Tiny changes in the American monetary policy can have dramatic effects on the rest of the world because of its double role of national and international currency. This is what I call the Triffin dilemma, an ever green concept in international finance. In the paper I show how it works through...

This heterogeneous interacting agents model of a financial market is a generalization of the model proposed by Westerhoff (The Use of Agent-Based Financial Market Models to Test the Effectiveness of Regulatory Policies) by traders who are allowed to have different investment horizons as...