Chicago Fed Letter

• The State of Our Interstates
  Jeffrey R. Campbell, Thomas N. Hubbard | 2009 | No. 264 | July
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Working Papers

• The Economics of 'Radiator Springs:' Industry Dynamics, Sunk Costs and Spatial Demand Shifts
  Jeffrey R. Campbell, Thomas N. Hubbard | 2009 | No. 2009-24 | December
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