This paper surveys the recent literature on the theory of macroeconomic policy. We study the effect of various incentive constraints on the policy making process, such as lack of credibility, political opportunism, political ideology, and divided government. The survey is organized in three...

The crisis of Southern Sudan and eminent secession in 9 July 2011 is a nightmare to the Sudanese national economy. The dependence on oil revenue that controlled the country for the past 11 years and negligence of the other real economy's economic sectors, agriculture and industry severely...