Chapter 1: MARKETS, MANAGERS, AND FIRMS

Surle Labs produces a single pharmaceutical drug, Zolax, for which the patent expires in four years. After the patent expires, Surle will earn no more economic profits after the fourth year passes because 1) dozens of firms will produce a generic version of Zolax that will drive the price of Zolax down to unit costs, and 2) it has invested nothing in research and development of new drugs and ... ................
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