Some have proposed a parallel scheme in which the government would take shares (or warrants) in troubled banks, if necessary, to build up their capital.

ECONOMIST: Financial crisis

This will not mean scrapping the current national tests - as the pilot scheme will continue in parallel with the present testing system.

BBC: NEWS | UK | Education | School tests to face shake-up

Even Mr. Perry's declaration that Social Security is a "Ponzi scheme, " much discussed in Monday's debate, has a parallel in the 1980 campaign.

WSJ: Doubts About Perry Echo Those Faced by Reagan

Today, under a trial scheme, MPs use a Grand Committee Room off the hall (a) to hold debates in parallel with the House of Commons, while the main hall is often used for public ceremonies and displays.

BBC: WESTMINSTER HALL

This sort of pyramid scheme, with those lower in the reporting chain kicking up a portion of their haul, has no parallel in the service sector.

FORBES: Tips and Bribes: Not the Same Thing