Similarly, repealing those laws that insist you must have certain qualifications before you can call yourself a doctor would have the immediate effect of increasing the supply of doctors and lowering one component of medical costs. In the first, we will suppose that in addition to free trade in the final goods and integrated capital markets, there is also free trade in the intermediate inputs and complete transfer of knowledge across countries. 14 See (5. I like to see a rounded top, but a nubbin or two stick- ing out is fine.