Following an influential article by Angrist and Krueger (1992) on two-sample instrumental variables (TSIV) estimation, numerous empirical researchers have applied a computationally convenient two-samp
In many social science experiments, subjects often interact with each other and as a result one unit's treatment influences the outcome of another unit. Over the last decade, a significant progress ha
JoREP 2.0 is a unique database on European trans-national joint R&D programmes. It stores raw panel data on joint R&D programmes and a basic set of descriptors of agencies participating to the progra