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Welfare in Models of Trade with Heterogeneous Firms

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Author Info
Janiak, Alexandre () (University of Chile)
Abstract

I illustrate that the welfare improvement property of the Melitz model is due to the shape of the aggregate labor demand curve, which slopes upwards. By slightly changing some assumptions in the model, this curve may have a negative slope. In this case, increases in aggregate productivity result in a reduction in welfare. For example, this may occur when fixed costs are measured in units of aggregate output instead of labor.

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Paper provided by Institute for the Study of Labor (IZA) in its series IZA Discussion Papers with number 3803.

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Length: 12 pages
Date of creation: Oct 2008
Date of revision:
Handle: RePEc:iza:izadps:dp3803

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Related research
Keywords: heterogenous firms; international trade; aggregate labor demand curve; welfare;

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Find related papers by JEL classification:
F12 - International Economics - - Trade - - - Models of Trade with Imperfect Competition and Scale Economies
F16 - International Economics - - Trade - - - Trade and Labor Market Interactions
J23 - Labor and Demographic Economics - - Demand and Supply of Labor - - - Labor Demand

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References listed on IDEAS
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
  1. Benhabib Jess & Farmer Roger E. A., 1994. "Indeterminacy and Increasing Returns," Journal of Economic Theory, Elsevier, vol. 63(1), pages 19-41, June. [Downloadable!] (restricted)
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  2. Hartmut Egger & Udo Kreickemeier, 2007. "Firm Heterogeneity and the Labour Market Effects of Trade Liberalisation," CESifo Working Paper Series CESifo Working Paper No. , CESifo Group Munich. [Downloadable!]
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  3. Segerson, Kathleen & Mount, Timothy D, 1985. "A Non-homothetic Two-Stage Decision Model Using AIDS," The Review of Economics and Statistics, MIT Press, vol. 67(4), pages 630-39, November. [Downloadable!] (restricted)
  4. Gabriel Felbermayr & Julien Prat, 2007. "Product Market Regulation, Firm Selection and Unemployment," IZA Discussion Papers 2754, Institute for the Study of Labor (IZA). [Downloadable!]
  5. Olivier Blanchard & Francesco Giavazzi, . "Macroeconomic effects of regulation and deregulation in goods and labor markets," Working Papers 187, IGIER (Innocenzo Gasparini Institute for Economic Research), Bocconi University. [Downloadable!]
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  6. Marc J. Melitz & Gianmarco I.P. Ottaviano, 2005. "Market Size, Trade, and Productivity," NBER Working Papers 11393, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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  7. Morrison, Catherine J, 1986. "Structural Models of Dynamic Factor Demands with Nonstatic Expectations: An Empirical Assessment of Alternative Expectations Specifications," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 27(2), pages 365-86, June. [Downloadable!] (restricted)
  8. Diego Restuccia & Richard Rogerson, 2008. "Policy Distortions and Aggregate Productivity with Heterogeneous Plants," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 11(4), pages 707-720, October. [Downloadable!] (restricted)
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