from the BEA show 5.3932 (Jobs) and 3.2274 (earnings). We use these multipliers in our Jobs Study to derive "indirect" jobs and earnings. If we switch from BEA to IMPLAN, significant differences in the multipliers in a given state/industry as compared to what we used last year will look really strange (ex. in TX our direct jobs are currently 1321 and indirect jobs are 7124), if IMPLAN multipliers are significantly different, if someone compared indirect jobs in TX for Chemicals Mfg to our last published report, they's see a huge change with no explanation as to why. Can someone confirm that across sectors/states, the multipliers produced by IMPLAN align fairly well with those provided through BEA RIMSII?
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    IMPLAN Support
    Hi Patrick, Thank you for your post. I RIMS is IMPLAN's version of the BEA's RIMS II Multiplier system. We use the same general technique as the BEA and some of the same data but we use our proprietary Trade Flow Model in the derivation of our RPC values [attachment=651]h4a072f1.pdf[/attachment] . We certainly understand your concern of wanting to compare apples to apples, unfortunately, I RIMS and RIMS II would not be comparable; as the are two different systems with different assumptions and methodologies. Since Multipliers differ from region to region and from Industry to Industry, we would not be able to say how much of a variant the Multipliers from I RIMS are to RIMS II. I have included two articles that provide additional information on I RIMS: Explore I RIMS: http://implan.com/index.php?option=com_content&view=article&id=325&Itemid=1692
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