Using instrumental variables approach this paper studies the effect of kindergarten starting age jointly with that of school starting age. We show that estimating the effect of kindergarten or school enrolment timing on later human capital outcomes separately, without taking their...

Using instrumental variables approach this paper studies the effect of kindergarten starting age jointly with that of school starting age. We show that estimating the effect of kindergarten or school enrolment timing on later human capital outcomes separately, without taking their...