NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

NBER Publications by Claudia Buch

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Working Papers and Chapters

July 2014International Banking and Liquidity Risk Transmission: Lessons from Across Countries
with Linda S. Goldberg: w20286
Activities of international banks have been at the core of discussions on the causes and effects of the international financial crisis. Yet we know little about the actual magnitudes and mechanisms for transmission of liquidity shocks through international banks, including the reasons for heterogeneity in transmission across banks. The International Banking Research Network, established in 2012, brings together researchers from around the world with access to micro-level data on individual banks to analyze issues pertaining to global banks. This paper summarizes the common methodology and results of empirical studies conducted in eleven countries to explore liquidity risk transmission. Among the main results is, first, that explanatory power of the empirical model is higher for domestic le...
May 2013Big Banks and Macroeconomic Outcomes: Theory and Cross-Country Evidence of Granularity
with Franziska Bremus, Katheryn Russ, Monika Schnitzer: w19093
Does the mere presence of big banks affect macroeconomic outcomes? In this paper, we develop a theory of granularity (Gabaix, 2011) for the banking sector, introducing Bertrand competition and heterogeneous banks charging variable markups. Using this framework, we show conditions under which idiosyncratic shocks to bank lending can generate aggregate fluctuations in the credit supply when the banking sector is highly concentrated. We empirically assess the relevance of these granular effects in banking using a linked micro-macro dataset of more than 80 countries for the years 1995-2009. The banking sector for many countries is indeed granular, as the right tail of the bank size distribution follows a power law. We then demonstrate granular effects in the banking sector on macroeconomic ou...

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