Wal-Mart may improve its sales by offering free shipping, but if there is no minimum purchase amount, small value purchases could lead to the retailer bearing higher expenses relative to sales.

FORBES: Web Shopping Gambit Could Bite Wal-Mart

If left unchecked, the problem could lead to failure of the bearing assembly, although related noise and vibration would make this easily detectable by the driver, the company said.

BBC: Mini Classic in safety recall

They conceded that economic factors might have a bearing on crime and conceded that economic downturns do indeed lead to rises in the level of crime.

BBC: Unit 4: Political issues