Marijuana is the most commonly used illicit substance world-wide. Marijuana use is especially prevalent among college and university students and has been associated with both positive and negative well-being. The present study investigated the relationships between the frequency of marijuana...

The purpose of this article is to measure the efficiency of pharmaceutical firms and identify their determinants using Korean and American samples from 1992 to 2004. We document some stylized facts in the patterns and sources of efficiency change in Korean and American pharmaceutical firms. The...

Using 20 years of data, we derive a pricing model for timberland market values. We examine the relationship between lumber futures, capitalization rates, anticipated inflation, anticipated construction and timberland value. Using an ordinary least squares regression model and Johansen’s...