INTERNATIONAL ECONOMIC COORDINATION IN THE G7 AS A DYNAMIC NASH GAME11The model INTERMOD 1.1, a G7 version of the IMF model MULTIMOD model, was supplied by John Helliwell, Guy Meredith and Philip Bagnoli of the Department of Finance, Canada, with a simulation database. The Nash game algorithm and programme were supplied by the Programme for Research into Optimal Policy Evaluation (PROPE) at Imperial College, London (Elias Karakitsos, Berc Rustem, Robin Becker). These were embedded in the AMODEL simulation