Strategy-proof mechanisms in public good economies

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6 Citations (Scopus)


In economies with one private good and one public good, the minimal provision mechanism is shown to be the unique mechanism that satisfies strategy-proofness, voluntary participation and the full-range property when a given cost share rule has the convex property. Even if the cost share rule shares positive fixed costs of producing public goods, so includes a non-convex portion, the proper restriction of the range of mechanisms guarantees that the minimal provision mechanism satisfies strategy-proofness and voluntary participation. In contrast, if the restriction is not sufficient, then the implied non-convexity of the cost share rule leads to an impossibility result. Furthermore, we show that no satisfactory mechanism exists in the case with several public goods.

Original languageEnglish
Pages (from-to)157-183
Number of pages27
JournalMathematical Social Sciences
Issue number2
Publication statusPublished - 1997 Apr


  • Cost share rules
  • Mechanisms
  • Strategy-proofness
  • Voluntary participation


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