Cointegration requires all the variables in the system to have exact unit roots; accordingly it is conventional for researchers to test for a unit root in each variable prior to a cointegration analysis. Unfortunately, these unit root tests are not powerful. Meanwhile, conventional cointegration...

This paper argues that the tradtitional way of gauging a country's fiscal policy stance by looking at government budget deficit or cyclically adjusted budget deficits is misleading in the case of China, since a lot of what usually would be considered fiscal policy is conducted via investment by...

We consider how judgment and statistical methods should be integrated for time-series forecasting. Our review of published empirical research identified 47 studies, all but four published since 1985. Five procedures were identified: revising judgment; combining forecasts; revising...