Charter schools have become a very popular instrument for reforming public schools, because they expand choices, facilitate local innovation, and provide incentives for the regular public schools while remaining under public control. Despite their conceptual appeal, evaluating their performance...

Empirical analysis of peer effects on student achievement has been open to question because of the difficulties of separating peer effects from other confounding influences. While most econometric attention has been directed at issues of simultaneous determination of peer interactions, we argue...

This study documents an investigation of how intermetropolitan differences in transit and highway service levels; as well as overall urban development patterns, affect auto ownership and use. Specifically, this paper presents models of the determinants of auto ownership and mode choice for...