Siklos, P.L.; Granger, C.W.J. - Department of Economics, School of Business and Economics - 1997
There exist a variety of reasons for the failure to find a unique cointegrating relationship between economic time series where one would normally be expected on economic theory grounds. Among these are the testing procedure (e.g., Engle and Granger (1987) or Johansen (1991), the span of the...