Using data from the UK Community Life Survey, we present the first study to examine the relationship between heterogeneity in one's friendship network and subjective wellbeing. We measure network heterogeneity by the extent to which one's friends are similar to oneself with regard to ethnicity...

In this paper, our goal is to examine the unit root null hypothesis in energy consumption for Australian states and territory. We consider sectoral energy consumption for Australia and its six states and one territory using time series data for the period 1973-2007. This is the first study that...