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Bank Leverage Shocks and the Macroeconomy: a New Look in a Data-Rich Environment

Jean-Stéphane Mésonnier () and Dalibor Stevanovic ()

Cahiers de recherche from CIRPEE

Abstract: The recent crisis has revealed the potentially dramatic consequences of allowing the build-up of an overstretched leverage of the financial system, and prompted proposals by bank supervisors to significantly tighten bank capital requirements as part of the new Basel 3 regulations. Although these proposals have been fiercely debated ever since, the empirical question of the macroeconomic consequences of shocks to banks’ leverage, be they policy induced or not, remains still largely unsettled. In this paper, we aim to overcome some longstanding identification issues hampering such assessments and propose a new approach based on a data-rich environment at both the micro (bank) level and the macro level, using a combination of bank panel regressions and macroeconomic factor models. We first identify bank leverage shocks at the micro level and aggregate them to an economy-wide measure. We then compute impulse responses of a large array of macroeconomic indicators to our aggregate bank leverage shock, using the new methodology developed by Ng and Stevanovic (2012). We find significant and robust evidence of a contractionary impact of an unexpected shock reducing the leverage of large banks.

Keywords: Bank capital ratios; macroeconomic fluctuations; panel; dynamic factor models (search for similar items in EconPapers)
JEL-codes: C23 C38 E32 E51 G21 G32 (search for similar items in EconPapers)
Date: 2013
New Economics Papers: this item is included in nep-ban and nep-mac
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http://www.cirpee.org/fileadmin/documents/Cahiers_2013/CIRPEE13-30.pdf (application/pdf)

Related works:
Working Paper: Bank leverage shocks and the macroeconomy: a new look in a data-rich environment (2012) Downloads
Working Paper: BANK LEVERAGE SHOCKS AND THE MACROECONOMY: A NEW LOOK IN A DATA-RICH ENVIRONMENT (2012) Downloads
Working Paper: Bank Leverage Shocks and the Macroeconomy: a New Look in a Data-Rich Environment (2012) Downloads
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