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Explaining Charter School Effectiveness

By Joshua D. Angrist, Parag A. Pathak, and Christopher R. Walters

American Economic Journal: Applied Economics, October 2013

Lottery estimates suggest Massachusetts' urban charter schools boost achievement well beyond that of traditional urban public schools students, while nonurban charters reduce achievement from a higher baseline. The fact that urban charters are most eff...

Risk Protection, Service Use, and Health Outcomes under Colombia's Health Insurance Program for the Poor

By Grant Miller, Diana Pinto, and Marcos Vera-Hernández

American Economic Journal: Applied Economics, October 2013

Unexpected medical care spending imposes considerable financial risk on developing country households. Based on managed care models of health insurance in wealthy countries, Colombia's Régimen Subsidiado is a publicly financed insurance program target...

Employment, Wages, and Voter Turnout

By Kerwin Kofi Charles and Melvin Stephens Jr.

American Economic Journal: Applied Economics, October 2013

Using county-level data across several decades, and various OLS and TSLS models, we find that higher local wages and employment lower turnout in elections for governor, senator, US Congress and state House of Representatives, but have no effect on pres...

Understanding the Mechanisms through Which an Influential Early Childhood Program Boosted Adult Outcomes

By James Heckman, Rodrigo Pinto, and Peter Savelyev

American Economic Review, October 2013

A growing literature establishes that high quality early childhood interventions targeted toward disadvantaged children have substantial impacts on later life outcomes. Little is known about the mechanisms producing these impacts. This paper uses longi...

Does the Classic Microfinance Model Discourage Entrepreneurship among the Poor? Experimental Evidence from India

By Erica Field, Rohini Pande, John Papp, and Natalia Rigol

American Economic Review, October 2013

Do the repayment requirements of the classic microfinance contract inhibit investment in high-return but illiquid business opportunities among the poor? Using a field experiment, we compare the classic contract which requires that repayment begin immed...

Identifying Supply and Demand Elasticities of Agricultural Commodities: Implications for the US Ethanol Mandate

By Michael J. Roberts and Wolfram Schlenker

American Economic Review, October 2013

We present a new framework to identify supply elasticities of storable commodities where past shocks are used as exogenous price shifters. In the agricultural context, past yield shocks change inventory levels and futures prices of agricultural commodi...

Urban Accounting and Welfare

By Klaus Desmet and Esteban Rossi-Hansberg

American Economic Review, October 2013

We use a simple theory of a system of cities to decompose the determinants of the city size distribution into three main components: efficiency, amenities, and frictions. Higher efficiency and better amenities lead to larger cities but also to greater ...