Analysis of twins / Sonia Bhalotra (University of Warwick, CAGE, CEPR and IZA), Damian Clarke (University of Chile, MIPP, CAGE and IZA) ; IZA Institute of Labor Economics
The occurrence of twin births has been widely used as a natural experiment. With a focus upon the use of twin births for identification of causal effects in economics, this chapter provides a critical review of methods and results.