The main task of this work is to develope a model able to encompass, at the same time, Keynesian, demand-driven, and Marxian, profit-driven determinants of fluctuations. Our starting point is the Goodwin's model (1967), rephrased in discrete time and extended by means of a coupled dynamics...

The aim of this paper, which is part of a broader research project, is to analyse the fluctuations of output in a framework of imperfect competition based on the stylised facts. We conclude that these movements can be originated by supply or demand shocks, or simply by the adjustment of the...