In this paper, we set up a model of economic growth which deals with Keynesian unemployment, from non-Walrasian/Keynesian perspectives, investigate the possibility of persistent “growth cycles” generated and analyze the effects of flexibility of (real) wages on the long-run economic stability. Consequently, we reach the conclusion that flexibility of wages has an adverse effect on the macroeconomic stability and that reductions of wages have negative impacts on the attainment of “full-employment.” [ABSTRACT FROM AUTHOR]