Regarding the article "The (paper) work of medicine : understanding international medical costs" by David M. Cutler and Dan P. Ly. Based on this article respond to the following two statements.

1. Briefly describe productive efficiency and allocative efficiency and explain. 2. Identify one of the three reasons that the authors discuss for spending differences between the US and Canada that a group member has not already examined. For the reason, you identify, explain how the US differs from other countries and give an example of a policy discussed that could lower costs in the U. S. Explain.