The Theory of Interstellar Trade

  title={The Theory of Interstellar Trade},
  author={P. Krugman},
  journal={Wiley-Blackwell: Economic Inquiry},
  • P. Krugman
  • Published 2010
  • Economics
  • Wiley-Blackwell: Economic Inquiry
  • This article extends interplanetary trade theory to an interstellar setting. It is chiefly concerned with the following question: how should interest charges on goods in transit be computed when the goods travel at close to the speed of light? This is a problem because the time taken in transit will appear less to an observer traveling with the goods than to a stationary observer. A solution is derived from economic theory, and two useless but true theorems are proved. (JEL F10, F30) 
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