• Ddhuud@lemmy.world
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    1 year ago

    They haven’t been paying attention for long enough to make such a prediction.

    The waist height vs time function is approachable to a sinusoidal function with a period of about 20 years.

    • akilou@sh.itjust.works
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      1 year ago

      This is the correct answer. It’s sinosoidal and the frequency has to stay low enough that the time between peaks and troughs will necessitate that people continuously buy jeans and can’t reuse the ones from the prior peak or trough.