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Fractional cointegration and tests of present value models

Caporale, Guglielmo Maria; Gil-Alaña, Luis A. - 2000

This paper tests the validity of Present Value (PV) models of stock prices by employing a two-step strategy for testing the null hypothesis of no cointegration against alternatives which are fractionally cointegrated. Monte Carlo simulations are conducted to evaluate the power and size...

Persistent link: https://www.econbiz.de/10009582383

Efficient hedging : cost versus shortfall risk

Föllmer, Hans; Leukert, Peter - 1999

An investor faced with a contingent claim may eliminate risk by (super-)hedging in a financial market. As this is often quite expensive, we study partial hedges, which require less capital and reduce the risk. In a previous paper we determined quantile hedges which succeed with maximal...

Persistent link: https://www.econbiz.de/10009579176

Coherent risk measures, valuation bounds, and (my,p)-portfolio optimization

Jaschke, Stefan R.; Küchler, Uwe - 1999

This paper presents a general theory that works out the relation between coherent risk measures, valuation bounds, and … theory presented seems to fill a gap between arbitrage valuation on the one hand and single agent utility maximization or … full-fledged equilibrium theory on the other hand. "Coherent" valuation bounds strike a balance in that the bounds can be …

Persistent link: https://www.econbiz.de/10009581108

Please, marry me! : an experimental study of risking a joint venture

Güth, Werner; Ivanova-Stenzel, Radosveta; Tjotta, Sigve - 1999

Empirical studies in family economics usually rely on questionnaires, statistical or panel data. Here we try to study experimentally some crucial aspects of engaging in a marriage. First the female partner can end the relationship or suggest one of the two forms of joint venture. Whereas a full...

Persistent link: https://www.econbiz.de/10009582415

On the interaction of risk and time preferences : an experimental study

Anderhub, Vital; Genîzî, Ûrî; Güth, Werner; … - 1999

discounting. The main result is a statistically significant negative correlation between subjects' degrees of risk aversion and …

Persistent link: https://www.econbiz.de/10009581107

Quantile hedging

Föllmer, Hans; Leukert, Peter - 1998

In a complete financial market every contingent claim can be hedged perfectly. In an incomplete market it is possible to stay on the safe side by superhedging. But such strategies may require a large amount of initial capital. Here we study the question what an investor can do who is unwilling...

Persistent link: https://www.econbiz.de/10009574876

On model based seasonal adjustment procedures

Breitung, Jörg - 1998

In this note the unobserved component approach underlying the software package SEATS is compared with the Beveridge-Nelson type of decomposition for seasonal time series. The main strength of the SEATS approach lies in the appealing model formulation and the careful specification and adjustment...

Persistent link: https://www.econbiz.de/10009574877

The monetary model of the exchange rate : a structural interpretation

Moersch, Mathias; Nautz, Dieter - 1998

We emphasize the importance of properly identifying the long-run relations underlying the monetary model of the exchange rate. The separate estimation of long-run money demands leads to a "structural" error correction equation which allows an interpretation of the various channels affecting the...

Persistent link: https://www.econbiz.de/10009574885

Sequential versus independent commitment : an indirect evolutionary analysis of bargaining rules

Güth, Werner - 1998 - Rev.

Rational bargaining behavior depends crucially on the rules of bargaining, especially on whether parties decide sequentially or independently. Whereas in ultimatum bargaining the proposer can exploit the responder, independent commitments result in more balanced payoffs. To limit the scope of...

Persistent link: https://www.econbiz.de/10009574886

Smooth discrimination analysis

Mammen, Enno; Cybakov, Aleksandr B. - 1998

Discriminant analysis for two data sets in IRd with probability densities f and g can be based on the estimation of the set G = {x : f(x) ≥ g(x)}. We consider applications where it is appropriate to assume that the region G has a smooth boundary. In particular, this assumption makes sense if...

Persistent link: https://www.econbiz.de/10009574887

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