We study a set of hypothetical reforms of child benefits in Germany, using a static tax-benefit microsimulation model augmented with endogenous labour supply and take-up choices (IAB-MSM). We distinguish between a reform of the universal non-means-tested child benefit, a reform of the...

The paper discusses the applicability of optimal taxation theory to source-based capital incomes when significant tax evasion is observed. Without tax evasion a modified Ramsey Rule may reduce distortions brought by international capital mobility, leading to levying differentiated tax rates in...

A principal-agent multitasking model is used to explore the effects of different tax schemes on innovation in a pure knowledge economy. Corporate taxes and labor income taxes can affect both the firm owner’s and the employee’s incentives to commit to innovative tasks, when the former...

A temporary change in pay to employed inventors around the time of patent application has been observed in a number of countries. A theoretical model is here developed to provide an explanation to said findings based on the idea that inventors may be able to use the knowledge previously...

We study a market with entrepreneurial and workers entry where both entrepreneurs' abilities and workers' qualities are private information. We develop an Agent-Based Computable model to mimic the mechanisms described in a previous analytical model (Boadway and Sato 2011). Then, we introduce the...