How the US dollar destabilises the world
A formal agreement between the US dollar and euro, and adoption of currency boards by other countries, could end damaging hot money flows
Karl Schiller, West Germany's economics minister between 1966 and 1972, pithily pronounced that "stability is not everything, but without stability, everything is nothing".
How could this be? In the post-second world war era, the world has been on a US dollar standard and the US Federal Reserve the world's de facto central bank.
But the world's central bank functions, for the most part, as if it were operating in a closed economy - one in which the rest of the world doesn't exist.
The Fed's disregard for the rest of the world results in policies that trigger huge hot-money flows, which create an enormous amount of instability.
Ronald McKinnon captured this picture in his most recent book: