This paper analyses how market shares for brand name drugs are affected by generic competition. The analysis is based on micro data for twelve different original drugs, which are all subject to generic competition. For five of these drugs, we find that the price of the original relative to the...

This paper analyses how market shares for brand name drugs are affected by generic competition. The analysis is based on micro data for twelve original drugs, wich are all subject to generic competition. For five of these drugs, we find that the price of the original relative to the average...