Aided by strong economic growth the Singapore government has been able to keep both the tax rate and the government expenditure rate low and yet generate healthy budget surpluses year after year. Although the gap between the tax rate and the government expenditure rate is the obvious source of...

We use a mixed-frequency regression technique to develop a test for cointegration under the null of stationarity of the deviations from a long-run relationship. What is noteworthy about this MA unit root test, based on a variance-difference, is that, instead of having to deal with non-standard...