Truman has some additional "Reflections on Reserve Management and Inernational Monetary Cooperation" in remarks he delivered at a World Bank/Bank of International Settlements Conference earlier this month. I saw the talk posted at the website of the Peterson Institute for International Economics. Truman compiled a useful table to show the rise in such reserves: here, I'll give a trimmed-down version of the table, along with some of the main patterns as I see them.
Here are a few of the patterns that jump out at me from the table.
1) International reserves have grown dramatically since 1990, and expecially since 2000, rising from $2.3 trillion in 2000 to $12.1 trillion in 2011. To put it another way, international reserves were equal to roughly one-third of world trade in 1990 and 2000, but equal to about two-thirds of world trade in 2011.
2) Most of this increase in reserves has come from the emerging and developing economies. The share of world reserves held by advanced economies was about 80% from the 1960s up through about 1990, but since then has plummetted to 40%. For the emerging and developing countries, their total reserves were about one-third of their trade from 1960 up through about 1990, but hen rose to half of their volume of trade by 2000 and to 104% of their trade volume by 2011.
3) Countries used to hold their reserves in the form of gold, but now are more likely to hold their reserves in the form of foreign exchange. Back in 1960, the advanced economies held 70% of their reserves in the form of gold, and the emerging/developing countries held 44% of their reserves in the form of gold. In the last decade or so, advanced economies had 70-80% of their reserves in foreign exchange, and emerging/developing countries had 94% of their reserves in foreign exchange. (I trimmed from the table two relatively small categories of how reserves are held: special drawing rights and reserve position at the IMF.)
Truman offers a useful decade-by-decade sketch of how international reserves have evolved since the 1960s. For the most recent decade, Truman points out:
"The increased wealth in the hands of more and more governments has raised new concerns about the motivations, accountability, and transparency of the managers of that wealth. ... [E]nhancement of cooperative arrangements in this area is falling behind the need for them in the face of the explosion of the size and number of significant public investors, bringing in many non-traditional investors. This is a global issue. The notion that a country’s public investments are the exclusive concern of the country itself is analytically wrong and fundamentally dangerous. Two countries (at least) share an exchange rate. Similarly, two countries (at least) share the effects of cross-border public investments. ... The alternative to increased cooperation on public sector investment policies is a currency war. ... The greater risk is that restrictions and barriers will increase affecting not only cross-border official investments, but all cross-border financial transactions. Once we start down that path, a trade war would not be difficult to envisage, and the consequences for global growth and stability could be severe."
My own sense is that discussions of international reserves often seem to be deeply boring (if it's possible for discussions of $12.1 trillion to be boring!), but these financial flows are enormous enough to rock the world economy, and their management and purpose are often obscure. I suspect that, perhaps sooner rather than later, the ways in which these funds are managed and the choices they make will be the source of very prominent and not-at-all boring political and economic conflict.
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