How Globalization Went Pop

Global trade is old — really, really old. But something new is happening to the world economy as software and container trade shrink the globe — the rate of “globalization” is increasing, allowing developing countries to hitch a ride on the capital of advanced economies and race forward.

But how do you measure how fast the world economy has “globalized” in one figure? Perhaps, by borrowing a concept originally developed by physicists known as entropy.