Books
- International Economic Policy Co-Ordination ,Blackwells, with Carlo Carraro, Didier Laussel, and Antoine Soubeyran
- Learning and Rationality in Economics, Blackwells, with Alan Kirman

- Nonlinear Dynamics and Economics, Cambridge University Press, ( with Alan Kirman and Bill Barnett)

- Applications of Differential Geometry to Econometrics with Paul Marriott, Cambridge University Press
