Financial Market Structure and Financial Stability

This research group focuses on the role of financial market structures for financial stability. The recent financial crisis has revealed several new financial vulnerabilities that call for adequate regulatory responses. Sovereign solvency and bank default risk need to be made less interdependent by revising incentive structures propagating the transmission of these financial risks. Adequate regulatory treatment is needed for sovereign bond holdings of banks. The role of central bank transparency for international bank investment and financial stability needs to be understood. In a first workpackage, the impact of banking sector instability on sovereign default risk will be considered. The second workpackage analyses the performance of sovereign bond portfolio management of individual banks – by assessing both ex ante optimality of portfolio diversification as well as ex post risk adjusted returns. A third workpackage focuses on the role of central bank transparency for default risk and portfolio holdings of banks. Two aspects of central bank transparency will be considered: Transparency about monetary policy and transparency about macroprudential regulation.

Research Cluster
Financial Stability and Regulation

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Professor Dr Stefan Eichler
Professor Dr Stefan Eichler
Mitglied - Department Financial Markets
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EXTERNAL FUNDING

01.2017 ‐ 12.2020

The Role of Idiosyncratic and Systemic Bank Risks during the Euro Crisis

Heinrich-Böll-Stiftung

Professor Dr Stefan Eichler

Refereed Publications

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The Term Structure of Banking Crisis Risk in the United States: A Market Data Based Compound Option Approach

Stefan Eichler Alexander Karmann Dominik Maltritz

in: Journal of Banking & Finance, No. 4, 2011

Abstract

We use a compound option-based structural credit risk model to estimate banking crisis risk for the United States based on market data on bank stocks on a daily frequency. We contribute to the literature by providing separate information on short-term, long-term and total crisis risk instead of a single-maturity risk measure usually inferred by Merton-type models or barrier models. We estimate the model by applying the Duan (1994) maximum-likelihood approach. A strongly increasing total crisis risk estimated from early July 2007 onwards is driven mainly by short-term crisis risk. Banks that defaulted or were overtaken during the crisis have a considerably higher crisis risk (especially higher long-term risk) than banks that survived the crisis.

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Working Papers

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What Drives the Commodity-Sovereign-Risk-Dependence in Emerging Market Economies?

Hannes Böhm Stefan Eichler Stefan Gießler

in: IWH Discussion Papers, No. 23, 2019

Abstract

Using daily data for 34 emerging markets in the period 1994-2016, we find robust evidence that higher export commodity prices are associated with higher sovereign bond returns (indicating lower sovereign risk). The economic effect is especially pronounced for heavy commodity exporters. Examining the drivers, we find, first, that commodity-dependence is higher for countries that export large volumes of volatile commodities and that the effect increases in times of recessions, high inflation, and expansionary U.S. monetary policy. Second, the importance of raw material prices for sovereign financing can likely be mitigated if a country improves institutions and tax systems, attracts FDI inflows, invests in manufacturing, machinery and infrastructure, builds up reserve assets and opens capital and trade accounts. Third, the concentration of commodities within a country’s portfolio, its government indebtedness or amount of received development assistance appear to be only of secondary importance for commodity-dependence.

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Avoiding the Fall into the Loop: Isolating the Transmission of Bank-to-Sovereign Distress in the Euro Area and its Drivers

Hannes Böhm Stefan Eichler

in: IWH Discussion Papers, No. 19, 2018

Abstract

We isolate the direct bank-to-sovereign distress channel within the eurozone’s sovereign-bank-loop by exploiting the global, non-eurozone related variation in stock prices. We instrument banking sector stock returns in the eurozone with exposure-weighted stock market returns from non-eurozone countries and take further precautions to remove any eurozone crisis-related variation. We find that the transmission of instrumented bank distress, while economically relevant, is significantly smaller than the corresponding coefficient in the unadjusted OLS framework, confirming concerns on reverse causality and omitted variables in previous studies. Furthermore, we show that the spillover of bank distress is significantly stronger for countries with poorer macroeconomic performances, weaker financial sectors and financial regulation and during times of elevated political uncertainty.

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Channeling the Iron Ore Super-cycle: The Role of Regional Bank Branch Networks in Emerging Markets

Helge Littke

in: IWH Discussion Papers, No. 11, 2018

Abstract

The role of the financial system to absorb and to intermediate commodity boom induced windfall gains efficiently presents one of the most pressing issues for developing economies. Using an exogenous increase in iron ore prices in March 2005, I analyse the role of regional bank branch networks in Brazil in reallocating capital from affected to non-affected regions. For the period from March 2004 to March 2006, I find that branches directly exposed to this shock by their geographical location experience an increase in deposit growth in the post-shock period relative to non-affected branches. Given that these deposits are not reinvested locally, I further show that branches located in the non-affected region increase lending growth depending on their indirect exposure to the booming regions via their branch network. Even tough, these results provide evidence against a Dutch Disease type crowding out of the non-iron ore sector, further evidence suggests that this capital reallocation is far from being optimal.

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Time-varying Volatility, Financial Intermediation and Monetary Policy

S. Eickmeier N. Metiu Esteban Prieto

in: IWH Discussion Papers, No. 19, 2016

Abstract

We document that expansionary monetary policy shocks are less effective at stimulating output and investment in periods of high volatility compared to periods of low volatility, using a regime-switching vector autoregression. Exogenous policy changes are identified by adapting an external instruments approach to the non-linear model. The lower effectiveness of monetary policy can be linked to weaker responses of credit costs, suggesting a financial accelerator mechanism that is weaker in high volatility periods.

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A Market-based Indicator of Currency Risk: Evidence from American Depositary Receipts

Stefan Eichler Ingmar Roevekamp

in: IWH Discussion Papers, No. 4, 2016

Abstract

We introduce a novel currency risk measure based on American Depositary Receipts(ADRs). Using a multifactor pricing model, we exploit ADR investors’ exposure to potential devaluation losses to derive an indicator of currency risk. Using weekly data for a sample of 831 ADRs located in 23 emerging markets over the 1994-2014 period, we find that a deterioration in the fiscal and current account balance, as well as higher inflation, increases currency risk. Interaction models reveal that these macroeconomic fundamentals drive currency risk, particularly in countries with managed exchange rates, low levels of foreign exchange reserves and a poor sovereign credit rating.

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