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Harvey’s hypercodes and the “Propogram” – More than 24 hours per day?


  • Jonathan Gershuny

    () (Department of Sociology Oxford University)


In the 1980s, Harvey originated the key concept for the representation of multiple simultaneous activities without violating the constraint of the 24-hourday – the "hypercode". This implements his conceptual innovation in the context of childcare, and suggests a means of graphical representation.

Suggested Citation

  • Jonathan Gershuny, 2009. "Harvey’s hypercodes and the “Propogram” – More than 24 hours per day?," electronic International Journal of Time Use Research, Research Institute on Professions (Forschungsinstitut Freie Berufe (FFB)) and The International Association for Time Use Research (IATUR), vol. 6(2), pages 193-199, September.
  • Handle: RePEc:leu:journl:2009:vol6:issue2:p193-199

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    References listed on IDEAS

    1. Jonathan Gershuny & John Robinson, 1988. "Historical changes in the household division of labor," Demography, Springer;Population Association of America (PAA), vol. 25(4), pages 537-552, November.
    2. Kay Axhausen & Andrea Zimmermann & Stefan Schönfelder & Guido Rindsfüser & Thomas Haupt, 2002. "Observing the rhythms of daily life: A six-week travel diary," Transportation, Springer, vol. 29(2), pages 95-124, May.
    3. Andrew Harvey, 1993. "Guidelines for time use data collection," Social Indicators Research: An International and Interdisciplinary Journal for Quality-of-Life Measurement, Springer, vol. 30(2), pages 197-228, November.
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    More about this item


    Time use; childcare; multiple simultaneous activities;

    JEL classification:

    • D10 - Microeconomics - - Household Behavior - - - General
    • J2 - Labor and Demographic Economics - - Demand and Supply of Labor
    • J22 - Labor and Demographic Economics - - Demand and Supply of Labor - - - Time Allocation and Labor Supply


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