Tail-risk Protection Trading Strategies
Natalie Packham, Jochen Papenbrock, Peter Schwendner, Fabian Wöbbeking
Quantitative Finance,
No. 5,
2017
Abstract
Starting from well-known empirical stylized facts of financial time series, we develop dynamic portfolio protection trading strategies based on econometric methods. As a criterion for riskiness, we consider the evolution of the value-at-risk spread from a GARCH model with normal innovations relative to a GARCH model with generalized innovations. These generalized innovations may for example follow a Student t, a generalized hyperbolic, an alpha-stable or a Generalized Pareto distribution (GPD). Our results indicate that the GPD distribution provides the strongest signals for avoiding tail risks. This is not surprising as the GPD distribution arises as a limit of tail behaviour in extreme value theory and therefore is especially suited to deal with tail risks. Out-of-sample backtests on 11 years of DAX futures data, indicate that the dynamic tail-risk protection strategy effectively reduces the tail risk while outperforming traditional portfolio protection strategies. The results are further validated by calculating the statistical significance of the results obtained using bootstrap methods. A number of robustness tests including application to other assets further underline the effectiveness of the strategy. Finally, by empirically testing for second-order stochastic dominance, we find that risk averse investors would be willing to pay a positive premium to move from a static buy-and-hold investment in the DAX future to the tail-risk protection strategy.
Read article
Expertise in the Political Process — Benefits, Limits and Risks
Aida Ćumurović, Reint E. Gropp, Lars Brozus, Oliver Geden, Uwe Schneidewind, Karl-Heinz Paqué, Lars P. Feld
Wirtschaftsdienst,
No. 4,
2017
Abstract
Die Wahl Donald Trumps, der Brexit und der Erfolg populistischer Parteien in Europa zeigen tiefsitzende Skepsis gegenüber Experten und Eliten und deren komplexen Erklärungen der politischen und wirtschaftlichen Zusammenhänge. Ökonomen wird vorgeworfen, sich in Detailfragen zu verlieren und ein unrealistisches Menschenbild zu pflegen. Tatsächlich wäre es aber wichtig, die Unabhängigkeit der Ökonomen abzusichern, mehr Transparenz über die Hintergründe ihrer Ergebnisse herzustellen und stärker auf die Relevanz ihrer Forschungsfragen zu achten. Zudem sollten sie mehr Wert auf eine für alle verständliche Kommunikation mit Politik und Medien legen. Umgekehrt sollten letztere sich aber auch ernsthaft mit den ökonomischen Ergebnissen auseinandersetzen.
Read article
Inflation Dynamics During the Financial Crisis in Europe: Cross-sectional Identification of Long-run Inflation Expectations
Geraldine Dany-Knedlik, Oliver Holtemöller
IWH Discussion Papers,
No. 10,
2017
Abstract
We investigate drivers of Euro area inflation dynamics using a panel of regional Phillips curves and identify long-run inflation expectations by exploiting the crosssectional dimension of the data. Our approach simultaneously allows for the inclusion of country-specific inflation and unemployment-gaps, as well as time-varying parameters. Our preferred panel specification outperforms various aggregate, uni- and multivariate unobserved component models in terms of forecast accuracy. We find that declining long-run trend inflation expectations and rising inflation persistence indicate an altered risk of inflation expectations de-anchoring. Lower trend inflation, and persistently negative unemployment-gaps, a slightly increasing Phillips curve slope and the downward pressure of low oil prices mainly explain the low inflation rate during the recent years.
Read article
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.
Read article
Upturn in Germany Strengthens in Spite of Global Economic Risks
Roland Döhrn, Ferdinand Fichtner, Oliver Holtemöller, Stefan Kooths, Timo Wollmershäuser
Wirtschaftsdienst,
No. 4,
2017
Abstract
Die deutsche Wirtschaft befindet sich nun schon im fünften Jahr eines moderaten Aufschwungs, der sich 2018 fortsetzen wird. Auch global expandiert die Wirtschaft kräftig. Die gestiegenen politischen Unsicherheiten dämpfen die Weltwirtschaft derzeit offensichtlich kaum. Der wirtschaftspolitische Kurs der neuen US-Regierung birgt sowohl Chancen als auch Risiken für die Konjunktur in den USA und der Welt. Die Gemeinschaftsdiagnose prognostiziert für 2018 eine Inflationsrate von 1,9% für die fortgeschrittenen Volkswirtschaften und rechnet mit einem Kurswechsel der EZB.
Read article
12.04.2017 • 19/2017
Joint Economic Forecast Spring 2017: Upturn in Germany strengthens in spite of global economic risks
The German economy is already in the fifth year of a moderate upturn. According to the Gemeinschaftsdiagnose (GD, joint economic forecast) that was prepared by Germany’s five leading economic research institutes on behalf of the Federal Government, capacity utilization is gradually increasing, and aggregate production capacities are now likely to have slightly exceeded their normal utilisation levels. However, cyclical dynamics remain low compared to earlier periods of recoveries, as consumption expenditures, which do not exhibit strong fluctuations, have been the main driving force so far. In addition, net migration increases potential output, counteracting a stronger capacity tightening. “Gross domestic product (GDP) is expected to expand by 1.5% (1.8% adjusted for calendar effects) and 1.8% in the next year. Unemployment is expected to fall to 6.1% in 2016, to 5.7% in 2017 and 5.4% in 2018”, says Oliver Holtemöller, Head of the Department Macroeconomics and vice president of the Halle Institute for Economic Research (IWH) – Member of the Leibniz Association. Inflation is expected to increase markedly over the forecast horizon. After an increase in consumer prices of only 0.5% in 2016, the inflation rate is expected to rise to 1.8% in 2017 and 1.7% in 2018. The public budget surplus will reduce only modestly. Public finances are slightly stimulating economic activity in the current year and are cyclically neutral in the year ahead.
Oliver Holtemöller
Read
Upturn in Germany Strengthens in Spite of Global Economic Risks: Joint Economic Forecast Spring 2017
Externe Monographien,
2017
Abstract
Die deutsche Wirtschaft befindet sich nun schon im fünften Jahr eines moderaten Aufschwungs. Die gesamtwirtschaftliche Kapazitätsauslastung nimmt allmählich zu, und die gesamtwirtschaftlichen Produktionskapazitäten dürften mittlerweile die Normalauslastung leicht überschritten haben. Dabei bleibt die konjunkturelle Dynamik im Vergleich zu früheren Aufschwungphasen gering, auch weil der wenig schwankungsanfällige Konsum die Hauptantriebskraft ist. Einer stärkeren Kapazitätsanspannung wirkt zudem entgegen, dass die Nettozuwanderung das Produktionspotenzial erhöht. Das Bruttoinlandsprodukt dürfte in diesem Jahr um 1,5 Prozent (kalenderbereinigt 1,8 Prozent) und im kommenden Jahr um 1,8 Prozent zulegen.
Read article
Structural Reforms in Banking: The Role of Trading
Jan Pieter Krahnen, Felix Noth, Ulrich Schüwer
Journal of Financial Regulation,
No. 1,
2017
Abstract
In the wake of the recent financial crisis, significant regulatory actions have been taken aimed at limiting risks emanating from banks’ trading activities. The goal of this article is to look at the alternative reforms in the US, the UK and the EU, specifically with respect to the role of proprietary trading. Our conclusions can be summarized as follows: First, the focus on a prohibition of proprietary trading, as reflected in the Volcker Rule in the US and in the current proposal of the European Commission (Barnier proposal), is inadequate. It does not necessarily reduce risk-taking and it is likely to crowd out desired trading activities, thereby possibly affecting financial stability negatively. Second, trading separation into legally distinct or ring-fenced entities within the existing banking organizations, as suggested under the Vickers proposal for the UK and the Liikanen proposal for the EU, is a more effective solution. Separation limits cross-subsidies between banking and proprietary trading and diminishes contagion risk, while still allowing for synergies and risk management across banking, non-proprietary trading, and proprietary trading.
Read article
Assessing the Effects of Regulatory Bank Levies
Claudia M. Buch, Lena Tonzer, Benjamin Weigert
VOX CEPR's Policy Portal,
2017
Abstract
In response to the Global Crisis, governments have implemented restructuring and resolution regimes backed by funds financed by bank levies. Bank levies aim to internalise system risk externalities and to provide funding for bank recovery and resolution. This column explores bank levy design by considering the German and European cases. The discussion points to the importance of structured policy evaluations to determine the effects of levies.
Read article
The Risk‐Taking Channel of Monetary Policy in the U.S.: Evidence from Corporate Loan Data
Manthos D. Delis, Iftekhar Hasan, Nikolaos Mylonidis
Journal of Money, Credit and Banking,
No. 1,
2017
Abstract
To study the presence of a risk-taking channel in the U.S., we build a comprehensive data set from the syndicated corporate loan market and measure monetary policy using different measures, most notably Taylor (1993) and Romer and Romer (2004) residuals. We identify a negative relation between monetary policy rates and bank risk-taking, especially in the run up to the 2007 financial crisis. However, this effect is purely supply-side driven only when using Taylor residuals and an ex ante measure of bank risk-taking. Our results highlight the sensitivity of the potency of the risk-taking channel to the measures of monetary policy innovations.
Read article
