Since climate change threatens human wellbeing across the globe and into the future, we require a concept of wellbeing that encompasses an equivalent ambit. This paper argues that only a concept of human need can do the work required. It compares need theory with three alternative approaches....

This paper re-examines Hayek’s insights into the problem of knowledge in markets, and argues that his analysis remains pertinent but has serious flaws. His central thesis—that the market price system is essential for communicating information and coordinating transactions wherever knowledge...