Showing 51 - 57 of 57 results
Working Papers

The Persistence of Teacher-Induced Learning Gains

February 1, 2009
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Brian Jacob, Lars Lefgren, David Sims
Educational interventions are often narrowly targeted and temporary, and evaluations often focus on the short-run impacts of the intervention. Insofar as the positive effects of educational interventions fadeout over time, however, such assessments...
Working Papers

The Effect of Gun Shows on Gun-Related Deaths: Evidence from California and Texas

February 1, 2009
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Brian Jacob, Mark Duggan, and Randi Hjalmarsson
Thousands of gun shows take place in the U.S. each year. Gun control advocates argue that because sales at gun shows are much less regulated than other sales, such shows make it easier for potential criminals to obtain a gun. Similarly, one might be...