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Home/Anthropology/Mains PYQ/2021/Paper I/Marriage & Family
UPSC MainsAnthropology Optional Paper I 2021 10 Marks Model Answer Available

Marriage Regulations and Alliance Theory — 2021 Paper I

Question · 2021 · Paper I · 10 Marks

Marriage Regulations and Alliance Theory

Model Answer

VAID ICS

Approach

  • Demand of Question: Explain major marriage regulations and show how they form the basis of Alliance Theory.
  • Structuring the Response: Discuss prohibitive and prescriptive marriage rules, followed by Lévi-Strauss’s theory of marriage exchange.
  • Key Dimensions to Cover: Incest taboo, exogamy, endogamy, cross-cousin marriage, reciprocity, elementary/complex structures, restricted/generalized exchange.

Model Answer

Introduction

Marriage regulations are culturally prescribed rules determining whom one may, must or must not marry, such as incest prohibition, exogamy, endogamy and preferential or prescriptive marriages. Claude Lévi-Strauss, in The Elementary Structures of Kinship (1949), developed Alliance Theory, viewing marriage as a system of reciprocity through which groups establish affinal relations and social alliances.

Marriage Regulations

Societies regulate marriage through negative and positive rules:

  • Incest taboo: prohibits marriage or sexual relations between culturally defined close kin.
  • Exogamy: requires marriage outside a particular group, such as a clan or gotra.
  • Endogamy: requires marriage within a defined social category such as caste or tribe.
  • Preferential/Prescriptive marriage: certain relatives are preferred or prescribed as spouses, particularly cross-cousins in many kinship systems.

Lévi-Strauss argued that the incest taboo produces exogamy, forcing groups to establish relationships beyond themselves.

Incest Taboo → Exogamy → Marriage Exchange → Affinity → Alliance

Alliance Theory

Lévi-Strauss shifted attention from descent to affinity and exchange. Influenced by Marcel Mauss’s The Gift (1925) and its principle of reciprocity, he viewed marriage exchange as a mechanism through which groups create enduring social bonds.

According to him, kinship systems may involve:

  • Elementary Structures: Positive rules specify the category from which a spouse should be chosen, as in prescribed cross-cousin marriage.
  • Complex Structures: Mainly negative rules specify whom one cannot marry, leaving wider choice among permitted partners.

Forms of Marriage Exchange

Restricted Exchange Generalized Exchange
Direct exchange between two groups Circulating exchange among several groups
A ↔ B A → B → C → A
Reciprocal wife-giving and wife-taking Creates a wider chain of alliances

These constitute the two major exchange forms discussed by Lévi-Strauss.

Significance

Marriage regulations therefore do more than control mate selection. By compelling individuals to marry outside certain kin groups and, in some systems, prescribing particular spouses, they transform biological reproduction into social exchange and create networks of rights, obligations and solidarity.

Conclusion

Thus, marriage regulations provide the structural basis of Alliance Theory. Lévi-Strauss demonstrated that incest prohibition and exogamy turn marriage into a system of reciprocity and exchange, linking otherwise separate groups through enduring affinal alliances.

2026 Feminist movement and family. 2025 How the study of variation in forms of marriage led to rethinking on the concepts of social reproduction, kinship and family? 2024 Define urbanization and discuss its impact on family in India with examples. 2023 Discuss the role of marriage regulations in traditional societies in India for strengthening social solidarity.

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