This paper investigates the impact of tax reforms on capital accumulation and welfare in both a model without habits (benchmark model) and a model with habits. In the benchmark model, the examined tax reforms generally lead to higher welfare. In contrast, in the model with habits the same tax...

This paper shows that the welfare dominance of ad valorem over unit taxes under imperfect competition, extends to the Dixit-Stiglitz framework with differentiated products, entry and love of variety. This contrasts against findings by Anderson et al. (J Public Econ, 2001) made in a similar...

We quantify marginal excess burden, defined as the change in deadweight loss for an additional dollar of tax revenue, for different taxes. We use a dynamic general equilibrium, overlapping generations model featured with heterogeneous agents and a realistic structure of corporate finance and...

In recent decades, market power has increased substantially, according to multiple measures that describe industry concentration, mark-ups, and business profitability. While market power can generate benefits, it also raises vexing policy concerns, including the potential for adverse effects on...