Recent empirical studies on regional economic growth have extended regressions on convergence to account for externalities and spatial dependencies. Most of these studies, however, set the focus on whether regional output levels display convergence trends and consequently tend to ignore...

Over the previous two decades, many OECD countries have lowered the degree of progressivity in their tax structures. In this paper, I investigate labour tax progression in a world characterised by a segmented labour market where the higher-paying jobs are rationed due to (i) oligopolistic market...