3 ms·

Relevant might be Paul Krugman's college thesis at Princeton, "The Theory of Interstellar Trade"[0] [0] https://www.princeton.edu/~pkrugman/interstellar.pdf ht

• sova 10y ago
  "It is chiefly concerned with the following question: how should interest charges on goods in transit be computed when the goods travel close to the speed of light? This is a problem because the time taken in transit will appear less to an observer travelling with the goods than to a stationary observer. A solution is derived from economic theory, and two useless but true theorems are proved."