In this paper, we check the hypothesis of a time varying cointegration relation between four industrial countries’ per capita GDPs and US per capita GDP on the period from 1870 to 1994. Park and Hahn (1999) give the methodology. Results confirm the hypothesis of time evolving cointegration in...

In this paper, we estimate a health care demand function for 18 OECD countries for the period 1972-1995. We consider a demand side approach where health expenditure depend on per capita GDP and the relative price of health care. We use panel data unit root and stationarity tests to characterize...