A model of the optimal speed limit is developed which explicitly recognizes the role of average speed, speed variance, and the level of enforcement. An unusual result emerges, namely that a higher speed limit may be optimal when reducing the variance in highway speeds reduces accident externalities

Galles and Sexton (1998) showed that California state and local revenues exceeded their previous real per capita levels as did the sum of property taxes plus charges and miscellaneous revenues within a decade after Proposition 13 passed, and concluded that Proposition 13 was only temporarily...

We describe how to usefully incorporate inventory holding behavior into supply and demand as usually presented in undergraduate economics courses. The approach taken adds considerable realism that will appeal to certain students of economics