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Probabilistic Patents

[Symposium: Intellectual Property Rights]

By Mark A. Lemley and Carl Shapiro

Journal of Economic Perspectives, Spring 2005

Economists often assume that a patent gives its owner a well-defined legal right to exclude others from practicing the invention described in the patent. In practice, however, the rights afforded to patent holders are highly uncertain. Under patent law, a...

Line-Item Veto: Where Is Thy Sting?

By John R. Carter and David Schap

Journal of Economic Perspectives, Spring 1990

Proponents of giving the president the authority to use a line-item veto argue that the institutional change is needed to limit special-interest legislation and restrain spending. Opponents respond that it would grant too much added power to the president...

Distinguished Lecture on Economics in Government-What We Don't Know Could Hurt Us: Some Reflections on the Measurement of Economic Activity

By Katharine G. Abraham

Journal of Economic Perspectives, Summer 2005

The routine production of U.S. economic statistics dates back to the early part of the twentieth century. But in recent decades, as services output has continued to expand a system of economic statistics that had been designed during the manufacturing era...

International Unions

By Alberto Alesina, Ignazio Angeloni, and Federico Etro

òòò½Íø Review, June 2005

We model an international union as a group of countries deciding to centralize the provision of public goods, or policies, that generate externalities across union members. The trade-off between the benefits of coordination and the loss of independent pol...