“…We use this identification structure to generate a sample of graduates who were treated by the Biagi Law and experienced the new training scheme. Furthermore, as the introduction of the new apprenticeship is an independent event with respect to productive sectors and regions implementing the contract (Cappellari et al.,
2012; d'Agostino et al.,
2018), we can extend the procedure proposed by Wooldridge (2010) and estimate the following equation:
where
is a dummy variable that represents whether the employee was treated by the Biagi Law during apprenticeship. To estimate Equation (3), in line with Fitzenberger et al.…”