Krugman wrote this column in reponse Bush's original proposal for SS "personal accounts," and it is every bit as relevant now as it was then. If you haven't read Krugman's book The Great Unraveling, I highly recommend you do.---snip---
Social Security as we know it is a system in which each generation's payroll taxes are mainly used to support the previous generation's retirement. If contributions from younger workers go into personal accounts instead, the problem should be obvious: who will pay benefits to today's retirees and older workers? It's just arithmetic: 2-1=1. So privatization creates a financial hole that must be filled by slashing benefits, providing large financial transfers from the rest of the government or both.
During the 2000 election campaign, George W. Bush was able to get away with the nonsensical claim that private accounts would not only yield high, low-risk returns, but save Social Security at the same time. For whatever reason, few reporters pointed out that he was claiming that 2-1=4. But when it came time to produce concrete plans, the arithmetic could no longer be avoided.
Sure enough, the plans laid out by Mr. Bush's Commission to Strengthen Social Security, though presented as confusingly as possible, involve both severe benefit cuts and huge "magic asterisks," infusions of trillions of dollars from an undisclosed location. The extent of the damage is documented in a new Center on Budget and Policy Priorities report by Peter Diamond of the Massachusetts Institute of Technology and Peter Orszag of the Brookings Institution. (Mr. Diamond, who is one of the world's most eminent economists, and is arguably the world's leading expert on retirement systems, was my colleague when I taught at M.I.T.)
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As the facts about Social Security privatization gradually emerge, the general strategy of the privatizers seems to be to keep the public confused as long as possible. Indeed, Republicans are now being told to deny that personal accounts — which expose their owners to all the risks of any private investment — constitute "privatization." "Do not be complicit in Democratic demagoguery," urges one party memo. So it looks like a duck and walks like a duck, but it isn't a duck — not until after the next election.
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Read more:http://www.ourfuture.org/issues_and_campaigns/socialsecurity/resources/op_eds/readarticle235.cfm