The productivity of (human) information processing as an economicactivity is a question that is raising some interest. Using Marschak’s evaluationframework, Radner and Stiglitz have shown that, under certain conditions,the production function of this activity has increasingmarginal returns in...

Decision making in the rational choice domain requires the decision problem at hand to appear in closed form. Closed form here means that it is based on a well defined set of alternative courses of action (acts) to choose from that for their part are connected to well defined, probably uncertain...