Hello, Sorry to be a bother but my boss wants more clarification on some of your study area data values. I'm looking at time series data for Arkansas from 2010-2014 and noticed that some of the agriculture sectors show negative values for OPI and tax on production and imports. I'm wondering if you could offer an explanation as to why this might occur, specifically in ag sectors? We are seeing highly negative tax values for grain farming in particular. Could this be due to subsidies? I also noticed that OPI values for oilseed farming and poultry production are markedly higher than the other ag sectors. I've read the definitions on your website for OPI, but I'm not sure why it would be consistently high for oilseed and poultry but show drastic fluctuations in the grain farming sector? See attached document.
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