ANNIVERSARY 50 THE JOURNAL OF HUMAN RESOURCESCES TH VOLUME 50, NUMBER 2 SPRING 2015 IN THIS ISSUE Symposium on Empirical Methods Gary Solon, Steven J. Haider, What Are We Weighting For? ...................................................301 and Jeff rey M. Wooldridge A. Colin Cameron A Practitioner’s Guide to Cluster-Robust Inference ................317 and Douglas L. Miller Guido W. Imbens Matching Methods in Practice: Th ree Examples......................374 Jeff rey M. Wooldridge Control Function Methods in Applied Econometrics .............420 Articles Norbert Schady, Jere Behrman, Wealth Gradients in Early Childhood Cognitive Maria Caridad Araujo, Development in Five Latin American Countries .....................446 Rodrigo Azuero, Raquel Bernal, David Bravo, Florencia Lopez-Boo, Karen Macours, Daniela Marshall, Christina Paxson, and Renos Vakis Marta Rubio-Codina, Th e Socioeconomic Gradient of Child Development: Orazio Attanasio, Cross-Sectional Evidence from Children 6–42 Months Costas Meghir, Natalia Varela, in Bogota ....................................................................................464 and Sally Grantham-McGregor Lisa Cameron Risk-Taking Behavior in the Wake of Natural Disasters ........484 and Manisha Shah Ariel BenYishay All-Cause Mortality Reductions from Measles Catch-up and Keith Kranker Campaigns in Africa ..................................................................516 GetGet JHRJHR OnlineOnline The Journal of Human Resources is available on our website, on Project MUSE, and the complete back run is on JSTOR. 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William Olney Remittances and the Wage Impact of Immigration George Borjas Prizes and Productivity: and Kirk Doran How Winning the Fields Medal Aff ects Scientifi c Outcomes Arndt Reichert Obesity, Weight Loss, and Employment Prospects: Evidence from a Randomized Trial Stephen Shore Changes in the Distribution of Earnings and Shane Jensen Volatility PUBLISHED BY THE UNIVERSITY OF WISCONSIN PRESS JHR Editorial Board Heather Royer of the University of California, The editors of the Journal of Human Santa Barbara; Diane Schanzenbach of Resources intend to add to the JHR’s Northwestern University; Alessandro Tarozzi decades of accomplishment by offering of the Universitat Pompeu Fabra; Tom Vogl of rigorous and policy-relevant articles. The Princeton University. Editor is Sandra E. Black of the University of Texas, Austin; The Board of Editors On the Web includes: Elizabeth U. 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