0.16 Darius Lakdawalla Tomas Philipson, Does Intellectual Property Restrict Output? An Analysis of Pharmaceutical Markets, Journal of Law and Economics, 2012.

{ demand price marginal supply }	0.19
{ drug drugs pharmaceutical products }	0.16
{ variable variables results significant }	0.15
{ advertising consumers consumer quality }	0.09

Related Articles

Lacy Glenn Thomas, Advertising in Consumer Goods Industries: Durability_ Economies of Scale_ and Heterogeneity, Journal of Law and Economics, 1989.

David S. KidwellM. Wayne MarrG. Rodney Thompson, Shelf Registration: Competition and Market Flexibility, Journal of Law and Economics, 1987.

Anindya Sen, An Empirical Test of the Offset Hypothesis, Journal of Law and Economics, 2001.