the total of 1,161 samples of cream examined in the survey by Barrow and Miller (1967) only 221 and 119 samples respectively satisfied these criteria. The findings described in the present paper suggest that closer attention should be paid to cream, and they emphasize the need for at least clear guidance for cream producers and retailers, and for the introduction of minimum bacteriological stan...

In this paper I attempt to show that mathematical economics is unreasonably ineffective. Unreasonable, because the mathematical assumptions are economically unwarranted; ineffective because the mathematical formalizations imply non-constructive and uncomputable structures. A reasonable and effective mathematization of economics entails Diophantine formalisms. These come with natural undecidabil...

A. Topics and Tools ............................................................................ 1 B. The Lucas Model in Historical Perspective............................................ 2 Keynesian macroeconomics in the 1960s ......................................................................... 2 Monetarism .....................................................................................