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Estimation of total factor productivity for regions and sectors in Italy. A panel cointegration approach

  • R. Paci

    ()

  • R. Pala
  • E. Marrocu

    ()

In this paper a complete set of estimates of long-run production functions for 20 regions and 17 sectors in Italy is provided over the period 1970-1994. Our approach features two important aspects. First, this paper represents the first attempt to provide such a comprehensive set of estimates for the Italian economy. Moreover, we allow the estimated production functions for heterogeneity across sectors and regions. This is particularly appropriate when analysing the Italian economy since the Italian regions have been experiencing fairly different and, in certain cases, divergent development paths. Secondly, on the basis of specific panel tests, we show that there is a considerable empirical evidence which suggests the presence of unit roots in our series; therefore, we apply panel cointegration tests to guard against the spurious regression problem and to detect long-run relationships. Evidence of long run relationships is found for most of the regions and the sectors on the basis of the cointegration tests; thus, the problem of spurious regressions is ruled out allowing us to offer rigorous inference on the estimation of regional production functions. We find that factor elasticities highly differ across regions and sectors. This is an important result since most previous studies by employing unique national elasticities introduce a serious bias in the productivity comparisons.

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Paper provided by Centre for North South Economic Research, University of Cagliari and Sassari, Sardinia in its series Working Paper CRENoS with number 200016.

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Date of creation: 2000
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Handle: RePEc:cns:cnscwp:200016
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  1. Im, Kyung So & Pesaran, M. Hashem & Shin, Yongcheol, 2003. "Testing for unit roots in heterogeneous panels," Journal of Econometrics, Elsevier, vol. 115(1), pages 53-74, July.
  2. Costello, Donna M, 1993. "A Cross-Country, Cross-Industry Comparison of Productivity Growth," Journal of Political Economy, University of Chicago Press, vol. 101(2), pages 207-22, April.
  3. Quah, Danny, 1994. "Exploiting cross-section variation for unit root inference in dynamic data," Economics Letters, Elsevier, vol. 44(1-2), pages 9-19.
  4. Harrigan, James, 1999. "Estimation of cross-country differences in industry production functions," Journal of International Economics, Elsevier, vol. 47(2), pages 267-293, April.
  5. Engle, Robert F & Granger, Clive W J, 1987. "Co-integration and Error Correction: Representation, Estimation, and Testing," Econometrica, Econometric Society, vol. 55(2), pages 251-76, March.
  6. Karlsson, Sune & Lothgren, Mickael, 2000. "On the power and interpretation of panel unit root tests," Economics Letters, Elsevier, vol. 66(3), pages 249-255, March.
  7. Wu, Yangru, 1996. "Are Real Exchange Rates Nonstationary? Evidence from a Panel-Data Test," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 28(1), pages 54-63, February.
  8. Robert E. Hall & Charles I. Jones, . "Levels of Economic Activity across Countries," Working Papers 97001, Stanford University, Department of Economics.
  9. Islam, Nazrul, 1995. "Growth Empirics: A Panel Data Approach," The Quarterly Journal of Economics, MIT Press, vol. 110(4), pages 1127-70, November.
  10. Pesaran, M. Hashem & Smith, Ron, 1995. "Estimating long-run relationships from dynamic heterogeneous panels," Journal of Econometrics, Elsevier, vol. 68(1), pages 79-113, July.
  11. Levin, Andrew & Lin, Chien-Fu & James Chu, Chia-Shang, 2002. "Unit root tests in panel data: asymptotic and finite-sample properties," Journal of Econometrics, Elsevier, vol. 108(1), pages 1-24, May.
  12. Teresa Garcia-Milà & Therese J. McGuire & Robert H. Porter, 1993. "The effect of public capital in state-level production functions reconsidered," Economics Working Papers 36, Department of Economics and Business, Universitat Pompeu Fabra.
  13. Song, Frank M. & Wu, Yangru, 1998. "Hysteresis in unemployment: Evidence from OECD countries," The Quarterly Review of Economics and Finance, Elsevier, vol. 38(2), pages 181-192.
  14. Kremers, Jeroen J M & Ericsson, Neil R & Dolado, Juan J, 1992. "The Power of Cointegration Tests," Oxford Bulletin of Economics and Statistics, Department of Economics, University of Oxford, vol. 54(3), pages 325-48, August.
  15. Culver, Sarah E & Papell, David H, 1997. "Is There a Unit Root in the Inflation Rate? Evidence from Sequential Break and Panel Data Models," Journal of Applied Econometrics, John Wiley & Sons, Ltd., vol. 12(4), pages 435-44, July-Aug..
  16. Robert E. Hall & Charles I. Jones, 1999. "Why Do Some Countries Produce So Much More Output Per Worker Than Others?," The Quarterly Journal of Economics, MIT Press, vol. 114(1), pages 83-116, February.
  17. R. Paci & S. Usai, 1999. "The role of specialisation and diversity externalities in the agglomeration of innovative activities," Working Paper CRENoS 199915, Centre for North South Economic Research, University of Cagliari and Sassari, Sardinia.
  18. Destefanis, Sergio, 2000. "Differenziali territoriali di produttività ed efficienza e sviluppo dualistico
    [Territorial differences in productivity and efficiency and Italian dualism]
    ," MPRA Paper 62065, University Library of Munich, Germany.
  19. MacDonald, Ronald, 1996. "Panel unit root tests and real exchange rates," Economics Letters, Elsevier, vol. 50(1), pages 7-11, January.
  20. Kevin Lee & M. Hashem Pesaran & Ron Smith, 1998. "Growth Empirics: A Panel Data Approach- A Comment," The Quarterly Journal of Economics, MIT Press, vol. 113(1), pages 319-323, February.
  21. Pedroni, Peter, 1999. " Critical Values for Cointegration Tests in Heterogeneous Panels with Multiple Regressors," Oxford Bulletin of Economics and Statistics, Department of Economics, University of Oxford, vol. 61(0), pages 653-70, Special I.
  22. Eliana La Ferrara & Massimiliano Marcellino, . "TFP, Costs, and Public Infrastructure: An Equivocal Relationship," Working Papers 176, IGIER (Innocenzo Gasparini Institute for Economic Research), Bocconi University.
  23. Federico Bonaglia & Eliana La Ferrara & Massimiliano Marcellino, . "Public Capital and Economic Performance: Evidence from Italy," Working Papers 163, IGIER (Innocenzo Gasparini Institute for Economic Research), Bocconi University.
  24. repec:rie:review:y:2000:v:2:i:2 is not listed on IDEAS
  25. Coakley, Jerry & Fuertes, Ana Maria, 1997. "New panel unit root tests of PPP," Economics Letters, Elsevier, vol. 57(1), pages 17-22, November.
  26. Kevin Lee & M. Hashem Pesaran & Ron Smith, 1996. "Growth and Convergence in a Multi-Country Empirical Stochastic Solow Model," Working Papers 9637, Economic Research Forum, revised Dec 1996.
  27. repec:rie:review:v:5:y:2000:i:2:n:2 is not listed on IDEAS
  28. Engle, R.F. & Yoo, B.S., 1989. "Cointegrated Economic Time Series: A Survey With New Results," Papers 8-89-13, Pennsylvania State - Department of Economics.
  29. Johansen, Soren, 1988. "Statistical analysis of cointegration vectors," Journal of Economic Dynamics and Control, Elsevier, vol. 12(2-3), pages 231-254.
  30. Islam, Nazrul, 1999. "International Comparison of Total Factor Productivity: A Review," Review of Income and Wealth, International Association for Research in Income and Wealth, vol. 45(4), pages 493-518, December.
  31. Sergio Destefanis, 2001. "Differenziali Territoriali di Produttivita' ed Efficienza negli Anni '90: i Livelli e l'Andamento," CELPE Discussion Papers 59, CELPE - Centre of Labour Economics and Economic Policy, University of Salerno, Italy.
  32. Francesco Aiello & Vincenzo Scoppa, 2000. "Uneven Regional Development in Italy: Explaining Differences in Productivity Levels," Giornale degli Economisti, GDE (Giornale degli Economisti e Annali di Economia), Bocconi University, vol. 59(2), pages 270-298, September.
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