IV

[floswald]

• http://pricetheory.uchicago.edu/levitt/Papers/LevittUsingElectoralCycles1997.pdf
• http://economics.mit.edu/faculty/acemoglu/data/ajr2001
• http://economics.mit.edu/files/18

[floswald]

• write intro based on john snow using
• http://people.stern.nyu.edu/wgreene/Econometrics/Cholera-IV-Study.pdf
• https://link.springer.com/article/10.1007/s10742-007-0023-6
• deaton (1997) and freedman (1991) both on john snow and IV
• http://economics.mit.edu/files/18