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Slave raiding in the twentieth century

Author

Listed:
  • Liu, Kaiqi

    (RS: GSBE other - not theme-related research, Microeconomics & Public Economics)

  • Rusch, Hannes

    (Microeconomics & Public Economics, RS: GSBE other - not theme-related research)

Abstract

Slave-making and trading lastingly shaped global demographics. However, no quantitative studies of enslavement as a day-to-day business exist. We address this gap using a unique dataset coded from the surviving records kept by notorious slave raider Hamman Yaji (c. 1863–1929). Spanning fifteen years and over 300 events, the data reveal whom Yaji targeted, how he timed his raids, and how destructive they were. Panel regression analyses show how Yaji’s decisions were shaped by political, military, ecological, and economic constraints on profit maximization. Situated in colonial eastern Nigeria, our results provide unprecedented insight into the microeconomics of slave raiding

Suggested Citation

  • Liu, Kaiqi & Rusch, Hannes, 2026. "Slave raiding in the twentieth century," Research Memorandum 010, Maastricht University, Graduate School of Business and Economics (GSBE).
    • Handle: RePEc:unm:umagsb:2026010
    DOI: 10.26481/umagsb.2026010
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    Keywords

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    JEL classification:

    • D74 - Microeconomics - - Analysis of Collective Decision-Making - - - Conflict; Conflict Resolution; Alliances; Revolutions
    • J47 - Labor and Demographic Economics - - Particular Labor Markets - - - Coercive Labor Markets
    • N47 - Economic History - - Government, War, Law, International Relations, and Regulation - - - Africa; Oceania

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