It is not unusual in real-life that one has to choose among finitely many alternatives when the merit of each alternative is not perfectly known. This may be the case when an individual chooses school, doctor or pension plan, or when a firm chooses between alternative R&D projects. Instead of...

In 2010, Kazakhstan entered into a customs union with Belarus and Russia. The first, relatively easy step in the implementation of the customs union was accomplished in 2010 with the adoption of a common external tariff, with varying exceptions in each of the three member countries. It is the...