The disquiet that was expressed by IMF Managing Director Horst Kohler about the euro, followed later in the week by co-ordinated action to prop up the currency, was a sign of the worries shared now by all countries - about the possible consequences of sharp changes in exchange rates for world growth.
Mostly, these are natural fluctuations, but particularly sharp and regular changes might signify a planet passing in front of a star.
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We think the August credit market changes caused a sharp downward inflection point in credit conditions and the growth outlook.
Appearances aside, it is as distinct from the straightforward parkland layout of Number Two as day is from night, with lots of sharp doglegs, some serious elevation changes, and yes, water hazards.
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In 2007-08 and again in 2010-11, relatively small changes in food markets triggered sharp rises in prices.
Several other market watchers have said recently PGMs could be vulnerable to sharp sell-offs if bullish sentiment changes.
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Yet the changes in the Chinese economy can be sharp and sudden.
Over the long run, sharp traders getting out in front of these forced portfolio changes have poached at least 0.38 percentage point of annual return away from Russell 2000 index funds, estimates a new study in the Journal of Empirical Finance.
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Recent conflicts and rural to urban migration that reduced the population of the region and changes in ways of life have caused a sharp decrease in the number of performers, resulting in the loss of many archaic styles and genres of solo singing.
The researchers said greater public awareness of allergies or changes in the way they were treated are unlikely to be behind the sharp increase.
The changes Mr. Elop will detail at Friday's meeting underscore a sharp reversal of fortune as the market dominance the company has built over the past 20 years quickly crumbles.
Stress tests of the largest 17 commercial banks showed that most of the banks seem resilient to isolated shocks, including a sharp reduction in real estate and other asset values, shifts in the yield curve, and changes in the exchange rate.
And the bottom line is this: The Iranian narrative really does, I think if you do a sharp analysis of this, fall in a quite empty way across the region when compared to the historic changes underway.
Tottenham teenager Ryan Mason, who signed on loan this week for a month, was among six changes to Rovers' starting line-up, with Shelton Martis, Simon Gillett, Martin Woods, Sharp and skipper Brian Stock all returning.
All of these effects caused further sharp distortions in comparing the trends in incomes for top income earners compared to others in the years before the tax changes relative to the years after the tax changes.
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