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Researchers frequently test identifying assumptions in regression based research designs (which include e.g. instrumental variables or differences-in-differences models) by adding additional control variables on the righ...Read more...
Zhuan Pei, Jörn-Steffen Pischke and Hannes Schwandt
3 April 2019
Researchers frequently test identifying assumptions in regression based research designs (which include instrumental variables or difference-in-differences models) by adding additional control variables on the right hand...Read more...
10 April 2018