Natural experiments in labour economics and beyond

The 2021 Nobel Prize in Economic Sciences was recently awarded to David Card of the University of California, Berkeley, ‘for his empirical contributions to labour economics’, and to Joshua Angrist of MIT and Guido Imbens of Stanford University ‘for their methodological contributions to the analysis of causal relationships’. How do economists view the work of the new laureates? Romesh Vaitilingam sums up the results of an expert panel survey run by The Initiative on Global Markets.