Macroprudential Policy and Intra-group Dynamics: The Effects of Reserve Requirements in Brazil
Chris Becker, Matias Ossandon Busch, Lena Tonzer
Abstract
This paper examines whether intra-group dynamics matter for the transmission of macroprudential policy. Using novel bank-level data on the Brazilian banking system, we investigate the effect of reserve requirements targeting headquarter banks’ deposit share on credit supply by their municipal bank branches. For identification purposes, we exploit that reserve requirements are adjusted following global economic cycles. Our results reveal a lending channel of reserve requirements for branches whose parent banks are more exposed to targeted deposits. Branch ownership and exposure to internal liquidity are central in explaining the results. Our findings reveal limitations in current macroprudential policy frameworks.
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Central Bank Transparency and Cross-border Banking
Stefan Eichler, Helge Littke, Lena Tonzer
Journal of International Money and Finance,
2017
Abstract
We analyze the effect of central bank transparency on cross-border bank activities. Based on a panel gravity model for cross-border bank claims for 21 home and 47 destination countries from 1998 to 2010, we find strong empirical evidence that a rise in central bank transparency in the destination country, on average, increases cross-border claims. Using interaction models, we find that the positive effect of central bank transparency on cross-border claims is only significant if the central bank is politically independent and operates in a stable economic environment. Central bank transparency and credibility are thus considered complements by banks investing abroad.
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Do Conventional Monetary Policy Instruments Matter in Unconventional Times?
Manuel Buchholz, Kirsten Schmidt, Lena Tonzer
Abstract
This paper investigates how declines in the deposit facility rate set by the European Central Bank (ECB) affect bank behavior. The ECB aims to reduce banks’ incentives to hold reserves at the central bank and thus to encourage loan supply. However, given depressed margins in a low interest environment, banks might reallocate their liquidity toward more profitable liquid assets other than traditional loans. Our analysis is based on a sample of euro area banks for the period from 2009 to 2014. Three key findings arise. First, banks reduce their reserve holdings following declines in the deposit facility rate. Second, this effect is heterogeneous across banks depending on their business model. Banks with a more interest-sensitive business model are more responsive to changes in the deposit facility rate. Third, there is evidence of a reallocation of liquidity toward loans but not toward other liquid assets. This result is most pronounced for non-GIIPS countries of the euro area.
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Drivers of Systemic Risk: Do National and European Perspectives Differ?
Claudia M. Buch, Thomas Krause, Lena Tonzer
Abstract
In Europe, the financial stability mandate generally rests at the national level. But there is an important exception. Since the establishment of the Banking Union in 2014, the European Central Bank (ECB) can impose stricter regulations than the national regulator. The precondition is that the ECB identifies systemic risks which are not adequately addressed by the macroprudential regulator at the national level. In this paper, we ask whether the drivers of systemic risk differ when applying a national versus a European perspective. We use market data for 80 listed euro-area banks to measure each bank’s contribution to systemic risk (SRISK) at the national and the euro-area level. Our research delivers three main findings. First, on average, systemic risk increased during the financial crisis. The difference between systemic risk at the national and the euro-area level is not very large, but there is considerable heterogeneity across countries and banks. Second, an exploration of the drivers of systemic risk shows that a bank’s contribution to systemic risk is positively related to its size and profitability. It decreases in a bank’s share of loans to total assets. Third, the qualitative determinants of systemic risk are similar at the national and euro-area level, whereas the quantitative importance of some determinants differs.
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International Banking and Cross-border Effects of Regulation: Lessons from Germany
Jana Ohls, Markus Pramor, Lena Tonzer
International Journal of Central Banking,
Supplement 1, March
2017
Abstract
We analyze the inward and outward transmission of regulatory changes through German banks’ (international) loan portfolio. Overall, our results provide evidence for international spillovers of prudential instruments. These spillovers are, however, quite heterogeneous between types of banks and can only be observed for some instruments. For instance, domestic affiliates of foreign-owned global banks reduce their loan growth to the German economy in response to a tightening of sector-specific capital buffers, local reserve requirements, and loan-to-value ratios in their home country. Furthermore, from the point of view of foreign countries, tightening reserve requirements is effective in reducing lending inflows from German banks. Finally, we find that business and financial cycles matter for lending decisions.
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09.03.2017 • 12/2017
Kommentar: Einen kühlen Kopf und einen Plan – IWH-Präsident Reint E. Gropp zur EZB-Zinsentscheidung
Die Zinsen bleiben vorerst wie sie sind, das hat die Europäische Zentralbank (EZB) heute entschieden. Das ist keine Überraschung. Etwas überraschend ist es aber schon, dass keine eindeutigen Signale zum mittelfristigen Ausstieg gesendet wurden. „Die Zinsen am heutigen Tag konstant zu halten ist gut und richtig“, sagt Reint E. Gropp, Präsident des Leibniz-Instituts für Wirtschaftsforschung Halle (IWH). „Doch die heutige Pressekonferenz hätte genutzt werden müssen, um eine angepasste mittelfristige Ausstiegsstrategie aus der Niedrigzinspolitik aufzuzeigen. Dass das nicht passiert ist, ist enttäuschend.“
Reint E. Gropp
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26.01.2017 • 8/2017
IWH Policy Talk „Faraway or Close? Supervisors and Central Bankers“
Neue After-Work-Veranstaltungsreihe am IWH startet mit Ignazio Angeloni, EZB
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Aktuelle Trends: Ungewöhnliche Zeiten in der Geldpolitik: Niedriges Zinsniveau begleitet von hohen Zentralbankreserven
Kirsten Schmidt, Lena Tonzer
Wirtschaft im Wandel,
Nr. 6,
2016
Abstract
Mit dem Ausbruch der Finanzkrise 2007/2008 und der sich anschließenden Staatsschuldenkrise kam es zu zahlreichen Veränderungen in der Implementierung der Geldpolitik im Euroraum. Oberstes Ziel der Europäischen Zentralbank (EZB) ist dabei die Wahrung der Preisstabilität und ein funktionierender Geldtransmissionsmechanismus.
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