I illustrate the convergence to Rubinstein's (1982) bargaining outcome of the solutions of the finite-horizon truncations of that game. The depiction is new, and hopefully instructive, and has the flavour of international trade diagrams.

The paper provides a general analysis of the types of models with E-Perturbations which have been used recently to discuss the evolution of social conventions. Two new measures of the size and structure of the basins of attraction of dynamic systems, the radius and coradius, are introduced in...