Following Desai (Desai, M. 1984. An econometric model of the share of wages in national income: UK 1855-1965, pp. 253-77 in Goodwin, R. M. et al. (eds), Nonlinear Models of Fluctuating Growth, Berlin, Springer), Goodwin's simple 'predator-prey' growth cycle model of the economy (Goodwin, R. M....