We propose that weather conditions can influence consumers’ engagement in lottery play. A longitudinal study on the extent of lottery play in Belgium shows that lottery expenditures are indeed higher after reduced exposure to sunshine, even after controlling for people’s inertia,...

The present paper shows that people’s compliance with a request can be substantially increased if the requester first gets them to agree with a series of statements unrelated to the request, but selected to induce agreement. We label this effect the ‘mere agreement effect’, and present a...