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Université de Fribourg

Direct and Indirect Effects based on Changes-in-Changes

Huber, Martin ; Schelker, Mark ; Strittmatter, Anthony

In: Journal of Business and Economic Statistics, 2019, p. 1-60

We propose a novel approach for causal mediation analysis based on changesin- changes assumptions restricting unobserved heterogeneity over time. This allows disentangling the causal effect of a binary treatment on a continuous outcome into an indirect effect operating through a binary intermediate variable (called mediator) and a direct effect running via other causal mechanisms. We identify...

Université de Fribourg

Direct and indirect effects of training vouchers for the unemployed

Huber, Martin ; Lechner, Michael ; Strittmatter, Anthony

In: Journal of the Royal Statistical Society Series A, 2018, vol. 181, no. 2, p. 441-463

This paper evaluates the effects of awarding vouchers for vocational training on the employment outcomes of unemployed voucher recipients in Germany, as well as the potential mechanism through which they operate. This study assesses the direct effects of voucher assignment net of actual redemption, which may be driven by preference shaping and learning about possible human capital investments...

2 results 1