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Home | Events Archive | The Variability and Volatility of Sleep: An ARCHetypal Approach
Seminar

The Variability and Volatility of Sleep: An ARCHetypal Approach


  • Series
    Health Economics Seminars
  • Speaker
    Gerard Pfann (Maastricht University)
  • Field
    Empirical Microeconomics
  • Location
    Online
  • Date and time

    February 08, 2022
    12:00 - 13:00

Using Dutch time-diary data from 1975-2005 covering over 10,000 respondents for 7 consecutive days each, we show that sleep time exhibits variability and volatility characterized by stationary autoregressive conditional heteroscedasticity: The absolute values of deviations from a person’s average sleep on one day are positively correlated with those on the next day. Sleep is more variable on weekends and among people with less education, who are younger and who do not have young children at home. It is more volatile among men than women, but volatility is independent of other demographic characteristics. A theory of economic incentives to minimize the dispersion of sleep predicts that higher-wage workers will exhibit lesser dispersion, a result demonstrated using extraneous estimates of earnings equations to impute wage rates. Volatility in sleep spills over onto other personal activities, with lesser reverse causation onto sleep. The results illustrate a novel dimension of economic inequality.

Zoom link: https://eur-nl.zoom.us/j/92630529938