Wang, Zijun; Rettenmaier, Andrew J. - In: Health Economics 16 (2007) 6, pp. 559-578
Utilizing a panel data set of 50 US states, this note investigates nonstationarity and cointegration of health care expenditures and gross state products (GSP). Both the individual state-based method and the recent panel data method are applied. Allowing for structural breaks in the test, we...