The International RBC Model Finally Works! — by Sushant Acharya, Edouard Challe, Louphou Coulibaly
We show that incorporating uninsurable countercyclical income risk into a standard international RBC model can qualitatively and quantitatively account for the quantity puzzles in open-economy macro, namely (i) the Backus-Smith puzzle, (ii) the Backus-Kehoe-Kydland puzzle and (iii) the weak correlation between the trade balance and the exchange rate. We also show that our model can…