Covariant Economics

One thing that physicists know is that any good theory should respect some fundamental symmetries. None of these is more sacred than Lorentz covariance - obedience to the special theory of relativity. Perhaps that's one reason physicists have historically been suspicious of economics - it just doesn't look Lorentz covariant.

It's less appreciated, I suspect, that thirty years ago a then little known economics professor took the crucial first steps toward Lorentz covariant economics. This epochal but little known paper by Paul Krugman clearly deserves more attention from economists, physicists and interstellar traders.

The paper: The Theory of Interstellar Trade

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