Some economists blame speculative transactions such as "naked short selling" for plunging the world economy into a financial crisis.

VOA: standard.2010.05.19

One step that was widely discussed coming into the meeting was a tax on certain bank transactions, commonly called a "bank levy."

VOA: standard.2010.06.05

The other thing is that criminals are very clever. They often insulate themselves by having many different transactions in between where cigarettes are ultimately sold."

VOA: standard.2010.08.11

Donohue was particularly harsh over a proposal by the White House to tax bank transactions in order to recoup some of the money used to bail out troubled banks.

VOA: standard.2010.01.12

They said the emerging sanctions are aimed not at causing added hardship for the North Korean people but blocking illicit transactions supporting Pyongyang's weapons programs and prompting it back to nuclear talks.

VOA: standard.2009.07.15