China is now the world’s second largest economy and may soon overtake the United States as the world’s largest. Despite its adoption of some free-market principles, China considers itself a “socialist-market economy,” suggesting that the government still plays a major role in the...

In this paper I describe group theoretic methods that can be used for analyzing the boundary problems, which arise when the Hamiltonian method is applied to solve the relaxed problem for the multidimensional screening problem. This technique can provide some useful insights into the structure of...