2009 and earlier

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9 comments

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    jenny
    The output multiplier should always have a 1 in the Direct and values for the Indirect and Induced (unless the sector does not exist in the region, in which case all values will be 0). I checked a few state models for 2008, 2009, and 2010 and am not seeing any 0's in the Direct column, except where the sector does not exist in the region. If you could provide some more information as to which study area(s) you are referring to and any other details about your model set-up, we will gladly try to sort this out. Also, when you say you set a 440 aggregation, do you mean you leave the model unaggregated? And when you say you use the SAM's do you mean that you use the default SAM multipliers (i.e., Households as the only endogenized institutions)?
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    wkjolley
    WE have been using Virginia's and Oregon's multipliers. We use all of 440 industries and the default SAM. We use the 2009 data and earlier before and when there use to show a zero if there weren't any industries.
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    jenny
    If the industry does not exist in the study area data (i.e., Output = 0), then the multipliers will show 0 for direct, indirect, and induced (for all IMPLAN data sets). If it does exist, it will show a 1.0 for direct output and values for indirect and induced (with the exception of the administrative government payroll sectors, which will have 0 indirect). If you see otherwise please, tell us which sectors are causing you problems.
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    wkjolley
    Thank you for your help. For the Virginia Output multipliers, industries 433-436, in 2009 the data would show a zero for direct effect but in 2010, there is an one for direct effect. Does this mean that there is an effect in that industry for 2010? but there aren't any values in the induced and indirect effects. They are a zero.
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    jenny
    For the administrative government payroll sectors (437-440), the Indirect output multiplier should be zero since these "industries" do not purchase any intermediate inputs. However, the Direct output multiplier should be 1 and the Induced multiplier should be > 0. If this is not the case, please zip up your model and e-mail it to support@implan.com and we'll take a look at it.
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    wkjolley
    My main question is why with 2009 data it would give me a zero and in 2010 data give me a one for those industries.
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    DougO
    Because the industry didn't exist in 2009 and does in 2010? It's hard to speculate without knowing the sector, county/state and year of data that you are referring to. I am also assuming that you are using the Explore>Multipliers>Output Multipliers report.
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    DougO
    Ok, sorry, you mention sectors 433 to 436 for VA 2009 in a previous post. Those 4 sectors are commodities only and not an industry. There should be no multiplier associated with them as multipliers generated by IMPLAN are on a industry basis. I will look at the 2010.
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    DougO
    My 2010 VA state models show 0's across the row in sectors 433-436. It shouldn't have 1.0's for the direct. Please send in you impdb file (region model file), if it shows 1.0's, and I will see if I can figure out why that is happening.
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