Finite sample performance of frequency and time domain tests for seasonal fractional integration [Working papers nº 2-09]
The flexible fourier form and local gls de-trended unit root tests [Working papers nº 19-09]
On LM-type tests for seasonal unit roots in the presence of a break in trend [Working papers nº 20-09]
Adding value to bank branch performance evaluation using congnitive maps and MCDA : a case study [Working papers nº 23-09]