There is an ongoing debate in the U.S. among policymakers and the courts concerning the practical effects of state investment tax incentives. However, this debate often suffers from a lack of clear information on the extent of such incentives among states and how these incentives have evolved...

In this paper, I exploit the cross-sectional and time-series variation in R&D tax credits, and in turn the user cost of R&D, available from U.S. states between 1981-2002 to estimate the elasticity of private R&D with respect to both the within-state (internal) user cost and the out-of-state...

This paper provides an empirical analysis of the determination of capital tax policy by U.S. states based on new panel data, a new econometric technique, and a new theoretical model. The analysis is undertaken with a panel data set covering all 48 contiguous states for the period 1969 to 2004...

This paper empirically assesses the theory of interpersonal income comparison using a unique data set on suicide deaths in the United States. We treat suicide as a choice variable, conditional on exogenous risk factors, reflecting one's assessment of current and expected future utility. Using...