The Appalachian and Other Trails

The search for "robust determinants" has always seemed to me to be wrong-headed. We should be searching for effective policies. And which determinants are "robust" will depend on what other determinants are in the mix. And an effective policy is likely to shift the values of more than one "determinant": Dani Rodrik: "Is 'export sophistication' (as in Hausmann, Hwang, and Rodrik 2007) the only robust determinant of economic growth? Robust, that is, to correcting for endogenity and OVB as best as possible? This new paper from the IMF says yes