This paper examines the problem of evaluating the presence of asymmetry in the marginal distribution of financial returns, by means of a suitable statistical test. After a brief description of existing tests, a bootstrap procedure is proposed which leads to an approximation of the Bai and Ng test under weaker assumptions. A Monte Carlo study showed that our test works properly and that, in terms of power, it is competitive with existing tests. An application to real financial time series is also presented.

Testing asymmetry in financial time series

Lisi, Francesco
2005

Abstract

This paper examines the problem of evaluating the presence of asymmetry in the marginal distribution of financial returns, by means of a suitable statistical test. After a brief description of existing tests, a bootstrap procedure is proposed which leads to an approximation of the Bai and Ng test under weaker assumptions. A Monte Carlo study showed that our test works properly and that, in terms of power, it is competitive with existing tests. An application to real financial time series is also presented.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11577/3442341
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