# The Theory of Interstellar Trade

@article{Krugman2010TheTO, title={The Theory of Interstellar Trade}, author={P. Krugman}, journal={Wiley-Blackwell: Economic Inquiry}, year={2010} }

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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