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New Classicals and Keynesians, or the Good Guys and the Bad Guys

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  • Robert J. Barro

Abstract

Old- style Keynesian models relied on sticky prices or wages to explain unemployment and to argue for demand-side macroeconomic policies. This approach relied increasingly on a Phillips-curve view of the world, and therefore lost considerable prestige with the events of the 1970s. The new classical macroeconomics began at about that time, and focused initially on the apparent real effects of monetary disturbances. Despite initial successes, this analysis ultimately was unsatisfactory as an explanation for an important role of money in business fluctuations. Nevertheless, the approach achieved important methodological advances, such as rational expectations and new methods of policy evaluation. Subsequent research by new classicals has deemphasized monetary shocks, and focused instead on real business cycle models and theories of endogenous economic growth. These areas appear promising at this time. Another development is the so-called new Keynesian economics, which includes long-term contracts, menu costs, efficiency wages and insider-outsider theories, and macroeconomic models with imperfect competition. Although some of these ideas may prove helpful as elements in real business cycle models, my main conclusion is that the new Keynesian economics has not been successful in rehabilitating the Keynesian approach.
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  • Robert J. Barro, 1989. "New Classicals and Keynesians, or the Good Guys and the Bad Guys," Swiss Journal of Economics and Statistics (SJES), Swiss Society of Economics and Statistics (SSES), vol. 125(III), pages 263-273, September.
  • Handle: RePEc:ses:arsjes:1989-iii-7
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    2. Mehmet BÖLÜKBAÞ, 2016. "The Effects of Economic Policies in Turkey: An Application for the Period After 2000," Journal of Social and Administrative Sciences, KSP Journals, vol. 3(4), pages 315-322, December.
    3. David E. Altig, 1992. "An ebbing tide lowers all boats: monetary policy, inflation, and social justice," Economic Review, Federal Reserve Bank of Cleveland, vol. 28(Q II), pages 14-22.
    4. Boris Salazar & Daniel Otero, 2015. "La revolución de los nuevos clásicos: redes, influencia y metodología," Revista de Economía Institucional, Universidad Externado de Colombia - Facultad de Economía, vol. 17(32), pages 39-69, January-J.
    5. León Díaz, John Jairo, 2007. "Keynesianismo, Poskeynesianismo y Nuevokeynesianismo: ¿Tres doctrinas diferentes y una sóla teoría verdadera? [Keynesianism, PostKeynesianism and Newkeynesianism: ¿Three different doctrines just on," MPRA Paper 4600, University Library of Munich, Germany, revised 2007.
    6. Robert G. King, 1993. "Will the New Keynesian Macroeconomics Resurrect the IS-LM Model?," Journal of Economic Perspectives, American Economic Association, vol. 7(1), pages 67-82, Winter.
    7. Brian Snowdon & Howard Vane, 1995. "New-Keynesian Economics Today: The Empire Strikes Back," The American Economist, Sage Publications, vol. 39(1), pages 48-65, March.
    8. Bernal, Humberrto, 2007. "A Short Review Of Macroeconomics Development," MPRA Paper 6883, University Library of Munich, Germany.
    9. Charles T. Carlstrom & Edward N. Gamber, 1991. "Magnification effects and acyclical real wages," Working Papers (Old Series) 9105, Federal Reserve Bank of Cleveland.
    10. Mehdi Bhoury & Mohamed Slim Mouha, 2015. "Characteristics of the Tunisian Business Cycle and its International Synchronization," IHEID Working Papers 16-2015, Economics Section, The Graduate Institute of International Studies.
    11. Rizvi, Syed Aun R. & Arshad, Shaista, 2017. "Analysis of the efficiency–integration nexus of Japanese stock market," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 470(C), pages 296-308.
    12. Juan M. Ocegueda Hernandez & Juan A. Meza Fregoso & C. Domingo Coronado García, 2013. "Impact Of Education On Economic Growth In Mexico, 1990-2008, Impacto De La Educacion En El Crecimiento Economico En Mexico, 1990-2008," Revista Internacional Administracion & Finanzas, The Institute for Business and Finance Research, vol. 6(1), pages 75-88.
    13. Robert J. Gordon, 1990. "The Phillips Curve Now and Then," NBER Working Papers 3393, National Bureau of Economic Research, Inc.
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