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The origins of money: Calculation of similarity indexes demonstrates the earliest development of commodity money in prehistoric Central Europe

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  • Maikel H G Kuijpers
  • Cătălin N Popa

Abstract

The origins of money and the formulation of coherent weight and measurement systems are amongst the most significant prehistoric developments of the human intellect. We present a method for detecting perceptible standardization of weights and apply this to 5028 Early Bronze Age rings, ribs, and axe blades from Central Europe. We calculate the degree of uniformity on the basis of psychophysics, and quantify this using similarity indexes. The analysis shows that 70.3% of all rings could not be perceptibly distinguished from a ring weighing 195.5 grams, indicating their suitability as commodity money. Perceptive weight equivalence is demonstrated between rings, and a selection of ribs and axe blades. Co-occurrence of these objects evidences their interchangeability. We further suggest that producing copies of rings led to recognition of weight similarities and the independent emergence of a system of weighing in Central Europe at the end of the Early Bronze Age.

Suggested Citation

  • Maikel H G Kuijpers & Cătălin N Popa, 2021. "The origins of money: Calculation of similarity indexes demonstrates the earliest development of commodity money in prehistoric Central Europe," PLOS ONE, Public Library of Science, vol. 16(1), pages 1-16, January.
    • Handle: RePEc:plo:pone00:0240462
    DOI: 10.1371/journal.pone.0240462
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    Cited by:

    1. Robert M. Rosenswig, 2024. "Understanding money; Or, why social and financial accounting should not be conflated," Economic Anthropology, Wiley Blackwell, vol. 11(1), pages 71-86, January.

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