51.   At the same time, he said, it shows how the labor market is changing in Los Angeles.

52.   At the same time, though, the labor market is reaping the benefits of the massive furloughs that occurred earlier in the decade.

53.   At the same time, the tight labor market is forcing firms to be more flexible in the way they treat the employees they have.

54.   At the time, labor unions said such sanctions were needed to keep illegal immigrants from flooding the labor market and undermining union wages.

55.   At the same time, though, the massive furloughs that occurred earlier in the decade have helped rejuvinate the labor market.

56.   At the upper end of the labor market, black women are advancing more swiftly than black men.

57.   Because of the spectacular growth of the computer and telecommunications industries, many employers are now facing extraordinarily tight labor markets.

58.   Before that, she was on the faculty of the University of California at Berkeley, where one of her specialties was labor markets.

59.   Before joining the Fed, Yellen was on the faculty of the University of California at Berkley, where one of her specialties was labor markets.

60.   Because the labor market lags the rest of the economy, higher unemployment is not unusual at the beginning of a recovery, economists said.