This paper develops a new method for estimating trends in the size of counterfeit markets. The method draws on principles of microeconomic theory and uses aggregated product-level data to estimate counterfeiting activities in various geographic markets. Using confidential firm unit forecasts and...

A search-theoretic model of the retail market for illegal drugs is developed. Trade occurs in bilateral, potentially long-lived matches between sellers and buyers. Buyers incur search costs when experimenting with a new seller. Moral hazard is present because buyers learn purity only after a...

A search-theoretic model of the retail market for illegal drugs is developed. The model produces testable implications regarding the effect of interdiction and enforcement on: (a) the distribution of purity offered in equilibrium; and (b) the duration of the relationships between buyers and...

This research analyzes the contemporaneous and intertemporal relationship between the demands for alcohol and marijuana by youths and young adults. A general theory of multi-commodity habit formation is developed and tested using data from the 1983-1984 waves of the National Longitudinal Survey...

This research analyzes the contemporaneous and intertemporal relationship between the demands for alcohol and marijuana by youths and young adults. A general theory of multi-commodity habit formation is developed and tested using data from the 1983-1984 waves of the National Longitudinal Survey...

This paper develops a new method for estimating trends in the size of counterfeit markets. The method draws on principles of microeconomic theory and uses aggregated product-level data to estimate counterfeiting activities in various geographic markets. Using confidential firm unit forecasts and...