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How spurious features arise in case of fractional cointegration

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  • Mármol, Francesc

Abstract

It is well-known that a linear regression among the levels of independent highly persistent processes yields high values of the corresponding coefficient of determination along with divergent I-ratios and low values of the Durbin-Watson statistic. In fact, such a behaviour of the customary OLS statistics has become a sort of definition of the so-called spurious regressions in econometrics. In this paper, however, we show how these spurious stylized facts also arise among nonstationary (fractionally) cointegrated processes.

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  • Mármol, Francesc, 1999. "How spurious features arise in case of fractional cointegration," DES - Working Papers. Statistics and Econometrics. WS 6349, Universidad Carlos III de Madrid. Departamento de Estadística.
  • Handle: RePEc:cte:wsrepe:6349
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