Demographers and geographers attribute the slowing largely to the recession, which has hit California particularly hard, leaving its once-robust economy to bring up the rear of the national recovery.

• 人口学家和地理学家把缓慢的情形都归咎于不景气，加州情形尤为严重，以致加州一度蓬勃的经济竟然在全国复苏中落在各州之后。