Where can I find the Sub Sector data?

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    IMPLAN Support
    Hi Allen, While the Sector descriptions and search will show all the different 6 digit NAICS codes that report into those Sectors, we actually only have one spending pattern that represents all of those NAICS descriptions. This is based on BEA's classification/decision that the general spending across all these NAICS descriptions is similar enough for them to be one spending pattern or shopping list of goods and services for operations. Because we only have these single spending patterns per Sector, there is no way to isolate a subsector out or Sector in IMPLAN, without having some external knowledge of the Sector. Ideally in this circumstance you would start with your own line-item budget and create a custom spending pattern for this purpose. However, most users don't have access to that level of data. One alternative, is that you remove purchases from a spending pattern using Analysis-by-Parts method. With this method you can import Sector 10 through the Activity Options>Import> Industry Spending Pattern remove the purchases you know they don't make for example, we would guess, but don't know that they probably don't buy a lot of cattle and poultry. You can then normalize the spending pattern through Events Options> Change All> Normalize Events, and enter in the goods and services budget value as Activity Level. Please note you will want to leave all your Local Purchase Percentage fields as they report when you import the spending pattern. You can then run a Labor Income Change for the labor components of the Activity. If you don't have a split for these you can certainly use the Study Area Data to create relative proportions as estimates. [url=https://www.google.com/url?q=http://implan.com/v4/index.php%3Foption%3Dcom_multicategories%26view%3Darticle%26id%3D730:case-study-analysis-by-parts%26Itemid%3D71&sa=U&ei=jn96UtiEOIn7qAGNn4CQAg&ved=0CA0QFjAF&client=internal-uds-cse&usg=AFQjCNHQe8QPH-QtkQjppRv_N-hexiDJTA]Here is a case study on Analysis-by-Parts [/url]that can help you to familiarize yourself with the method, and please let us know if you have any additional questions.
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    sleepsheep
    Hi IMPLAN, Thanks for the reply. I really grateful about that. I carefully read the Analysis By Part method, and still have some confusionin my head. 1,Animal aquaculture (belongs to sector 10) 2,Clam production (belongs to sector 14) 3,Fish farms, shellfish (belongs to sector 14) 4,Hatcheries, shellfish (belongs to sector 14) 5,Cultured pearl production (belongs to sector 14) 6,Mollusc production, farm raising (belongs to sector 61) 7,Sea plant agriculture (belongs to sector 10) 8,Oyster production, farm raising(belongs to sector 14) 9,Shellfish hatcheries (belongs to sector 14) 10,Seaweed farming (belongs to sector 10) What I want to do is assess the economic value of the aquaculture industry in CT based on the sub-sectors identified above. Is this feasible using IMPLAN? and if it feasible, what approach should I use? Thank you very much! Allen
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    IMPLAN Support
    Hi Allen, The only way that you will be able to split these apart is as we previously described. You would have to have some knowledge of how Animal aquaculture, Sea plant agriculture and Seaweed farming differ in their input structure from Sector 10 in general and also from each other. The same would be true for separating "Clam production" from "Fish farms, shellfish" from "Hatcheries, shellfish" from "Cultured pearl production" from "Oyster production, farm raising" from "Shellfish hatcheries". We would suspect however that while their may be some differences between the inputs for Sectors 10, 14 from the these NAICS descriptions, relative to one another these will be very similar input patterns some of the included descriptions in you list are almost identical (e.g. "Hatcheries, shellfish"; "Shellfish hatcheries". Likely the best way to do this, if you don't have access to a budget from the hatcheries and farms is to eliminate the purchases that you can be sure they don't incorporate in their operations and then use the Analysis-by-Parts technique. One other way that you might be able to get some separation between these individual categories would be to see if you can find data that can help you to discern if there are different labor rates for these different types of Activity. Changes to labor rates can be made in an Industry Change Activity and don't require the Analysis-by-Parts method. Unfortunately, unless you know more than what BEA provides us as the general recipe for each Sector's production you will have to use that Sector as a proxy for the type of Activity you are looking to model. We would not recommend looking at Sector 61 unless you are also trying show food processing, as this is a food processing Sector, as opposed to Agricultural producer. We apologize that there is no quick solution for this problem. --Implan Support Staff
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