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AER - Previous Issues

     Vol. 94, Issue: 3 - June 2004
     Vol. 94, Issue: 2 - May 2004
     Vol. 94, Issue: 1 - March 2004
     Vol. 93, Issue: 5 - December 2003
     Vol. 93, Issue: 4 - September 2003
     Vol. 93, Issue: 3 - June 2003
     Other Issues

AER - June 2004

Articles in this Issue
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Risk and Volatility: Econometric Models and Financial Practice (pp. 405 - 420)

Time Series Analysis, Cointegration, and Applications (pp. 421 - 425)

The Effects of Social Networks on Employment and Inequality (pp. 426 - 454)

Liquidity, Efficiency, and Bank Bailouts (pp. 455 - 483)

Distinguishing Informational Cascades from Herd Behavior in the Laboratory (pp. 484 - 498)

Referrals (pp. 499 - 525)

The Role of Social Capital in Financial Development (pp. 526 - 556)

Irreversible Decisions and Record-Setting News Principles (pp. 557 - 568)

In-Kind Finance: A Theory of Trade Credit (pp. 569 - 590)

What's in a Grade? School Report Cards and the Housing Market (pp. 591 - 604)

Does Foreign Direct Investment Increase the Productivity of Domestic Firms? In Search of Spillovers Through Backward Linkages (pp. 605 - 627)

Pareto-Improving Campaign Finance Policy (pp. 628 - 655)

Workers' Education, Spillovers, and Productivity: Evidence from Plant-Level Production Functions (pp. 656 - 690)

Efficient Patent Pools (pp. 691 - 711)

Is There a Politically Optimal Level of Judicial Independence? (pp. 712 - 729)

Money Does Matter! Evidence from Increasing Real Income and Life Satisfaction in East Germany Following Reunification (pp. 730 - 740)

Examining the Role of Social Isolation on Stated Preferences (pp. 741 - 752)

After the Big Bang? Obstacles to the Emergence of the Rule of Law in Post-Communist Societies (pp. 753 - 763)

Incentives and Discrimination (pp. 764 - 773)

Aid, Policies, and Growth: Comment (pp. 774 - 780)

Aid, Policies, and Growth: Reply (pp. 781 - 784)

Resistance to Reform: Status Quo Bias in the Presence of Individual-Specific Uncertainty: Comment (pp. 785 - 795)

Opportunism in Multilateral Vertical Contracting: Nondiscrimination, Exclusivity, and Uniformity: Comment (pp. 796 - 801)

Opportunism in Multilateral Vertical Contracting: Nondiscrimination, Exclusivity, and Uniformity: Reply (pp. 802 - 803)

Independent Auditors' Report (pp. 805 - 812)

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American Economic Review

Vol. 94, No. 3, June 2004

Efficient Patent Pools Josh Lerner and Jean Tirole
Article Citation
Lerner, Josh, and Jean Tirole. 2004. "Efficient Patent Pools." American Economic Review, 94(3): 691–711.
DOI:10.1257/0002828041464641
Abstract
The paper builds a tractable model of patent pools, agreements among patent owners to license sets of their patents. It provides a necessary and sufficient condition for patent pools to enhance welfare and shows that requiring pool members to be able to independently license patents matters if and only if the pool is otherwise welfare reducing. The paper allows patents to differ in importance, asymmetric blocking patterns, and licensors to also be licensees. We undertake some initial exploration of the impact of pools on innovation. The analysis has broader applicability than pools, being relevant to a number of co-marketing arrangements.

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Authors

Lerner, Josh
Tirole, Jean