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Modeling the interdependence of volatility and inter-transaction duration processes

Grammig, Joachim; Wellner, Marc - 1999

In this paper we motivate, specify and estimate a model in which the intra-day volatilty process affects the inter-transaction duration process and vice versa. In order to solve the estimation problems implied by this interdependent formulation, we first propose a GMM estimation procedure for...

Persistent link: https://www.econbiz.de/10009579173

How accurate do markets predict the outcome of an event? : the Euro 2000 soccer championships experiment

Schmidt, Carsten; Werwatz, Axel - 2002 - Rev.

asset markets ; prognosis ; market efficiency …

Persistent link: https://www.econbiz.de/10009621415

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

Manipulation in political stock markets : preconditions and evidence

Hansen, Jan; Schmidt, Carsten; Strobel, Martin - 2001

Political stock markets (PSM) are sometimes seen as substitutes for opinion polls. On the bases of a behavioral model, specific preconditions were drawn out under which manipulation in PSM can weaken this argument. Evidence for manipulation is reported from the data of two separate PSM during...

Persistent link: https://www.econbiz.de/10009614875

Predictive accuracy of political stock markets : empirical evidence from a European perspective

Berlemann, Michael; Schmidt, Carsten - 2001

stock markets relative to the polls is market efficiency. Even though the overall predictions of the political stock markets … attributed to the vote share size and to individual trader biases. -- market efficiency ; forecasting ; political stock markets …

Persistent link: https://www.econbiz.de/10009614879

Nonlinear error correction and the efficient market hypothesis : the case of German dual-class shares

Breitung, Jörg; Wulff, Christian - 1999

The efficient market hypothesis implies that asset prices cannot be cointegrated. On the other hand, arbitrage processes prevent prices of fundamentally related assets from drifting far away. An attractive model that reconciles these two conflicting facts is the nonlinear error correction...

Persistent link: https://www.econbiz.de/10009581105

Fairness versus efficiency : an experimental study of (mutual) gift giving

Güth, Werner; Kliemt, Hartmut; Ockenfels, Axel - 2000

Fairness is a strong concern as shown by the robust results of dictator giving and ultimatum experiments. Efficiency … provision games. In our experiment participants can increase efficiency by gift giving at the cost of reducing their own … for mutual gift giving. In both cases decisions can be conditioned on whether there is or there is not an efficiency gain …

Persistent link: https://www.econbiz.de/10009612570

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

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