In: Public Choice, 2007, vol. 130, p. 79-98
Controlling government is a primary focus of the politico-economic literature. Recently, various political institutions have been analyzed from this perspective, most importantly balanced budget rules, fiscal federalism, and direct democracy. However, one type of institution has been neglected so far: elected competitors to the government. Such institutional competition between the government...
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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...
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In: Journal of Business and Economic Statistics, 2019, vol. 37, no. 4, p. 710-720
We propose a difference-in-differences approach for disentangling a total treatment effect within specific subpopulations into a direct effect and an indirect effect operating through a binary mediating variable. Random treatment assignment along with specific common trend and effect homogeneity assumptions identify the direct effects on the always and never takers, whose mediator is not...
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Thèse de doctorat : Université de Fribourg, 2020.
This dissertation consists of four independent papers on economically relevant topics that cap- tured my attention because of personal background and professional experiences, such as coming from Ukraine, being an educated woman, living in a bilingual Swiss region and observing people delaying their work. Throughout my papers, I empirically analyze the determinants of individual attitudes ...
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In: Journal of Comparative Economics, 2010, vol. 38, no. 4, p. 357-380
Various political institutions designed to control the government have been analyzed in the academic literature. However, an important institution has been neglected so far: independent auditing institutions with an extended mandate to audit the budget draft and individual policy proposals. We argue that such auditors improve transparency and provide essential information on the impact of policy...
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(Working Papers SES ; 514)
Causal mediation analysis aims at disentangling a treatment effect into an indirect mechanism operating through an intermediate outcome or mediator, as well as the direct effect of the treatment on the outcome of interest. However, the evaluation of direct and indirect effects is frequently complicated by non-ignorable selection into the treatment and/or mediator, even after controlling for...
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(Working Papers SES ; 508)
We propose a novel approach for causal mediation analysis based on changes-in- 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...
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(Working Papers SES ; 500)
Mediation analysis aims at evaluating the causal mechanisms through which a treatment or intervention affects an outcome of interest. The goal is to disentangle the total treatment effect into an indirect effect operating through one or several observed intermediate variables, the so-called mediators, as well as a direct effect reflecting any impact not captured by the observed mediator(s)....
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In: Journal of the Royal Statistical Society Series B, 2017, vol. 79, no. 5, p. 1645-1666
The paper discusses the non‐parametric identification of causal direct and indirect effects of a binary treatment based on instrumental variables. We identify the indirect effect, which operates through a mediator (i.e. intermediate variable) that is situated on the causal path between the treatment and the outcome, as well as the unmediated direct effect of the treatment by using distinct...
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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...
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