The raid resulted in the arrest of two officials in the bank-inspection division on charges of corruption, and it was those charges for which Mr Mitsuzuka so nobly took responsibility.

ECONOMIST: In Japan, he went

Last summer, European enforcers raided the offices of mobile-phone companies, including Britain's Vodafone and a division of Deutsche Telekom, seeking evidence of price-fixing in international roaming charges.

ECONOMIST: Cartels: Fixing for a fight | The

On Tuesday January 6th, Lawrence West of the SEC's enforcement division said the charges could be broadened.

ECONOMIST: Plenty of crying over spilt milk | The