Asset pricing,time-varying risk premia and interest rate risk

This paper investigates the role of interest rate risk in explaining security price changes. We develop and test a two-factor linear beta pricing model of security returns in which the factors are the excess returns on the long-term, riskless bond and the equal-weighted equity market index. We find that time-variation in the interest rate and market risk premia influence expected security returns. Furthermore, conditional interest rate volatility affects security returns, particularly during periods of substantial interest rate movements.     

Time-varying market,interest rate,and exchange rate risk premia in the US commercial bank stock returns

This paper examines the role of market, interest rate, and exchange rate risks in pricing a sample of the US Commercial Bank stocks by developing and estimating a multi-factor model under both unconditional and conditional frameworks. Three different econometric methodologies are used to conduct the estimations and testing. Estimations based on nonlinear seemingly unrelated regression (NLSUR) via GMM approach indicate that interest rate risk is the only priced factor in the unconditional three-factor model. However, based on ‘pricing kernel’ approach by Dumas and Solnik [(1995). J. Finance 50, 445–479], strong evidence of exchange rate risk is found in both large bank and regional bank stocks in the conditional three-factor model with time-varying risk prices. Finally, estimations based on the multivariate GARCH in mean (MGARCH-M) approach where both conditional first and second moments of bank portfolio returns and risk factors are estimated simultaneously show strong evidence of time-varying interest rate and exchange rate risk premia and weak evidence of time-varying world market risk premium for all three bank portfolios, namely those of Money Center bank, Large bank, and Regional bank.     

Uncovered interest parity, monetary policy and time-varying risk premia

In a recent paper, McCallum argued that monetary-policy behavior can be responsible for the apparent empirical failure of uncovered interest parity (UIP). The present paper investigates whether optimizing policy behavior can account for the observed regime-dependence of UIP evidence. The main result is that the tradeoff between interest-rate and exchange-rate stability is a potential candidate for the explanation of the apparent failure of UIP and that the consideration of policy reactions can explain why deviations from UIP differ systematically by the exchange-rate regime.     

Currency risk premia and uncovered interest parity in the International CAPM

Zero-investment uncovered interest parity (UIP) portfolio positions provide perfect factor-mimicking portfolios for currency risk in the International CAPM context. Their returns are the currency risk premia. Since the UIP positions on average provide low returns, the currency risk premia must be low so that currency risk appears not to be priced in an unconditional model. However, previous research has shown that UIP returns are predictable and may be quite substantial conditionally. We use this observation to generate a specific conditional version of the International CAPM. A GMM approach shows that the conditional model performs well, while the unconditional International CAPM is (marginally) rejected. The paper thus argues that previous rejections of the International CAPM stem from the fact that currency risk premia are by nature low over extended periods of time and do not provide evidence against the International CAPM.     

Exchange rate and inflation risk premia in the EMU

This paper tests the effects of exchange rate and inflation risk factors on asset pricing in the European Union (EU) stock markets. This investigation was motivated by the results of Vassalou [J. Int. Money Finance, 2000, 19, 433–470] showing that both exchange rate and foreign inflation are generally priced in equity returns, and it studies the opportunity of evaluating the causality between these sources of risk after the elimination of the EU currency risks because of the adoption of the single currency. Our results show that both exchange rate and inflation risks are significantly priced in the pre- and post-euro periods. Moreover, the sizes of exchange rate and inflation risk premiums are economically significant in the pre- and post-euro periods. Futhermore, the UK and excluding-UK inflation risk premiums explain, in part, our evidence concerning a large EUR/GBP exchange rate risk premium and the existence of an economically significant domestic non-diversifiable risk after euro adoption. Hence overlooking inflation risk factors can produce an under/overestimation of the currency premiums and a miscalculation of the degree of integration of stock markets.     

Maximum likelihood estimation of deposit insurance value with interest rate risk

This paper develops a maximum likelihood estimation method for the deposit insurance pricing model of Duan, Moreau and Sealey (DMS) [J. Banking Financ. 19 (1995) 1091.]. A sample of 10 US banks is used to illustrate the estimation method. Our results are then compared to those obtained with the modified Ronn–Verma method used in DMS. Our findings reveal that the maximum likelihood method yields estimates for the deposit insurance value much larger than the ones based on the modified Ronn–Verma method. We conduct a Monte Carlo study to ascertain the performance of the maximum likelihood estimation method. The simulation results are clearly in favor of our proposed method.     

An economic capital model integrating credit and interest rate risk in the banking book

Banks often measure credit and interest rate risk in the banking book separately and then add the risk measures to determine economic capital. This approach misses complex interactions between the two risk types. We develop a framework where these risks are analysed jointly. Since banking book positions are generally not marked to market, our model is based on book value accounting. Our simulations show that interactions matter, and that ignoring them leads to risk overstatement. The magnitude of the errors depends on the structure of the balance sheet and on the repricing characteristics of assets and liabilities.     

Calibrating a market model with stochastic volatility to commodity and interest rate risk

Based on the multi-currency LIBOR Market Model, this paper constructs a hybrid commodity interest rate market model with a stochastic local volatility function allowing the model to simultaneously fit the implied volatility surfaces of commodity and interest rate options. Since liquid market prices are only available for options on commodity futures, rather than forwards, a convexity correction formula for the model is derived to account for the difference between forward and futures prices. A procedure for efficiently calibrating the model to interest rate and commodity volatility smiles is constructed. Finally, the model is fitted to an exogenously given correlation structure between forward interest rates and commodity prices (cross-correlation). When calibrating to options on forwards (rather than futures), the fitting of cross-correlation preserves the (separate) calibration in the two markets (interest rate and commodity options), while in the case of futures a (rapidly converging) iterative fitting procedure is presented. The fitting of cross-correlation is reduced to finding an optimal rotation of volatility vectors, which is shown to be an appropriately modified version of the ‘orthonormal Procrustes’ problem in linear algebra. The calibration approach is demonstrated in an application to market data for oil futures.     

Implicit deposit insurance and deposit guarantees: Characteristics of Australian bank risk premia

This paper examines the hypothesis that CD issue yields of Australian banks incorporate a premium that reflects bank risk. Our empirical analysis of Australian banks' CD premiums suggests the data is consistent with this hypothesis and hence supports the view that CD holders do not perceive their deposits as being risk-free. Nor do we find any statistically significant difference between the premiums paid by private banks with implicit deposit insurance vis-a-vis those paid by government-owned banks with explicit government guarantees.     

The anticipated real interest rate,capital utilization and the cyclical pattern of real wages

This paper develops a channel through which increases in anticipated real interest rates can be ‘expansionary’ for current aggregate labor demand and current output supply. The key feature of the model is the introduction of a user cost of capital utilization which confronts the firm with the intertemporal problem of the optimal choices of capital utilization and depreciation. The resulting variation in capital utilization and capital services in response to fluctuations in the real rate of interest shifts the marginal product of labor and, thus, the demand for labor at the same time and in the same direction that Lucas-Rapping real interest rate effects operate on labor supply. The complete model places no a priori restrictions on the cyclical pattern of real wages, thus avoiding the countercyclical real wage prediction made by Keynes and various classical writers that is rejected by the data. Estimates of a labor demand schedule for the annual U.S. data reveal a significantly positive real interest rate effect.     

Organizational structure,risk-based capital requirements,and the sales of downgraded bonds

Using bond downgrades as external shocks to life insurers’ asset risk, we document several findings of the impact of organizational structure and risk factors on investment risk taking. First, we find that mutual insurers and widely-held stock insurers are more likely to sell downgraded bonds than are closely-held stock insurers. Second, we find evidence that insurers are less likely to sell downgraded bonds that remain in the same rating class than bonds downgraded to a lower rating class. The result implies that insurers sell downgraded bonds mainly because of additional capital charge is imposed, not because of downgrade itself. In other words, risk factors in risk-based capital regulation do matter on life insurers’ investment risk taking. Finally, we find that life insurers might be reluctant to sell downgraded bonds at fire-sale prices during the 2008–2009 financial crisis.     

Monetary policy,bond risk premia,and the economy

Within an affine model of the term structure of interest rates, where bond yields get driven by observable and unobservable macroeconomic factors, parameter restrictions help identify the effects of monetary policy and other structural disturbances on output, inflation, and interest rates and decompose movements in long-term rates into terms attributable to changing expected future short rates versus risk premia. When estimated, the model highlights a broad range of channels through which monetary policy affects risk premia and the economy, risk premia affect monetary policy and the economy, and the economy affects monetary policy and risk premia.     

Pricing commodity-linked bonds with stochastic convenience yield,interest rate and counterparty credit risk: application of Mellin transform methods

Review of Derivatives Research - This paper investigates the effects of the spot underlying commodity price, stochastic convenience yield, interest rate and counterparty credit risk on the pricing...     

Time-varying risk premia and the cost of capital: An alternative implication of the Q theory of investment

Evidence suggests that expected excess stock market returns vary over time, and that this variation is much larger than that of expected real interest rates. It follows that a large fraction of the movement in the cost of capital in standard investment models must be attributable to movements in equity risk-premia. In this paper we emphasize that such movements in equity risk premia should have implications not merely for investment today, but also for future investment over long horizons. In this case, predictive variables for excess stock returns over long-horizons are also likely to forecast long-horizon fluctuations in the growth of marginal Q, and therefore investment. We test this implication directly by performing long-horizon forecasting regressions of aggregate investment growth using a variety of predictive variables shown elsewhere to have forecasting power for excess stock market returns.     

Purchasing power,interest rate parities and the modified Fisher effect in presence of tax agreements

This paper shows that in a world with different rates of inflation and taxation, in the presence of an international tax agreement, the simultaneous coexistence of the purchasing power parity mechanism, the interest rate parity mechanism, and the revised Fisher effect is impossible. The analysis reveals a possible inherent instability of interest rates and exchange rates generated by inflation. This instability is greater the larger the tax rate differentials among countries.     

The pricing of deposit insurance in the presence of systematic risk

Based on the Merton (1977) put option framework, we develop a deposit insurance pricing model that incorporates asset correlations, a measurement for the systematic risk of a bank, to account for the risk of joint bank failures. Estimates from our model suggest that actuarially fair risk-based deposit insurance that considers only individual bank failure risk is underpriced, leaving insurance providers exposed to net losses. Our estimates also capture the size premium where big banks are priced with higher deposit insurance than small banks. This result is particularly relevant to the current regulatory concerns on big banks that are too-big-to-fail. Above all, our approach provides a unifying framework for integrating risk-based deposit insurance with risk-based Basel capital requirements.     

Asset management in the German insurance industry: the quality of interest rate forecasts

Chopra and Ziemba (J.?Portf. Manag. 19: 6?C11, 1993) show that for asset only allocations the return forecasts are more important than assumptions about the variance-covariance matrix of the returns. Following Basse et al. (ZVersWiss 96: 617?C648, 2007) the same holds true for the asset liability management (ALM) of insurance companies. Given the high quotas of bonds in the real as well as optimized insurance portfolios, interest rate forecasts are of exceptional importance. Therefore this paper examines some of these estimates for the European market using techniques of time series analysis. A?set of criteria for the evaluation of the forecasts is presented. While some results seem to be quite favorable for forecasters, others indicate that none of the analyzed forecasts seems to provide relevant information about the future development. There is lot of evidence showing that interest rates are very difficult to predict. Some hints clearly point towards herd behavior among forecasters.     

Hedging jump risk,expected returns and risk premia in jump-diffusion economies

This article presents a pure exchange economy that extends Rubinstein [Bell J. Econ. Manage. Sci., 1976, 7, 407–425] to show how the jump-diffusion option pricing model of Black and Scholes [J. Political Econ., 1973, 81, 637–654] and Merton [J. Financ. Econ., 1976, 4, 125–144] evolves in gamma jumping economies. From empirical analysis and theoretical study, both the aggregate consumption and the stock price are unknown in determining jumping times. By using the pricing kernel, we determine both the aggregate consumption jump time and the stock price jump time from the equilibrium interest rate and CCAPM (Consumption Capital Asset Pricing Model). Our general jump-diffusion option pricing model gives an explicit formula for how the jump process and the jump times alter the pricing. This innovation with predictable jump times enhances our analysis of the expected stock return in equilibrium and of hedging jump risks for jump-diffusion economies.     

The stochastic behavior of common stock variances : Value, leverage and interest rate effects

This paper examines the relation between the variance of equity returns and several explanatory variables. It is found that equity variances have a strong positive association with both financial leverage and, contrary to the predictions of the options literature, interest rates. To a substantial degree, the negative elasticity of variance with respect to value of equity that is part of market folklore is found to be attributable to financial leverage. A maximum likehood estimator is developed for this elasticity that is substantially more efficient than extant estimation procedures.