Browsing by Author "Ek, Claes"
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All it takes is one: The effect of weakest-link and summation aggregation on public good provision under threshold uncertainty
Carlsson, Fredrik; Ek, Claes; Lange, Andreas (University of Gothenburg, 2021-11)We report experimental evidence on the voluntary provision of public goods under threshold uncertainty. By explicitly comparing two prominent technologies, summation and weakest link, we show that uncertainty is particularly ... -
Does teaching school children about recycling reduce household waste?
Ek, Claes; Magnus, Söderberg (2020-02)Reduced waste generation is a prioritized environmental policy objective in the EU as well as worldwide. We perform a randomized controlled trial in Sweden with school children aged 10-16 to evaluate an intervention ... -
Norm-based feedback on household waste: Large-scale field experiments in two Swedish municipalities
Ek, Claes Söderberg, Magnus (University of Gothenburg, 2021-05)We conduct separate randomized controlled trials of norm-based feedback nudges on household waste in two municipalities in western Sweden. Our main treatment presents recipients with accurate, household-specific feedback ... -
Serial-correlation-robust power calculation for the analysis-of-covariance estimator
Ek, Claes (2020-06)Ex-ante power calculation is an essential part of the toolkit of experimental economics. In panel experiments, analysis of covariance (ANCOVA) is more efficient than differencein- differences and is often preferred. The ... -
Which type of policy instrument do citizens and experts prefer? A choice experiment on Swedish marine and water policy
Ek, Claes; Elofsson, Katarina; Lagerkvist, Carl-Johan (University of Gothenburg, 2018-11)In the choice between alternative environmental policy instruments, economists tend to favor policies capable of attaining cost-efficiency, but other considerations may be important to stakeholders. We perform a choice ...