International Encyclopedia of Comparative Law Online

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I. Introduction
(777 words)

Volume III: Private International Law | Chapter 30 (1974): Quasi-Contracts

Completed in March 1971

Konrad Zweigert, Dierk Müller-Gindullis

1. Almost every legal system in the world has its own definition of quasi-contract. The only common denominator seems to be that its substance is made up of the institutions known as unjustifiable enrichment and negotiorum gestio (gestion d’affaires, Geschäftsführung ohne Auftrag). But this nucleus is enlarged in most legal systems by a number of institutions of various kinds, which differ in turn from country to cou…

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Konrad Zweigert and Dierk Müller-Gindullis, “I. Introduction”, in: International Encyclopedia of Comparative Law Online, Edited by: U. Drobnig, R. David, H. H. Egawa, R. Graveson, V. Knapp, A. T. Von Mehren, Y. Noda, S. Rozmaryn, V. M. Tschchikvadze, H. Valladão, H. Yntema, K. Zweigert. Consulted online on 20 November 2019 <http://dx.doi.org/10.1163/2589-4021_IECO_COM_033001>
First published online: 2018



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