Papay, John P.; Willett, John B.; Murnane, Richard J. - In: Journal of Econometrics 161 (2011) 2, pp. 203-207
The recent scholarly attention to the regression-discontinuity design has focused exclusively on the application of a single assignment variable. In many settings, however, exogenously imposed cutoffs on several assignment variables define a set of different treatments. In this paper, we show...