Encyclopedia of Law and Economics

2019 Edition
| Editors: Alain Marciano, Giovanni Battista Ramello

Incomplete Contracts

  • Maria Alessandra RossiEmail author
Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-7753-2_83


The notion of incomplete contracts refers to the circumstance that some aspect of contractual parties’ payoff-relevant future behavior or some relevant payoff in future contingencies is unspecified in the contract and/or unverifiable by third parties. This may be attributed, by and large, to three different causes: high enforcement costs entailing unverifiability by third parties such as courts or arbitrators; the transaction costs that arise from uncertainty about future events, from the contractual parties’ bounded rationality, and from judges’ bounded rationality; and, finally, from asymmetric information. Different research programs in the economics of contracting explore the implications of these different sources of contractual incompleteness, providing insights addressing an extremely wide range of contractual issues, including the theory of the firm, the theory of corporate finance, the analysis of formal and informal institutions, regulation and public ownership, innovation and intellectual property, and international trade. The extent to which the notion of contractual incompleteness also has relevant normative implications for the law and economics of contract regulation is an issue currently debated.

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  1. Aghion P, Bolton P (1992) An incomplete contracts approach to financial contracting. Rev Econ Stud 593:473–494CrossRefGoogle Scholar
  2. Aghion P, Holden R (2011) Incomplete contracts and the theory of the firm: what have we learned over the past 25 years? J Econ Perspect 252:181–197CrossRefGoogle Scholar
  3. Aghion P, Dewatripont M, Rey P (1994) Renegotiation design with unverifiable information. Econometrica 62:257CrossRefGoogle Scholar
  4. Aghion P, Tirole J (1994) The Management of Innovation. The Quarterly Journal of Economics Vol. 109(4), pp. 1185–1209CrossRefGoogle Scholar
  5. Antràs P (2003) Firms, contracts, and trade structure. Q J Econ 118(4):1375–1418CrossRefGoogle Scholar
  6. Antràs P (2013) Goes global: incomplete contracts, property rights, and the international organization of production. J Law Econ Organ. First published online 17 Feb 2013.  https://doi.org/10.1093/jleo/ews023CrossRefGoogle Scholar
  7. Aoki M (2001) Toward a comparative institutional analysis. MIT Press, BostonCrossRefGoogle Scholar
  8. Belloc F (2012) Corporate governance and innovation. J Econ Surv 265:835–864CrossRefGoogle Scholar
  9. Bolton P (2013) Corporate finance, incomplete contracts, and corporate control. J Law Econ Organ. First published online 9 Oct 2013.  https://doi.org/10.1093/jleo/ewt010CrossRefGoogle Scholar
  10. Brousseau E, Glachant J-M (2002) The economics of contracts and the renewal of economics. In: Brousseau E, Glachant J-M (eds) The economics of contracts. Theories and applications. Cambridge University Press, CambridgeCrossRefGoogle Scholar
  11. Chung T-Y (1991) Incomplete contracts, specific investments and risk sharing. Rev Econ Stud 58:1031CrossRefGoogle Scholar
  12. Grossman SJ, Hart OD (1986) The costs and benefits of ownership: a theory of vertical and lateral integration. J Polit Econ 944:691–719CrossRefGoogle Scholar
  13. Hart OD (1995) Firms, contracts, and financial structure. Oxford University Press, OxfordCrossRefGoogle Scholar
  14. Hart O (2008) Incomplete contracts. In: Durlauf SN, Blume LE (eds) The new Palgrave dictionary of economics, 2nd edn. Palgrave Macmillan, LondonGoogle Scholar
  15. Hart OD, Moore J (1990) Property rights and the nature of the firm. J Polit Econ 98:1119–1158CrossRefGoogle Scholar
  16. Helpman E (2006) Trade, FDI, and the organization of firms. J Econ Lit 44(3):589–630CrossRefGoogle Scholar
  17. Hermalin BE, Katz ML (1993) Judicial modification of contracts between sophisticated parties: a more complete view of incomplete contracts and their breach. J Law Econ Organ 9:230Google Scholar
  18. Maskin E, Tirole J (1999) Unforeseen contingencies, property rights, and incomplete contracts. Rev Econ Stud 66:83–114CrossRefGoogle Scholar
  19. Nicita A, Pagano U (2005) Incomplete contracts and institutions. In: Backhaus A (ed) Elgar companion to law and economics. Edward Elgar, Cheltenham, pp 145–164Google Scholar
  20. North DC (1990) Institutions, institutional change and economic performance. Cambridge University Press, CambridgeCrossRefGoogle Scholar
  21. Nunn N (2007) Relationship-specificity, incomplete contracts and the pattern of trade. Q J Econ 1222:569–600CrossRefGoogle Scholar
  22. Pagano U, Rossi MA (2004) Intellectual property rights, incomplete contracts and institutional complementarities. Eur J Law Econ 182:55–76Google Scholar
  23. Pagano U, Rowthorn R (1994) Ownership, technology and institutional stability. Struct Change Econ Dyn 52:221–243CrossRefGoogle Scholar
  24. Posner EA (2003) Economic analysis of contract law after three decades: success or failure? Yale Law J 112:829–880CrossRefGoogle Scholar
  25. Schmidt KM (1998) Contract renegotiation and option contracts. In: Newman P (ed) The new Palgrave dictionary of economics and the law. Palgrave Macmillan, LondonGoogle Scholar
  26. Schmitz PW (2001) The hold-up problem and incomplete contracts: a survey of recent topics in contract theory. Bull Econ Res 53(1):1–17CrossRefGoogle Scholar
  27. Schwartz A (1998) Incomplete contracts. In: Newman P (ed) The new Palgrave dictionary of economics and the law. Macmillan/Stockton Press, London/New YorkGoogle Scholar
  28. Williamson OE (1985) The economic institutions of capitalism. The Free Press, New YorkGoogle Scholar

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Authors and Affiliations

  1. 1.Department of Economics and StatisticsUniversity of SienaSienaItaly