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Network homophily: Homophily in networks describes the tendency of individuals to form connections with others who share similar characteristics, interests or traits. See also social networks, filter bubbles, misinformation, communication, internet, internet culture, networks.
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Annotation: The above characterizations of concepts are neither definitions nor exhausting presentations of problems related to them. Instead, they are intended to give a short introduction to the contributions below. – Lexicon of Arguments.

 
Author Concept Summary/Quotes Sources

Guido E. Tabellini on Network Homophily - Dictionary of Arguments

Mokyr I 3
Nework homophily/Mokry/Tabellini: Social organizations can be viewed as social networks, i.e. as groups of people who interact regularly and cooperate on specific domains. Which social networks are more likely to form depends on prevailing homophily criteria, that is with whom people prefer to interact (Jackson 2008)(1). This in turn is shaped by value systems and cultural traits. Traditionally, strong ties between individuals related by kin have facilitated cooperation within extended families. As social interactions became more complex, however, cooperation within families was no longer sufficient, and inter-family arrangements had to emerge to sustain cooperation. The social arrangements that emerged in China vs Europe in the second millennium AD were very different in this respect. In China, inter-family cooperation was organized within clans - patrilineal alliances among families who traced their origin to a common ancestor. In Europe, associations of unrelated individuals became central to the way individuals cooperated outside the family.
These different arrangements reflected differences in value systems. In China the Confucian tradition,
encouraged by the imperial authorities during the Song and subsequent dynasties, emphasized
ancestor worship and strong kinship ties. This in turn promoted extended family structures and
facilitated cooperation between descendants of the same male ancestor. In Europe, the Catholic
Church played a major role in reshaping family ties towards the nuclear family, and in diffusing a
universalistic value system detached from one’s narrow community of friends and relatives.
Mokyr I 4
Between the 6th and 11th centuries, the Church doctrine strongly discouraged marriage between cousins and other relatives, insisted on women’s consent to the marriage, dissuaded from adoptions and remarriage, prohibited all forms of polygamy (Henrich, 2020(2); Schulz, 2022(3)). As noted by Goody (1983)(4), these Church policies reduced the importance of unilineal descent and led to the dissolution of large kinship groups. This facilitated the emergence of the so-called European Marriage Pattern, namely late age of marriage, high rates of celibacy, neolocality (i.e. newly married couples living on their own), consensuality and bilineal descent customs (Hajnal 1982)(5). As pointed out by Roland (2020)(6), if ancestry is determined symmetrically from father and mother, the number of ancestors becomes quickly so large that common descent is no longer a viable criterion to organize social networks.
As a result of these different traditions, after the first millennium AD, while in China the clan based on ancestry became the paramount form of social organization, in Europe cooperation was instead
achieved through a variety of other organizational arrangements among unrelated individuals, that
following Greif (2006a(7),b(8)), we call corporations.
>Corporations
, cf. >Chinese history, >Chinese Economy.

1. Jackson Matthew. 2008. Social and Economic Networks. Princeton, NJ: Princeton University Press
2. Henrich, Joseph. 2020. The WEIRDest People in the World: How the West Became Psychologically
Peculiar and Particularly Prosperous. New York: Farrar Straus and Giroux.
3. Schultz, Jonathan F. 2022. “Kin Networks and Institutional Development.” The Economic Journal,
Vol. 132, No. 647, pp. 2578-2613.
4. Goody, J. 1983. The Development of the Family and Marriage in Europe. Cambridge: Cambridge
University Press.
5. Hajnal, John. 1982. “Two Kinds of Preindustrial Household Formation System.” Population and
Development Review, Vol. 8, No. 3, pp. 449–494.
6. Roland, Gerard. 2020. “The Deep Historical Roots of Modern Culture: A Comparative
Perspective.” Journal of Comparative Economics, Vol. 48, pp. 483-508.
7. Greif, Avner. 2006a. “Family Structure, Institutions, and Growth: The Origins and Implications of
Western Corporations,” American Economic Review, Vol. 96, No. 2, pp. 308-312.
8. Greif, Avner. 2006b. “The Birth of Impersonal Exchange: The Community Responsibility System and
Impartial Justice.” Journal of Economic Perspectives, Vol. 20, No. 2 (Spring), pp. 221–236.

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Explanation of symbols: Roman numerals indicate the source, arabic numerals indicate the page number. The corresponding books are indicated on the right hand side. ((s)…): Comment by the sender of the contribution. Translations: Dictionary of Arguments
The note [Concept/Author], [Author1]Vs[Author2] or [Author]Vs[term] resp. "problem:"/"solution:", "old:"/"new:" and "thesis:" is an addition from the Dictionary of Arguments. If a German edition is specified, the page numbers refer to this edition.



EconTabell I
Guido Tabellini
Torsten Persson
The size and scope of government: Comparative politics with rational politicians 1999

Mokyr I
Joel Mokyr
Guido Tabellini
Social Organizations and Political Institutions: Why China and Europe Diverged CESifo Working Paper No. 10405 Munich May 2023

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