Why Economists Disagree–Lessons from Astronomy. Kingston University Becoming an Economist Lecture 1

Economists clearly disagree with each other, in a manner that is quite unlike both the physical sciences and other social sciences. This lecture discusses why this is so, making an analogy to the state of astronomy back at the time of Copernicus and Galileo, where new observations and a new model challenged the view that the Earth was the center of the Universe. I introduce the 8 or so main approaches to economics, from both “Freshwater” and “Saltwater” variants of Neoclassical economics, through to Econophysics