This paper examines the unit root properties of crude oil production for 60 countries employing a range of panel data unit root tests for the period 1971 to 2003. The study first employs a number of panel data tests that do not accommodate structural breaks and then proceeds to apply the...

This paper aims to investigate the integrational properties of real GDP for 125 countries. Design/methodology/approach: The paper applies the Kwiatkowski et al. univariate test and a KPSS-type univariate test that accounts for multiple structural breaks - a test procedure proposed by...

In this paper, we test the savings-investment relationship for the G7 countries. Upon applying the Gregory and Hansen [Gregory, A.W., Hansen, B.E., 1996. Residual-based tests for cointegration in models with regime shifts, J. Econ. 70, 99-126] residual-based structural break test for...