A dynastic cycle is a periodic alternation of society between despotism and anarchy. In a society of farmers, rulers, and bandits, population growth simultaneously impoverishes farmers and reduces the ruler's surplus per head. Society evolves into a despotic stationary state or into a dynastic...

To test a model of rational addiction, the authors examine whether lower past and future prices for cigarettes raise current cigarette consumption. The empirical results tend to support the implication of addictive behavior that cross-price effects are negative and that long-run responses exceed...