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Measuring capital market efficiency: Global and local correlations structure
capital market eciency long-range dependence short-range dependence fractal dimension
2012/9/14
We introduce a new measure for the capital market eciency. The measure takes into considera-tion the correlation structure of the returns (long-term and short-term memory) and local herding behavior ...
Digital double barrier options: Several barrier periods and structure floors
Double barrier option tructure floor occupation time corridor option.
2012/9/14
We determine the price of digital double barrier options with an arbitrary number of barrier periods in the Black-Scholes model. This means that the barriers are active during some time intervals, but...
We attempt to unveil the fine structure of volatility feedback effects in the context of general quadratic autoregressive (QARCH) models, which assume that today’s volatility can be expressed as a gen...
Hierarchical structure and time-lag correlation in Worldwide Financial Markets
Hierarchical structure time-lag correlation Worldwide Financial Markets Statistical Finance
2012/6/4
Recently, many studies indicated that the minimum spanning tree (MST) network whose metric distance is de?ned by using correlation coe?cients have strong implications on extracting infor- mation from ...
On the valuation of compositions in Lévy term structure models
Time-inhomogeneous L´ evy process forward rate model forward price model option on composition Fourier transform
2010/10/29
We derive explicit valuation formulae for an exotic pathdependent interest rate derivative, namely an option on the composition of LIBOR rates. The formulae are based on Fourier transform methods for ...
The Correlation Structure of Some Financial Time Series Models
Autocorrelations mixed ARMA models Wold representation aggregation
2010/9/7
The purpose of this paper is to examine the correlation structure of mixed autoregressive and moving average (ARMA) models, as discussed in Granger and Morris (1976). The technique we use to obtain th...