Export taxes can provide additional welfare to large exporters, an argument for interventions in manyprimary commodity exporting countries. We investigate the benefits of export taxation for Côted'Ivoire, the dominant exporter of cocoa. Where many applications treat the formula for...

Export taxes can provide additional welfare to large exporters, an argument for interventions in many primary commodity exporting countries. We investigate the benefits of export taxation for Côte d'Ivoire, the dominant exporter of cocoa. Where many applications treat the formula for optimal...

This paper models the relationship between growth, technology-lifetime, entry, and competition in a vintage-knowledge model of endogenous growth and perfect competition. The model has a unique steady state REE equilibrium. Variations of R&D-efficiency lead to a negative relation between growth...

A philosophical problem for studies of inefficiency of firms is how to rationalise the inefficiency. Since economists do not have any theory for inefficiency, explaining the results of efficiency analyses are notoriously more difficult than carrying out the estimations. The literature points to...