In a few corners of the world, debt pressure has pushed up interest rates and generated concern about imminent crisis.
In recent years, the increasing use of mobile phone in adolescents and more recently in children has generated concern about possible health effects of exposure to radiofrequency.
But diesel, which is generating concern about pollution in parts of Europe, where it is a more popular fuel than in America, was marginally cleaner than petrol.
The announcement by Lucent generated concern about its ultimate ability to stave off a cash squeeze, even though the company had about $5.4 billion of cash and short-term investments at the end of the last quarter.
For Mr. Obama, the program is one more inheritance from the Bush administration, which began the effort after the Sept. 11 attacks generated concern about whether presidential helicopters from the 1970s were up to the challenge of terrorist threats.
But the plan by liberal groups to use that decision, Ledbetter v. Goodyear Tire and Rubber Company, as a focus for generating concern about the future of the court was blunted by the rulings in five discrimination cases that favored employees in this term.
Some of his rich bachelor friends have not led celibate lives, and the associations have generated concern about his own activities, as detailed in a Vanity Fair article last year.
"In our view it is a Goldilocks outcome: not overly large as to generate concern about the fragility of the European banking system, but high enough to pre-fund a substantial share of maturing bank debt and spark more buying of Italian and Spanish paper," Martin van Vliet, an economist at ING Bank, said in a note to clients.
To promote the special, Nickelodeon teamed with Mattel to create a preteen Dora doll with new friends called the Dora Links Dolls, which initially generated concern about what an older Dora would look like.
However, reinfusion of stem cells has generated concern about the possibility of rescuing neoplastic cells contaminating the aphereses.
