We propose a generalization of random coefficients models, in which the regression model is an unknown function of a vector of regressors, each of which is multiplied by an unobserved error. We also investigate a more restrictive model which is additive (or additive with interactions) in unknown...

This paper discusses twenty five methodological issues covering selected areas of both micro and macroeconomics. Included on the micro side are issues related to modelling the price system, assessing its efficiency, competing models of competition, modelling technological change and economic...