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This study analyses the persistence in the international monthly arrivals to the Azores Islands using a model based on fractional integration and seasonal autoregressions. The estimated fractional differencing parameter gives an indication of the long run evolution of the series. We use both...
Persistent link: https://www.econbiz.de/10005593000
This paper analyses airline accident data from 1927-2006, through fractional integration. It is shown that airline accidents are persistent and (fractionally) cointegrated with airline traffic. There exists a negative relation between air accidents and airline traffic, with the effect of the...
Persistent link: https://www.econbiz.de/10005628406
Leão (2005) has recently proposed a new explanation for the short run variability of the velocity of money based on the changes in the composition of the expenditure that occur along the business cycle. This paper presents further empirical evidence in favour of Leão’s Expenditure...
Persistent link: https://www.econbiz.de/10005628441