Current working papers
- Welfare-increasing third-degree price discrimination, April 2013
- The following working papers, combined with Iñaki Aguirre’s paper, "Joan Robinson was Almost Right: Output under Third-Degree Price Discrimination",are the papers that formed the basis of Aguirre, Cowan and Vickers, AER, 2010:
- When does third-degree price discrimination reduce social welfare, and when does it raise it?, Discussion Paper 410, Department of Economics, University of Oxford.
- Output and Welfare Effects in the Classic Monopoly Price Discrimination Problem (with John Vickers). Discussion Paper 335, Department of Economics, University of Oxford.