Pessimists will note that 500bn euros is about enough to keep Italy afloat for 14 months.
Nor is the bold Mortier course driving off private sponsors, as many pessimists predicted.
Pessimists say any agreement will be negated by the compromises needed to win universal approval.
Professional pessimists will no doubt point out that Japan has now endured two lost decades.
This ideologically diverse group is made up of cultural pessimists, environmentalists, traditionalists, egalitarians and technophobes.
During the Great Moderation, right-wingers were generally economic optimists and left-wingers tended to be economic pessimists.
The gap between optimists and pessimists over Russia, always big, is thus widening again.
For reasons to be explained shortly, they are much closer to being right than the pessimists.
But pessimists worry that Mr Brown's funding formula encourages the old and wrong approach.
The test may also reflect more local confidence in South Africa than the pessimists expected.
It turns out that the U.S. current account deficit has been easier to finance than pessimists think.
Optimists and pessimists have been battling it out since the Carter malaise era of the late 1970s.
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Pessimists worry that Saudi Arabia's giant fields could decline rapidly before any new supply is brought online.
Ciena also has some appealing value characteristics, though pessimists could still argue that it's a bloated beast.
Pessimists point to 1931-35, when dividends per share in America fell by 45% from peak to trough.
Slow growth and gradually higher saving is a less dramatic outcome than either the pessimists or optimists predict.
The pessimists said it was simply impractical to bring complicated drug regimens into poor regions with little infrastructure.
The pessimists who claim that innovation is dead and that mankind is doomed are dead wrong (pun intended).
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Pessimists worry that the descent to that point may do serious and lasting damage to the financial system.
Sentiment about export prospects was even gloomier: pessimists outnumbered optimists by 48%, the biggest margin since July 1980.
Africa-pessimists are quick to belittle all this pan-African institution-building, and it is easy to point to the failures.
Bonn pessimists still say the government in Berlin will in time suck in the people it left behind.
To pessimists that means Blockbuster can't grow its way out of its problems.
These weaknesses may play to pessimists' fears, but at least for now the optimists have something to cling to.
Japan's monthly survey of consumer confidence showed pessimists slightly outnumbering optimists in May.
Predictably, pessimists are now coming forth with parallels between those years and 2008.
Nonsense, argues Peter Odell, a grand old man of oil forecasting who proved wrong the pessimists of the 1970s.
Trade will continue on Wall Street, as optimists and pessimists place their bets on both sides of the market.
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Pessimists counter that, though Mr Mboweni is clever, he lacks any relevant experience.
Pessimists expect a technical disaster comparable to Germany's ill-fated road-toll system for lorries.
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