Professors Blackstone and Fuhr, both ACI experts, wrote an interesting article on the tradeoff of increased competition vs. increased innovation and the effects on drug prices.   The full citation is:

Blackstone, Erwin A. and Fuhr, Joseph P., Jr., “Biosimilars and Innovation: An Analysis of the Possibility of Increased Competition in Biopharmaceuticals,” Future Medicinal Chemistry, vol 2, no. 11, 2010, pp.1641-1649.