Production from zero marginal cost solar panels reduces the amount of energy produced by fossil-fuel-fired power plants during the day. Yet, we find that the operating profits earned by fossil-fuel plants in Western Australia increased by 15% coincident with the doubling of rooftop solar...

The case for policy intervention in social or economic problems should be based on incidence, severity and persistence of the problem. In this article, we show the usefulness of panel data in this regard by comparing preferred working hours to actual working hours, and examining the degree of...