Robert Zoellick

Japan rose from the ashes of World War II as a 'trading state,' the model for export-led growth. It is not clear that the old export model of growth will be sustainable in a more 'balanced' global economy that does not rely so heavily on the U.S. consumer.

It is much harder for economies to prosper if they cannot sell to, buy from, invest with, and even transit their neighbors. Landlocked countries with failed or failing neighbors can lose access to the world economy.