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Option pricing under linear autoregressive dynamics, heteroskedasticity, and conditional leptokurtosis

Hafner, Christian M.; Herwartz, Helmut - 1999

prices caused by stochastic volatility. -- option pricing ; autoregression ; heteroskedasticity ; GARCH ; leverage effect …

Persistent link: https://www.econbiz.de/10009580460

Beyond "manucentrism" : some fresh facts about job and worker flows

Bingley, Paul; Eriksson, Tor; Werwatz, Axel; … - 1999

This paper gives a comprehensive picture of job and worker flows for the entire Danish economy. We exploit a unique central administrative register encompassing all employees of all workplaces across all sectors throughout two business cycles. This enables us to broaden the focus of the previous...

Persistent link: https://www.econbiz.de/10009581098

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

Sources of German unemployment : a structural vector error correction analysis

Brüggemann, Ralf - 2001

parameter restrictions. A cointegration analysis for the unified Germany reveals a long rum relationship between real wages … uncertainty. In contrast to previous studies for West Germany, we find that, unemployment is equally determined by technology … ; Cointegration …

Persistent link: https://www.econbiz.de/10009613616

Job stability trends and labor market (re-)entry in West Germany 1984 - 1997

Mertens, Antje - 1999

This paper investigates whether job stability in western Germany shows any signs of decline and compares the findings …

Persistent link: https://www.econbiz.de/10009580458

Unemployment and input prices : a fractional cointegration approach

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

following the classical approach based on I(0) stationarity or I(1) cointegrating relationships, we use fractional integration/cointegration … three variables are I(1). But we only find cointegration in the presence of autocorrelated disturbances, which means that … opposed to classical cointegration, which implies long memory and slow reversion to equilibrium. This suggests that an …

Persistent link: https://www.econbiz.de/10009614880

Fractional cointegration and tests of present value models

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

the null hypothesis of no cointegration against alternatives which are fractionally cointegrated. Monte Carlo simulations … (EMH) ; Present Value (PV) models ; fractional cointegration …

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

Fractional integration and the dynamics of UK unemployment

Gil-Alaña, Luis A.; Henry, S. G. B. - 2000

This article is concerned with the dynamic behaviour of UK unemployment. However, instead of using traditional approaches based on I(0) stationary or I(1) (integrated and/or cointegrated) models, we use the fractional integration framework. In doing so, we allow for a more careful study of the...

Persistent link: https://www.econbiz.de/10009582384

A fractionally integrated exponential model for UK unemployment

Gil-Alaña, Luis A. - 2000

Fractionally integrated models with the disturbances following a Bloomfield (1973) exponential spectral model are proposed in this article for modelling the U.K. unemployment. This enables us a better understanding of the low-frequency dynamics affecting the series, without relying on any...

Persistent link: https://www.econbiz.de/10009611544

Flexible stochastic volatility structures for high frequency financial data

Feldmann, David; Härdle, Wolfgang; Hafner, Christian M.; … - 1998

Stochastic Volatility (SV) models are widely used in financial applications. To decide whether standard parametric …

Persistent link: https://www.econbiz.de/10009578026