>Yes, but there are also "rent factors" on international markets related to
>the differing productivities of labor among capitalist firms. How can one
>observe and measure the international redistribution of value and surplus
>value at the level of aggregation of a single capitalist economy?
>
You can start by looking at the trade surplus/deficit.
Paul Cockshott
wpc@cs.strath.ac.uk
http://www.cs.strath.ac.uk/CS/Biog/wpc/index.html