A notion of cognitive uncertainty is introduced as an agent's uncertainty about the validity of the results of his own information processing. In order to analyze this notion, a formal model of the agent's information processing is presented. It is shown how cognitive uncertainty may prevent a...

Spending limits are an important rule in the electoral game. Critics of limits claim that incumbents write these rules to keep down promising challengers. Their arguments are seductive but do not stand on a firm empirical base. The data seem quite eager to support or reject the critics' view,...

Meta-rules, or rules for making rules, determine the costs of innovation and thus the pace of economic growth. Adapting rules to a changing economic environment through explicit, well-designed meta-rules makes economic growth quicker, less painful, and more certain than adapting rules through...