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26 Results

Testing for the Diffusion Matrix in a Continuous-Time Markov Process Model with Applications to the Term Structure of Interest Rates

Staff Working Paper 2015-17 Fuchun Li
The author proposes a test for the parametric specification of each component in the diffusion matrix of a d-dimensional diffusion process. Overall, d (d-1)/2 test statistics are constructed for the off-diagonal components, while d test statistics are constructed for the main diagonal components.

Bootstrap Tests of Mean-Variance Efficiency with Multiple Portfolio Groupings

Staff Working Paper 2014-51 Sermin Gungor, Richard Luger
We propose double bootstrap methods to test the mean-variance efficiency hypothesis when multiple portfolio groupings of the test assets are considered jointly rather than individually.

Multivariate Tests of Mean-Variance Efficiency and Spanning with a Large Number of Assets and Time-Varying Covariances

Staff Working Paper 2013-16 Sermin Gungor, Richard Luger
We develop a finite-sample procedure to test for mean-variance efficiency and spanning without imposing any parametric assumptions on the distribution of model disturbances.

A Semiparametric Early Warning Model of Financial Stress Events

Staff Working Paper 2013-13 Ian Christensen, Fuchun Li
The authors use the Financial Stress Index created by the International Monetary Fund to predict the likelihood of financial stress events for five developed countries: Canada, France, Germany, the United Kingdom and the United States.

Testing Linear Factor Pricing Models with Large Cross-Sections: A Distribution-Free Approach

Staff Working Paper 2010-36 Sermin Gungor, Richard Luger
We develop a finite-sample procedure to test the beta-pricing representation of linear factor pricing models that is applicable even if the number of test assets is greater than the length of the time series. Our distribution-free framework leaves open the possibility of unknown forms of non-normalities, heteroskedasticity, time-varying correlations, and even outliers in the asset returns.

Testing for Financial Contagion with Applications to the Canadian Banking System

Staff Working Paper 2009-14 Fuchun Li
The author proposes a new test for financial contagion based on a non-parametric measure of the cross-market correlation. The test does not depend on the assumption that the data are drawn from a given probability distribution; therefore, it allows for maximal flexibility in fitting into the data.
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