I am re-posting this question as a new topic. I'd like to ask some questions related to the multi-industry contribution approach. I am working on the economic impacts/contributions of firm operations. Data provided is employment, payroll and spending by industry categories. I am not sure I understand the multi-industry approach well enough to allocate the firm-specific data to the corresponding Implan industries. My questions are: 1) Should I be allocating spending levels to the firm-specific industries being affected in the events window in developing the contribution analysis? This is what the example instructs: "Using data from the Explore>Study Area Data grid, enter the total Output for each industry as Industry Sales in each Agriculture's event located in Setup Activities." Should I custom this total to firm specific sales? 2) And if so, should I also adjust(reduce) output in the Study Area Data by each industry spending amount or should I leave it as is? 3) If the above is not correct, how should I adjust the multi-industry contribution methodology to adequately reflect firm-specific spending among specified industries knowing that this firm is one of many within its IMPLAN industry code? 4) Would an economic impact approach (using only multipliers specific to industries affected by firm spending) be a more representative (conservative) approach to measuring firm contributions verses the full impact analysis or multi-industry contribution methods? Please point me in the right direction. Thanks, Lora
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