Corruption is a critical social and ethical problem that can impede the economic growth of a country or even ruin a country. In addition, the importance of the sovereign rating of a country cannot be underestimated. A change in the sovereign rating of a country can affect its borrowing capacity....

This paper examines the impact of market states on the profitability of momentum strategies using weekly data from the Taiwan Stock exchange over the 10-year period 1997-2006. Market states refer to the states of market such as up or down markets. In this paper, the formation period is defined...