arXiv subjects

Mats Ekman

Publications and source records attributed to Mats Ekman.

3 recordsLinked to original sources

arXiv2026

Labor Supply under Temporary Wage Increases: Evidence from a Randomized Field Experiment

We conduct a pre-registered randomized controlled trial to test for income targeting in labor supply decisions among sellers of a Swedish street paper. Unlike most workers, these sellers choose their own hours and face severe liquidity constraints and volatile incomes. Treated individuals received a 25 percent bonus per copy sold for the duration of an issue, simulating an increase in earnings potential. Consistent with standard labor supply theory, they sold more papers and, by our measures, worked longer hours and took fewer days off. These findings contrast with studies on intertemporal labor supply that find small substitution effects.

econ.GN↗

arXiv2023

When do Default Nudges Work?

Nudging is a burgeoning topic in science and in policy, but evidence on the effectiveness of nudges among differentially-incentivized groups is lacking. This paper exploits regional variations in the roll-out of the Covid-19 vaccine in Sweden to examine the effect of a nudge on groups whose intrinsic incentives are different: 16-17-year-olds, for whom Covid-19 is not dangerous, and 50-59-year-olds, who face a substantial risk of death or severe dis-ease. We find a significantly stronger response in the younger group, consistent with the theory that nudges are more effective for choices that are not meaningful to the individual.

econ.GN↗

arXiv2022

Vaccination nudges: A study of pre-booked COVID-19 vaccinations in Sweden

A nudge changes people's actions without removing their options or altering their incentives. During the COVID-19 vaccine rollout, the Swedish Region of Uppsala sent letters with pre-booked appointments to inhabitants aged 16-17 instead of opening up manual appointment booking. Using regional and municipal vaccination data, we document a higher vaccine uptake among 16- to 17-year-olds in Uppsala compared to untreated control regions (constructed using the synthetic control method as well as neighboring municipalities). The results highlight pre-booked appointments as a strategy for increasing vaccination rates in populations with low perceived risk.

econ.GN↗