This book extends the KMG framework (Keynes, Meltzer, Goodwin) and focuses on financial issues. It integrates Tobin's macroeconomic portfolio approach and emphasizes the issue of stock-flow consistency

We develop a simple model of the foreign exchange market in which agents optimize their portfolio and use different forecasting rules. They check the profitability of these rules ex post and select the more profitable one.This model produces two kinds of equilibria, a fundamental and a bubble...