A bootstrap test for instrument validity in heterogeneous treatment effect models
2014 ◽
Vol 104
(5)
◽
pp. 212-217
◽
2012 ◽
Vol 22
(5)
◽
pp. 1037-1050
◽
2015 ◽
Vol 97
(5)
◽
pp. 1070-1080
◽