The theory of interstellar trade is a well-understood topic, with an extensive literature consisting of one paper (pdf) I wrote in 1978. Interstellar finance, however, is less well covered.

That’s all about to change, however. I’m reading an advance copy of Charlie Stross’s Neptune’s Brood. (Hey, I have connections!) And it is the best thing by far written on the subject to date, partly because it is, as far as I know, the only thing written on the subject to date.

It’s also a fantastic novel.

http://krugman.blogs.nytimes.com/2013/05/20/the-theory-of-interstellar-finance/