@article{blanchard_galí_2007, 
  title={The Macroeconomic Effects of Oil Price Shocks: Why are the 2000s so Different from the 1970s?}, 
  DOI={10.2139/ssrn.1008395}, 
  publisher={Elsevier BV}, 
  author={Blanchard and Galí}, 
  year={2007}
  }