Price indexes provide the fundamental building blocks for measuring the general price level along with real incomes and real output. But the most important single price index for the United States, the CPI, has been criticized as significantly underestimating the pace of quality change. This...

My purpose here is to provide a non-technical introduction to the economics of climate change. I will sketch the scientific background and uncertainties, survey the results of existing studies of the impacts of climate change, present a summary of a study of efficient policies to slow global...