Justin Sandefur

Scaling Up What Works: Experimental Evidence on External Validity in Kenyan Education

G. Mwabu, Tessa Bold, Mwangi Kimenyi, 2013 .

The Political Economy of Bad Data: Evidence from African Survey and Administrative Statistics

A. Glassman, Justin Sandefur, J. Sandefur, 2015 .

Learning from Experiments When Context Matters

Lant Pritchett, L. Pritchett, Justin Sandefur, 2015 .