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Active Working Papers

On the Pricing of Short- and Long-Duration Dividends: A Quadratic Macro-Factor Model, (joint work with Stephan Florig, Sven Schoemer), Sep 2018

http://papers.ssrn.com/sol3/papers.cfm?abstract_id=3248304

Abstract: This is the first arbitrage-free macro-factor asset pricing model that jointly prices U.S. equity, dividend strips and Treasury bonds as a function of the economy and monetary policy. Our model generalizes popular state-of-the-art term structure models and allows us to extract new insights on how short- and long-duration dividends and their discount rates respond to changes in the economy and in monetary policy. This paper is a response to the survey on the term structure of returns of Binsbergen and Kojien [2017] who conclude that the literature lacks a macro-factor model that jointly prices equity yields, Treasury yields and the dividend yield.

 

A Model-Free Term Structure of U.S. Dividend Premiums, (joint work with Stephan Florig, Christian Wuchte), Aug 2018

https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3217096

Abstract: We construct a model-free infinite maturity term structure of dividend risk premiums. Applying the method to 2004 - 2017 U.S. data reveals that the U.S. term structure of dividend risk premiums has been hump-shaped on average: zero for instantaneous dividends, increasing for dividends that arrive within the upcoming 13 months and downward sloping thereafter. The model-free dividend risk premiums carry predictive information for future dividend growth and returns on equity and dividends. Buying the next year of S&P 500 dividends whenever the one-year dividend risk premium is positive has earned twice the Sharpe ratio of the index after transaction costs.

 

Interpolating the Options-Implied Volatility Surface: A Comparision of Alternative Strategies, (joint work with Simon Walther), Jun 2018

https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3184767

Abstract: We compare the statistical accuracy of popular parametric (Gram-Charlier Expansion), semi-parametric (Figlewski [2008]) and non-parametric methods (OptionMetrics LLC and our refinement of Ait-Sahalia and Lo [1998]) for constructing an options-implied volatility surface, by means of leave-one-out cross-validation. We document a significant and economically large impact of the interpolation method on popular risk measures such as model-free risk-neutral variance and skewness. We distinguish between data-rich and data-poor set-ups, over a 14 year time horizon, for S&P 500 and Euro Stoxx 50 options. Based on our findings, we recommend using the refined Ait-Sahalia and Lo [1998] kernel regression method, as it consistently produced the lowest RMSE for different sections of the options-implied volatility surface. Relative to this method and to the spline method of Figlewski [2008], which ranks second in most of our tests, we find that the kernel regression set-up of OptionMetrics and the parametric Gram-Charlier expansion of the risk-neutral density are less suited to capture the options-implied volatility surface and risk-neutral density, especially when considering end-of-day data and when analyzing the tails of the respective risk-neutral density.

 

The Euro Crisis and the 24h Pre-ECB Announcement Return, (joint work with Elmar Jakobs, Lukas May and Julius Landwehr), Aug 2017

https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3020899

Abstract: We document economically and statistically large 24h pre-ECB announcement returns in European equity. For selected industries, such as the European banking sector, the respective annual premium (2010 – 2015) was 12% (Sharpe ratio of 1.6); at a time when the annual return of the European banking sector was on average flat (lost decade). Our statistical tests point into the direction that in times of abnormally high fear of a eurozone break-up, investors anticipated the ECB to announce monetary policy measures that support the euro and hence the market value of equity across selected industries and countries increased in anticipation of the announcement. In that sense, we conclude that the 24h pre-ECB announcement premium is the result of a 'monetary policy put’.

 

Monetary Policy During Liquidity Dry-Ups, (joint work with Marliese Uhrig-Homburg and Stefan Fiesel), Dec 2016 

https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3020910

Abstract: We provide new international evidence for a monetary policy liquidity transmission channel in the United States, United Kingdom, and the Eurozone. The central banks of these countries are, with a different degree, able to soften the economic downward spiral after an unexpected arrival of a financial market illiquidity shock. In order to uncover this transmission channel, we rely on a nonlinear and international economic set-up to distinguish between times of liquidity crisis and non-crisis and to account for common (global) and country specific (local) shocks. We also find that out of these central banks, the Federal Reserve has an especially influential transmission channel with strong and beneficial spillover effects to the United Kingdom and the Eurozone economy.

 

 

 

Refereed Papers

Inflation Ambiguity and the Term Structure of U.S. Government Bonds. Journal of Monetary Economics 60, no. 2 (March 2013): 295-309.

Abstract: Variations in trend inflation are the main driver for variations in the nominal yield curve. According to empirical data, investors observe a set of empirical models that could all have generated the time-series for trend inflation. This set has been large and volatile during the 1970s and early 1980s and small during the 1990s. I show that log utility together with model uncertainty about trend inflation can explain the term premium in U.S. Government bonds. The equilibrium has two inflation premiums, an inflation risk premium and an inflation ambiguity premium.

 

 

Conference Contributions

Nominal Bonds, Real Bonds, and Equity (joint work with Andrew Ang); American Finance Assocation 2014.

https://papers.ssrn.com/sol3/papers.cfm?abstract_id=1952845

Abstract: We decompose the term structure of expected equity returns into (1) the real short rate, (2) a premium for holding real long-term bonds, or the real duration premium, the excess returns of nominal long-term bonds over real bonds which reflects (3) expected inflation and (4) inflation risk, and (5) a real cashflow risk premium, which is the excess return of equity over nominal bonds. The shape of the nominal and real bond yield curves are upward sloping due to increasing duration and inflation risk premiums. The term structures of expected equity returns and equity risk premiums, in contrast, are downward sloping due to the decreasing effect of short-term expected inflation, or trend inflation, across horizons. Around 70% of the variation of expected equity returns at the 10-year horizon is due to variation in the output gap and trend inflation.

 


Economic Policy Uncertainty and Asset Price Volatility;  NBER Asset Pricing Meetings 2010, European Finance Assocation 2011.

https://papers.ssrn.com/sol3/papers.cfm?abstract_id=1566909

Abstract: We document that fear about misspecified economic and central bank policies explain 45% of variations in bond option implied volatilities and interest rate volatilities. We endogenize this empirical pattern with a parsimonious equilibrium asset pricing model. In equilibrium, volatility is endogenously driven by fear of not knowing the data generating process that drives future economic and future central bank policies. An increase in either of these two uncertainties steepens the yield curve and increases the volatility in asset and option markets. A structural estimation of the equilibrium model explains the upward sloping term structures of interest rates, bond volatility, and option volatility, with only four in real-time observable economic and central bank related risk and uncertainty factors. The study ends with highlighting an inverse relationship between interest rates and volatility disparity from fundamentals during the policy hiking period of 2004-2007 and during QE1.

 

 

How does the Bond Market Perceive Government Interventions?; Western Finance Assocation 2011, NBER Asset Pricing Meetings 2011

https://papers.ssrn.com/sol3/papers.cfm?abstract_id=1566932

Abstract: The ongoing threat of the U.S. public sector sliding over the 'fiscal cliff' urges financial economists to better understand the foundations for how government spending affects the real economy and financial markets. This paper is the first study to document that uncertainty about future government spending is a first-order risk factor in the bond market, leading to rising real and nominal interest rates, a steeper term spread, an increase in bond market volatility and bond premia. We study an equilibrium asset pricing model with a forward-looking representative agent and a forward-looking government to shed light on these empirical facts.