1.   But the negative savings rate that has buoyed growth also concerns economists who fear consumers may be spending too much to maintain their lifestyles.

2.   Economists are concerned that rising wages and low unemployment could set off faster inflation and prompt the Federal Reserve to raise benchmark lending rates.

3.   In the autumn, many economists were concerned that low unemployment would boost inflation rates, said Carol Stone, senior economist at Nomura Securities in New York.

4.   The prospect of thousands of unemployed New Yorkers suddenly losing their income is alarming food banks and social service agencies, and concerning economists who track the region.

5.   What concerns economists is that if the real does not stabilize, Brazil may be forced to abandon its fixed currency system and allow it to plunge.

6.   After more than a year of recessionary belt-tightening, South Koreans are buying cars, clothes and household goods again, and that has some economists concerned.

7.   Economists are concerned that if the employment picture worsens, consumers might sharply cut spending and tip the economy into a recession.

8.   The sputtering labor market concerns economists because consumers might cut spending sharply and tip the country into recession.