Time-varying Risk Premia in Forward Foreign Exchange Markets and Conditional Heteroskedasticity PDF Download
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Author: William Dean Lastrapes
Publisher:
ISBN:
Category :
Languages : en
Pages : 208
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Author: William Dean Lastrapes
Publisher:
ISBN:
Category :
Languages : en
Pages : 208
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Author: Alberto Giovannini
Publisher:
ISBN:
Category : Capital assets pricing model
Languages : en
Pages : 40
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Author: Prasad V. Bidarkota
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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We investigate time varying risk premia in forward dollar/pound monthly exchange rates over the last two decades. We study this issue using a signal plus noise model and separately using regression techniques. Our models account for time varying volatility and non-normalities in the observed series. Our signal plus noise model fails to isolate a statistically significant risk premium component whereas our regression model does. We attribute the discrepancy in the results from the two methods to the low power of the signal plus noise model in discriminating between a time varying risk premium component and a serially uncorrelated spot exchange rate expectational error. An important reason for the low power of the signal plus noise model is its failure to use information on current period forward rates in extracting the risk premium.
Author: Alberto Giovannini
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ISBN:
Category : Business enterprises
Languages : en
Pages : 56
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Recent empirical work indicates that, in a variety of financial markets, both conditional expectations and conditional variances of returns are time- varying. The purpose of this paper is to determine whether these joint fluctuations of conditional first and second moments are consistent with the Sharpe-Lintner-Mossin capital-asset-pricing model. We test the mean-variance model under several different assumptions about the time-variation of conditional second moments of returns, using weekly data from July 1974 to December 1986, that include returns on a portfolio composed of dollar, Deutsche mark, Sterling, and Swiss franc assets, together with the US stock market. The model is estimated constraining risk premia to depend on the time-varying conditional covariance matrix of the residuals of the expected returns equations. The results indicate that estimated conditional variances cannot explain the observed time-variation of risk premia. Furthermore, the constraints imposed by the static CAPH are always rejected.
Author: Wen-he Lu
Publisher:
ISBN:
Category : Foreign exchange
Languages : en
Pages : 130
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We have attempted to test the existence of time-varying risk premia in foreign exchange markets under two models that we have developed in this dissertation. This first one is an extension to Lucas's general equilibrium model of international finance. By assumption of the Cobb- Douglas utility function of the consumers we are able to derive a closed form for the risk premia in the foreign exchange markets on the setting of a two-country economy model. We used White's test and Engle's test for homoscedasticity and used White's heteroscedasticity-consistent variance-covariance matrix to derive the correct standard errors. The time varying risk premium is tested jointly with the efficiency of the foreign exchange market, i.e., whether the forward exchange rates are unbiased predictors of the future spot exchange rates. The empirical findings indicate that the notion of market efficiency is rejected and there is no risk premium for any of the three cases we studied. In the monetary approach, however, we test the existence of time- varying risk premia alone. By PPP and an extension to the uncovered interest parity we introduced the risk premia into our monetary approach to foreign exchange rate determination. The forward premium is used as a driving force of the risk premium. A rational expectation hypothesis is made and the forward solution derived. Since it is a non-linear single equation model and there is evidence of heteroscedasticity we used GMM estimators and the corresponding variance-covariance matrix and found that there is constant risk premia in the case of Germany and Japan but not in the case of Canada. We also did an empirical study of monetary model with the formation of risk premium derived before. The findings we have is that there is time-varying risk premium in the case of Germany but not in the cases of Japan and Canada. Since our monetary model relaxes the restriction imposed on the semi-elasticity of interest rate the empirical results are based on a more general setting than most of the monetary models of foreign exchange rates. The conflicting empirical results from the two attempts are attributed to the different setting of the models. Extensions to the current data will test whether the conclusion we have drawn is valid.
Author: Giampiero M. Gallo
Publisher:
ISBN:
Category : Asymptotic distribution (Probability theory)
Languages : en
Pages : 64
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Author: Geert Bekaert
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ISBN:
Category :
Languages : en
Pages :
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This paper successively introduces variable velocity, durability and habit persistence in a standard two-country general equilibrium model and explores their effects on the variability of exchange rate changes, forward premiums and the foreign exchange risk premium. A new feature of the model is that agents make decisions at a weekly frequency and face conditionally heteroskedastic shocks. Nevertheless, even the most complex model fails to deliver sufficiently variable risk premiums without causing forward premiums and exchange rates to be excessively variable. Unlike previous models, the model can roughly match the persistence of forward premiums.
Author: Giampiero M. Gallo
Publisher:
ISBN:
Category : Foreign exchange futures
Languages : en
Pages : 56
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Author:
Publisher:
ISBN:
Category : Banks and banking
Languages : en
Pages : 48
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Author: Jan Annaert
Publisher:
ISBN:
Category :
Languages : en
Pages : 31
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