In this paper we consider meta-economic principles, those principles which underscore the theoretical thinking of economics. Meta-economic principles are different from laws; they relate to the principles of theory construction, to the assumptions which are implicit in theory, to the constraints...

A simple technique is proposed for increasing the asymptotic efficiency of tests of non-nested hypotheses. The principle is to consider the asymptotic regression of one hypothesis test on another. Under certain conditions this produces a test with a smaller variance under the null hypothesis and...