Paul Krugman was just awarded the Nobel Prize in the field of Economics.
In 1978, he wrote a 15-page paper. From the abstract:
This paper 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?
princeton.edu/~pkrugman/inte...
(Warnings: PDF file; Total nerd-fest)
