A test for stationarity in the presence of a structural break is proposed. An unknown break point is endogenously determined at the value minimizing the test statistic. The break point can be estimated reasonably well under the null hypothesis of stationarity, especially when the magnitude of...

The size of government consumption relative to national output is examined to see if it is optimal in five Gulf countries of the Middle East. We follow the methodology suggested in Barro (1990) and Karras (1996, 1997). The 'Barro rule' is examined using regression tests for each country and in...

This research began with the question: why is the retailer brand market share of Tesco Korea higher than that of local Korean retailers? Of the foreign grocery retailers who have expanded into Korea, Tesco has achieved the most outstanding performance, with the highest retailer brand share in...