An advertisement for Multigrain Cheerios Cereal says: “Studies show that people who eat more whole grain tend to have healthier body weights”.
Well, very clever. Who said that this is causal? This is what we call endogeneity. It is impossible to know what causes what. Usually, people who buy multi-grain cereals are healthier and [...]
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My name is Dany Bahar. I am currently an MPA/ID student at Harvard Kennedy School of Government (class of 2010), and an alumni of the MA in Economics program at the Hebrew University of Jerusalem... 