Instrumental Variables

Now that Thanksgiving break has started, I have a bit of time to read things that I have been meaning to read that are not directly related to work. Ha ha ha.... So I read a piece on instrumental variables in econometrics in the Economist. The piece gave me something to think about; I frequently find myself coming across odd data and thinking about the various uses for these odd data as instruments for things. Then I stop myself and get back to work ignoring endogeneity. Thank gosh I am not interested in causal inference......