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Le poids du secteur financier : sa mesure et son impact sur la croissance. Quelques leçons de la crise

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  • Gilles de Margerie

Abstract

[eng] The Financial Sector’s Size and Impact on Growth : Some Lessons of the Crisis.. The financial crisis has triggered intense debates on the financial sector’s excessive role in the economy, and on its role in the economic and financial crisis. Recent studies realised in the framework of France’s National Council on Statistical Information (CNIS) have shown that, until the crisis, there was a growing gap between banks’ contribution to the GDP, which was very stable in recent times, and the rapid growth of their Net Banking Income (NBI). This evolution mainly results from the growing proportion of dividends received and fair value adjustments in banks’ results, which can be interpreted as particularly linked to the growing impact of their internationalisation and of their capital markets activities. The crisis has resulted in a decline of the gap between these data that largely stems from the reduction of the market value of some financial instruments. Nevertheless this does not enable to give a well-argued answer to the critical question of the mechanisms through which the financial crisis impacted the economy, an issue on which very substantial research is still to be done. . Classification JEL : C81, E32, M41. . . [fre] La crise financière a conduit à de vifs débats sur la place trop élevée du secteur financier dans l’économie, et sur son rôle dans la crise économique et financière. Des travaux récemment menés dans le cadre du Conseil national de l’information statistique ont permis de mettre en évidence l’écart croissant jusqu’à la crise entre la contribution des banques au PIB, très stable dans la période récente, et la vive croissance de leur produit net bancaire (PNB). Cette évolution provient principalement de la part croissante des dividendes reçus et des variations de valeurs de marché dans la formation du résultat des banques, qui peut s’interpréter notamment comme reflétant le développement de leur internationalisation et de leurs opérations de marché. La crise a conduit à une réduction de l’écart entre ces différentes données qui résulte largement de la baisse des valeurs de marché de certains instruments financiers. Ceci ne permet pas pour autant de répondre de manière assurée à la question cruciale des mécanismes de transmission de la crise financière à l’économie, qui est loin d’être élucidée. . Classification JEL : C81, E32, M41.

Suggested Citation

  • Gilles de Margerie, 2010. "Le poids du secteur financier : sa mesure et son impact sur la croissance. Quelques leçons de la crise," Revue d'Économie Financière, Programme National Persée, vol. 98(3), pages 55-74.
  • Handle: RePEc:prs:recofi:ecofi_0987-3368_2010_num_98_3_5779
    DOI: 10.3406/ecofi.2010.5779
    Note: DOI:10.3406/ecofi.2010.5779
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    JEL classification:

    • C81 - Mathematical and Quantitative Methods - - Data Collection and Data Estimation Methodology; Computer Programs - - - Methodology for Collecting, Estimating, and Organizing Microeconomic Data; Data Access
    • E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles
    • M41 - Business Administration and Business Economics; Marketing; Accounting; Personnel Economics - - Accounting - - - Accounting
    • C81 - Mathematical and Quantitative Methods - - Data Collection and Data Estimation Methodology; Computer Programs - - - Methodology for Collecting, Estimating, and Organizing Microeconomic Data; Data Access
    • E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles
    • M41 - Business Administration and Business Economics; Marketing; Accounting; Personnel Economics - - Accounting - - - Accounting

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