Long term trends in happiness and income are not related; short term fluctuations in happiness and income are positively associated. Evidence for this is found in time series data for developed countries, transition countries, and less developed countries, whether analyzed separately or pooled....

The chapters of this cumulative dissertation contribute to the evidence base on the effect of different policies on decarbonising energy supply, in other words reducing greenhouse gas emissions from energy use while maintaining energy services. The use of fossil fuels is the most important...