Economic imbalances are a recurring theme in discussions about prospects for the world economy. We link here to a recent lecture given at Gresham's College on some of the consequences of growing divergences between nations that are net savers and countries that are net debtors.

This lecture will look at the world surplus of savings as incomes gradually shift proportionally towards those who traditionally save a high proportion of their earnings and away from those who traditionally spend most of what they earn. In theory, the excess savings should be matched by higher investment. In practice this is not happening.

Gross National Saving (% of GDP)

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