Effective demand versus profit maximization in aggregate demand/supply analysis: a dynamic perspective


  • K. LASKI
  • M. RIESE




Austria, Analysis, Supply and demand, Keynesian economics


Today many textbooks use the aggregate demand/aggregate supply analysis to convey the basics of Keynesian analysis of aggregate demand in conjunction with the profit maximisation postulate as characterising the aggregate supply side. However, this construction suffers from logical inconsistency, as the assumption of profit maximisation constraining firms through rising marginal costs of the ‘supply side’ is not easy to reconcile with the Keynesian postulate of output constrained by aggregate demand.

This work follows a prominent line of reasoning to abandon the conventional AD curve altogether and replace it with a construct which seeks to remedy the inconsistency. This is achieved by assigning the central role to profit maximisation on the supply side, while the role of effective demand in the output determination is pushed to the background.


JEL Codes: E12


ALLEN, R.C.A. and J.H. STONE (1993), "The new aggregate demand models: a critical perspective", Australian Economic Papers, vol. 32, December, pp. 248-57.

BARRO, R. (1993), Macroeconomics, 4th edition, John Wiley and Sons, New York.

BAUMOL, W.J. and A.S. BLINDER (1998), Economics, 7th edition, The Dryden Press, Hinsdale, Ill.

BHADURI, A., K. LASKI and M. RIESE (1994), "Fallacies in aggregate demand/supply analysis", WIIW Working Papers, no. 4, The Vienna Institute for International Economic Studies (WIIW), July.

BHADURI, A., K. LASKI and M. RIESE (1995), "Bledy w analizie calkowitego popytu i podazy", Ekonomista, no. 1-2.

COLANDER, D. (1995), "The stories we tell: a reconsideration of AS/AD analysis", Journal of Economic Perspectives, vol. 9, no. 3, pp. 169-88.

COLANDER, D. (1997), "Truth in labeling, AS/AD analysis, and pedagogy", Eastern Economic Journal, vol. 23, Fall, pp. 477-82.

CONLISK, J. (1996), "Why bounded rationality?", Journal of Economic Literature, vol. XXXIV, June, pp. 669-700.

DALZLEL, P. (1993), "Classical and Keynesian unemployment in a simple disequilibrium AS-AD framework", Australian Economic Papers, vol. 32, June, pp. 40-52.

Dun', A.R. (1997), "On an alleged inconsistency in aggregate-supply/aggregate-demand analysis", Eastern Economic Journal, vol. 23, no. 4, pp. 469-76.

FIELDS, T.W. and W.R. HART (1990), "Some pitfalls in the conventional treatment of aggregate demand", Southern Economic Journal, vol. 56, no. 3, January, pp. 676-85.

FRIEDMAN, M. (1968), "The role of monetary policy", American Economic Review, vol. 58, no. 1, pp. 1-17.

HALL, P.H. and M.L. TREADGOLD (1982), "Aggregate demand curves: a guide to use and abuse", Australian Economic Papers, vol. 21, June, pp. 37-48.

KALECKI, M. (1971), Selected Essays on the Dynamics of the Capitalist Economy, Cambridge University Press, Cambridge.

KEYNES, J.M. (1936), The General Theory of Employment, Interest and Money, vol. VII of Collected Writings of John Maynard Keynes, ed. Royal Economic Society, 1973.

LUCAS, R. (1981), Studies in Business Cycle Theory, MIT Press, Cambridge, Mass.

MALINVAUD, E. (1977), The Theory of Unemployment Reconsidered, Basil Blackwell, Oxford.

MANKIW, M.G. (1998), Economics: Principles and Policy, 1st edition, The Dryden Press, Hinsdale, Ill.

PERRY, L.J. (1991), "A comment on aggregate demand", Australian Economic Papers, vol. 30, December, pp. 278-86.

PHELPS, E. (1970), "The new macroeconomics in employment and inflation theory", in E. Phelps ed., Microeconomic Foundations of Employment and Inflation Theory, Norton, New York.

RABIN, A. and D. BIRCH (1982), "A clarification of the IS curve and the aggregate demand curve", Journal of Macroeconomics, vol. 4, pp. 233-38.

RAO, B.B. (1991), "What is the matter with aggregate demand and aggregate supply?", Australian Economic Papers, vol. 30, December.

SIMON, H.A. (1979), "Rational decision making in business organizations", American Economic Review, vol. 69, pp. 493-513.

STIGLITZ, J.E. (1997), Economics, 2nd edition, W.W. Norton, New York.

TOBIN, J. (1972), "Inflation and unemployment", American Economic Review, vol. 62, no. 1, pp. 1-18.


How to Cite

BHADURI, A., LASKI, K., & RIESE, M. (2013). Effective demand versus profit maximization in aggregate demand/supply analysis: a dynamic perspective. PSL Quarterly Review, 52(210). https://doi.org/10.13133/2037-3643/10925