Contents: Part I: Capitalism and financial crisis -- 1. Marx and the monetary business cycle -- 2. Marx and the emergence of debt markets -- 3. Rosa luxemburg and the marxists on finance -- Part II: Critical theories of finance in the twentieth century: Unstable money and finance -- 4. Ralph...

This paper examines Steindl s original 1952 model and relates it to subsequent stagnationist models. The model is then extended by introducing endogenous changes in the markup and a reformulation of the investment function. These extensions address weaknesses of the simpler models, find support...