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Capital Requirements, Market Structure, and Heterogeneous Banks
Carola Müller
IWH Discussion Papers,
No. 15,
2022
Abstract
Bank regulators interfere with the efficient allocation of resources for the sake of financial stability. Based on this trade-off, I compare how different capital requirements affect default probabilities and the allocation of market shares across heterogeneous banks. In the model, banks‘ productivity determines their optimal strategy in oligopolistic markets. Higher productivity gives banks higher profit margins that lower their default risk. Hence, capital requirements indirectly aiming at high-productivity banks are less effective. They also bear a distortionary cost: Because incumbents increase interest rates, new entrants with low productivity are attracted and thus average productivity in the banking market decreases.
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Neue Basel-Regeln: Mehr Stabilität, weniger Kredite?
Reint E. Gropp
Wirtschaft im Wandel,
No. 4,
2021
Abstract
Ein Kernpunkt des geplanten Basel-III-Regelwerks sind die gestiegenen Eigenkapitalanforderungen. Umsetzungsprobleme könnten die gewünschten Effekte der Reformen jedoch konterkarieren. Zum einen könnten Banken ihre Eigenkapitalquote erhöhen, indem sie weniger Kredite an risikoreiche Kreditnehmer vergeben, statt ihr Eigenkapital
aufzustocken. Hiervon wären vor allem mittelständische Unternehmen ohne Kreditrating betroffen. Zum anderen lassen auch die neuen, strengeren Regeln den nationalen Bankenaufsehern Bewertungsspielräume, die von den Banken – politisch geduldet – zu einer Inflationierung ihres Eigenkapitals genutzt werden könnten.
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Macroprudential Policy and Intra-Group Dynamics: The Effects of Reserve Requirements in Brazil
Chris Becker, Matias Ossandon Busch, Lena Tonzer
Journal of Corporate Finance,
December
2021
Abstract
We examine whether liquidity dynamics within banking groups matter for the transmission of macroprudential policy. Using matched bank headquarters-branch data for identification, we find a lending channel of reserve requirements for municipal branches whose headquarters are more exposed to the policy tool. The result is driven by the 2008–2009 crisis and is stronger for state-owned branches, especially when being less profitable and liquidity constrained. These findings suggest the presence of cross-regional distributional effects of macroprudential policies operating via internal capital markets.
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12.03.2020 • 4/2020
Global economy under the spell of the coronavirus epidemic
The epidemic is obstructing the economic recovery in Germany. Foreign demand is falling, private households forgo domestic consumption if it comes with infection risk, and investments are postponed. Assuming that the spread of the disease can be contained in short time, GDP growth in 2020 is expected to be 0.6% according to IWH spring economic forecast. Growth in East Germany is expected to be 0.9% and thus higher than in West Germany. If the number of new infections cannot be decreased in short time, we expect a recession in Germany.
Oliver Holtemöller
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13.06.2019 • 12/2019
Weak foreign demand – economic downturn in Germany
In the summer of 2019, uncertainty due to ongoing trade disputes weighs on the global economy. The export-oriented German economy is particularly affected. According to IWH summer economic forecast, gross domestic product is expected to increase by only 0.5% in 2019; the forecast for East Germany is 0.8%. The German labour market remains largely robust despite the economic downturn.
Oliver Holtemöller
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On the Empirics of Reserve Requirements and Economic Growth
Jesus Crespo Cuaresma, Gregor von Schweinitz, Katharina Wendt
Journal of Macroeconomics,
June
2019
Abstract
Reserve requirements, as a tool of macroprudential policy, have been increasingly employed since the outbreak of the great financial crisis. We conduct an analysis of the effect of reserve requirements in tranquil and crisis times on long-run growth rates of GDP per capita and credit (%GDP) making use of Bayesian model averaging methods. Regulation has on average a negative effect on GDP in tranquil times, which is only partly offset by a positive (but not robust effect) in crisis times. Credit over GDP is positively affected by higher requirements in the longer run.
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