In recent years, work time in many industries has become increasingly flexible. A new GLO Discussion Paper studies the resulting consequences for intertemporal substitution in individual households.
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GLO Discussion Paper No. 493, 2020
Flexible Work Arrangements and Precautionary Behavior: Theory and Experimental Evidence – Download PDF
by Orland, Andreas & Rostam-Afschar, Davud
GLO Fellow Davud Rostam-Afschar
Abstract: In the past years, work time in many industries has become increasingly flexible opening up a new channel for intertemporal substitution. To study this, we set up a two-period model with wage uncertainty. This extends the standard savings model by allowing a worker to allocate a fixed time budget between two work-shifts or to save. To test the existence of these channels, we conduct laboratory consumption/saving experiments. A novel feature of our experiments is that we tie them to a real-effort style task. In four treatments, we turn on and off the two channels for consumption smoothing: saving and time allocation. Our four main findings are: (i) subjects exercise more effort under certainty than under risk; (ii) savings are strictly positive for at least 85 percent of subjects (iii) a majority of subjects uses time allocation to smooth consumption; (iv) saving and time shifting are substitutes, though not perfect substitutes.
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