when was the first economic period when did the ndt period begin what is the function of cobb douglas when does econometrics use a multiple regression method when was cobb douglas econometrics developed what is the function of cobb douglas how do i test the cobb douglas production function who is j natane what is the ll in the cobb douglas model how to find cobb douglas model what is the method for estimating cobb-douglas's product vs. the method for estimation in econometrics? when was taiwan year of observation when is m1 in econometrics when was the years of observation for economics in taiwan __________ is the production function called cobb-douglas. what is the production function of the cobb-douglas curve used for what are the methods used for using cobb douglas when do cobb douglas model when do you use fisher statistic when do you think the economic cycle will be the same when interpreting a multiple regression model