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Contract Enforcement and Institutions Among the Maghribi Traders: Refuting Edwards and Ogilvie

Avner Greif

Stanford University - Department of Economics; Canadian Institute for Advanced Research (CIFAR)

June 30, 2008

Edwards and Ogilvie (2008) dispute the empirical basis of the view (Greif, e.g., 1989, 1994, 2006) that a multilateral reputation mechanism mitigated agency problems among the eleventh-century Maghribi traders. They allege, based on anecdotal evidence and an interpretation of the secondary literature, that the relations among merchants and agents were founded in law. This paper refutes this assertion using comprehensive quantitative analyses of all available primary sources and a careful review of the documents and the literature Edwards and Ogilvie cite. Their assertion that the legal system had a major role in supporting trade is based on unrepresentative and irrelevant examples, an inaccurate description of the literature, and a consistent misreading of the few sources Edwards and Ogilvie consulted. The claim that merchants' relations with their overseas agents were law-based in this historical era is wrong.

Among the recent and new quantitative findings reported here are that: (1) less than one percent of the documents’ content is devoted to legal activity on any matter. (2) The legal system was mainly used for mandatory, non-trade related matters. (Edwards and Ogilvie regularly present mandatory legal actions in non-trade related legal cases as evidence for voluntary legal actions in matters pertaining to trade.) (3) The documents reflect thousands of agency relations but less than six court documents possibly concerned with agency disputes. (4) A ten percent random sample of all the documents finds no trade-related legal actions among Maghribis beyond those in the court documents. (5) The percentage of agency relations that were not based on a legal contract is more than previously estimated (75 percent instead of 50 percent). The paper also reaffirms the accuracy of Greif’s documentary examples and sheds light on the roles of the legal system and reputation mechanism during this period. The empirical basis for the multilateral reputation view is stronger than originally perceived.

Number of Pages in PDF File: 31

Keywords: Reputation, law, Maghribis, Agency, Greif

JEL Classification: O17

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Date posted: July 2, 2008 ; Last revised: May 25, 2011

Suggested Citation

Greif, Avner, Contract Enforcement and Institutions Among the Maghribi Traders: Refuting Edwards and Ogilvie (June 30, 2008). Available at SSRN: http://ssrn.com/abstract=1153826 or http://dx.doi.org/10.2139/ssrn.1153826

Contact Information

Avner Greif (Contact Author)
Stanford University - Department of Economics ( email )
Landau Economics Building
579 Serra Mall
Stanford, CA 94305-6072
United States
650-725-8936 (Phone)
Canadian Institute for Advanced Research (CIFAR) ( email )
180 Dundas Street West, Suite 1400
Toronto, Ontario
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