| Date | Title | Host | Venue |
| Oct 9, 07 | Henry Jackson Society | Henry Jackson Society | Bickenhall Mansions |
| Oct 4, 07 | Market Dominance. Beesley Lecture | IEA and London Business School | IoD |
| Oct 1, 07 | Politeia Tory Fringe | Politeia | Blackpool |
| April 16, 07 | Georgetown Antitrust Conference | Arnold & Porter | Georgetown University |
| March 28, 07 | Henry Jackson Society | Henry Jackson Society | Peterhouse, Cambridge |
| March 13, 07 | The Future of Inheritance Taxes | Adam Smith Institute and John D Wood & Co | Royal Institution of Chartered Surveyors |
| Jan 17, 07 | Broadcasting Policy | IEA | 2 Lord North, London |
| Dec 1, 06 | The Modern Corporation Princeton Dec 1, 06.pdf | James Madison Program in American Ideals and Institution | Princeton |
| Oct 19, 06 | Implications for Productivity Growth in the Economy | Office of Fair Trading | Hilton, Kensington. London |
| May 8, 06 | Energy, Competition, Taxes and Trade: Some Policy Suggestions | Prosperity Caucus | Washington, DC |
| May 3, 06 | Productivity and Regulation | Smith Institute | No 11 Downing Street, London |
| March 13, 06 | Annual London Lecture | Royal Borough of Kensington and Chelsea | The Town Hall, London |
| March 8, 06 | Will Cameron's Conservatives be Good for Business? | Social Market Foundation | Broadway House, London |
| March 8, 06 | Productivity, Regulation and Competition: Policies for Natural and Unnatural Monopolies | Smith Institute | No 11 Downing Street, London |
| March 7, 06 | The Limits of Tax: Efficiency, Equity and International Competition | Politeia | 22 Charing Cross Road, London |
| Sept 22, 2005 | Johns Hopkins Center for Transatlantic | Center for Transatlantic Relations | Fairmount Hotel |
| July 12, 2005 |
Regulation: An Imperfect Substitute for Imperfect Competition |
Regulatory Policy Institute | Harris Manchester College, Oxford, UK |