Proponents of energy service companies (<italic>ESCO</italic>s) argue that these firms provide a crucial instrument for delivering improved energy efficiency in public and private sectors, thus contributing to carbon dioxide (CO₂) emission reduction around the world. Do <italic>ESCO</italic>s reduce CO₂ emissions? To answer this...

This article considers the structural stability of the relationship between the real housing price and real GDP per capita for an annual sample that includes the Great Depression. We test for structural change in parameter values using a sample of annual US data from 1890 to 1952. The article...