Conservation policies influence both the amount of habitat loss and patterns of habitat fragmentation. This paper develops a “microlandscapes” approach that combines fragmentation measures with quasi-experimental evaluation methods in order to assess the effects of policy on habitat...

A half a century has passed since the landmark decision Brown v. Board of Education (1954) overturned the doctrine of separate but equal in the realm of public education. This chapter attempts to summarize what we know about the impact of Brown on enrollment patterns and academic and economic...

Divergent histories and changing country boundaries can lead to substantial within country variation in economic and social structures and inequality in economic and social outcomes. Given its changing borders and turbulent history, Poland provides a fertile setting for an examination of the...

This paper investigates the effects of California’s billion-dollar class-size-reduction program on student achievement. It uses year-to-year differences in class size generated by variation in enrollment and the state’s class-size-reduction program to identify both the direct effects of...

Divergent histories and changing country boundaries can lead to substantial within country variation in economic and social structures and inequality in economic and social outcomes. Given its changing borders and turbulent history, Poland provides a fertile setting for an examination of the...