For almost two decades, regional cooperation and integration has remained one of the most pertinent issues of economic policy in the post-Soviet countries. There have been hundreds of initiatives and projects that aimed at deeper bilateral and regional cooperation and integration. In many cases, these initiatives had overlapping membership and objectives, or they ceased to exist, or were re-established by the same actors. Agreements with similar content, such as free trade areas or customs unions, were signed over and over again by the same countries. This variety of outcomes needed a comprehensive system to monitor and assess the current processes of economic, political and social interaction between countries. The CIS region did not posse...