Getting smaller results on new software

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4 comments

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    IMPLAN Support
    Hi Dan! Thank you for your Forum Post. So that we can compare the 2010 Model to the 2014, would you mind sending to us the 2010 Model? You can email it to info@implan.com As for the 2014 Model, could you send in your UserName and Password for us to view the Model. Thanks
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    IMPLAN Support
    Hi Dan! Thank you for sending in your 2010 Data Model and the access information for your 2014 Model in IMPLAN Online. Even though both Models Activities are in the 2013 Event Year, since they are different base year data's (2010 vs 2014) they will yield different results. The year of the data set reflects how the economy behaved that particular year. To compare the IMPLAN Pro version to the IMPLAN Online version, I recommend building a 2010 Model in your IMPLAN Online account with the same Inputs. This should result in similar results. I hope that this helps!
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    danmartin@oxfordeconomics
    The online 2010 model does indeed yield identical results, which rules out a software issue, but I guess my question was really why such a large difference. Of course a different base year won't produce identical results, but is there intuition for why it's so much lower? I found part of the answer myself: the process I was using to crosswalk the old to the new sectoring (in Excel) wasn't working right, so even though the totals were right, the sectoring was still off. I fixed that, and now the new (i.e. 2014 base year as opposed to 2010) results are *only* 4% lower, not 13%. I guess that's close enough to be pretty reasonable; still, I wish I understood better if there's a simple reason why we'd expect these impacts to be lower. I guess I could mention that the spend scenario was built off of personal consumption expenditure tables, by way of context. Anyway, thanks for your help.
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    IMPLAN Support
    Hi Dan. In comparing the 2010 Pro Model to the 2010 Online Model; it looks as if your Event Inputs are not identical and the Sum of Event Value is different. There should not be a variance of Results when the two studies are a identical match. There were some decent-sized changes between 2010 and 2014: new BEA Benchmark, new Census of Agriculture, and new Decennial Census during that period, plus 4 years of incremental methodology improvements. If helpful, here is a link to the Release Notes: http://implan.com/index.php?option=com_content&view=article&id=399 Thanks!

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