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    Is it possible to regress a log-log (or log-linear) equation where the data values can be negative (such as growth rates)?
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    i have never seen log(growth) only log(gdp) which is used to see growth on a graph.

    i dont know for sure but just mathematically i dont think that even works.
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    You can't take a log of a negative number, mathematically, so as far I can understand I don't think that would work.
 
 
 
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