Solving this crisis will ultimately depend on governments making a credible commitment to closer economic integration - credible because their people accept it.

BBC: No plan yet for the eurozone

If the euro area's governments make a credible commitment to repair their finances over the medium term, Mr Trichet should in return offer them the reward of an accommodating monetary policy.

ECONOMIST: Trichet's cachet | The

If the Fed had a standing, credible commitment to keeping nominal incomes growing at 5.5 percent in 2008-2010, speculators would have effectively helped the Fed achieve its goal by buying up assets before they fell too far, in expectation that future Fed intervention would cause those asset values to rise again.

FORBES: Central Banks Are Never "Out of Ammunition"

Did he make a firm and credible ironclad commitment not to default to our creditors, our warriors, and our seniors?

FORBES: Obama's Default: Taking The "Closing The Washington Monument" Maneuver Thermonuclear

So for neo-chartalism to work as intended, budget-makers must both tighten policy once demand has been restored and inflation threatens and also be credible in their commitment always to do so.

ECONOMIST: Heterodox economics

Eswar Prasad of the Brookings Institution believes the commitment to reform is credible.

ECONOMIST: The G20 in London

But only to a credible challenge based on a determined commitment to high growth and a savvy plan to bring it about.

FORBES: 5% Growth: Not Magical Unicorns, The Return of Gazelles

Can any future fiscal commitment by politicians be credible, since they can always use a change in circumstances (or electoral pressure) to weasel out of their pledges?

ECONOMIST: The dilemmas facing policymakers

We stand by the Doha Development Agenda and reaffirm our commitment to pursue fresh, credible approaches to furthering trade negotiations at the World Trade Organisation (WTO), with an emphasis on specific areas where progress is most likely in the near term.

WHITEHOUSE: Joint Statement of the 4th ASEAN-U.S. Leaders' Meeting

The contrast is significant enough to provide credible assurances to the public that the current commitment to transparency is unstinted.

FORBES: An Immodest Proposal to Spur Nuclear Energy Industry Growth -- and Global Safety