Occasionally, Columbia professors break the monotony of Honesty Policy regurgitation to add a little spice to the first lecture of the semester.  Here are this term’s quips: Xavier Sala-i-Martin, Intermediate Macroeconomics “Empirical evidence suggests that people die.” “There is one big difference between Microeconomics and Macroeconomics, and that is that Macroeconomics is useful.” “Let me […]