This paper examines empirically the state-level impact of capital punishment on multiple murder rates for the period 1995–1999. In baseline tests—tests employing mixed panel data and using an estimation technique combining aspects of both fixed- and random-effects models—we show that...

This article examines systematically the growth of the English language from the year 252 ce through 1985. Using a data set collected from the CD-ROM version of the second edition of the Oxford English Dictionary, we characterize the time series of new words added to the language, by year,...

This article considers whether presale auction estimates are unbiased predictors of price when “no-sales” are considered utilizing a newly constructed sample of over 500 works by eight early twentieth-century American artists. Unbiased presale auction estimates in predicting price, while...

A general theoretical and empirical model of the impact of regulation on supply and demand (prices and quantities) is developed in this paper. The regulation of midwifery services—of certified nurse-midwives (CNMs)—relative to obstetricians (OBs) is analyzed within this framework....