This downward pressure on prices has allowed Western central banks to follow expansionary monetary policies, underpinning higher employment and growth.

In particular, expansionary monetary policies in the US (indeed, in all advanced countries) are generating high risks for emerging economies.

To offset the negative impact of private sector deleveraging on growth, the US government has maintained expansionary fiscal and monetary policies.

In particular, expansionary monetary and fiscal policies which are helpful in the short term must be accompanied by fundamental structural reforms.

Some will say that he should get G 20 countries to coordinate an orderly exit from their expansionary monetary and fiscal policies.

Expansionary monetary policy in such an environment might fail.

More importantly, countries could use similar instruments, as part of a true international regulatory regime, to increase the effectiveness of their expansionary monetary policies.

All of this is happening in the midst of extremely expansionary monetary policies and near zero interest rates, except in the countries facing immediate crisis.

To rein in rising house prices and pre empt the inflationary impact of the strongly expansionary fiscal and monetary policies implemented during the global financial crisis, China s monetary authorities began to tighten financial conditions in January 2010.

I have been arguing for four years that our business cycle problems call for more aggressively expansionary monetary and fiscal policies, and that our biggest problems would quickly melt away were such policies to be adopted.

Countries running surpluses must adopt expansionary policies and appreciate their currencies.

The US Federal Reserve s Ben Bernanke, the Bank of England s Mervyn King, and the European Central Bank s Jean Claude Trichet will each decide when and how to reverse their expansionary monetary policies.

It also lowered long term interest rates in the US and made monetary conditions there more expansionary.

The Fed was right to adopt new expansionary monetary measures in the face of a weak US recovery.

Go to Seoul or Brasilia, and you will hear complaints about the US Federal Reserve s hyper expansionary monetary policies, which are leaving emerging markets awash in hot money and raising the specter of asset bubbles.

Consider monetary and fiscal policies.

Expansionary monetary policy is expected to inject liquidity into the Japanese economy until inflation hits the Bank of Japan s 2 target, while expansionary fiscal policy is expected to continue until economic recovery takes hold.

Northern European countries, which have ample room to increase wages and implement expansionary policies, must do so.

The early 2012 upturn in US economic activity still owes a lot to extraordinarily expansionary monetary policy and unsustainable fiscal deficits.

The problem comes when expansionary monetary policy via standard open market operations and central bank guarantees of orderly markets prove insufficient.

The economy is weak, but the Bank of Japan (BOJ) cannot make monetary policy much more expansionary than it already is.

In both cases, it is claimed that further expansionary asset provision policies run the risk of igniting inflation.

With a large output gap and low inflationary pressure, expansionary policies show great potential for reviving economic activity.

That in itself may have a depressing effect on the economy, partly offsetting the monetary stimulus. Indeed, it may be one reason why highly expansionary policies by the Fed and other central banks have taken so long to generate growth.

One can imagine a grand bargain in Europe, with expansionary macroeconomic policies coupled with the easing of microeconomic impediments.

While expansionary policies have succeeded in ensuring a V shape recession, their medium and long term effects are worrisome.

With the government still having room to wield expansionary monetary and or fiscal policy, the economic revival was only a matter of time.

LONDON Over the last decade, America s expansionary monetary policy and China s rapid growth have been the two key drivers of global financial flows.

To combat the effect of high oil prices, consuming countries adopt expansionary economic policies, lowering interest rates and increasing government spending.

Most booms are produced by bad monetary and fiscal policies.

All of this is happening in the midst of extremely expansionary monetary policies and near zero interest rates, except in the countries facing immediate crisis. Structural concentration of incomes at the top is combining with easy money and a chase for yield, driving equity prices upward.

CAMBRIDGE The United States current fiscal and monetary policies are unsustainable.

The United States, by contrast, has pursued expansionary and growth oriented macroeconomic policies since the 2007 2009 financial crisis, despite massive budget deficits.

Markets also welcome the fact that the Fed s hyperactive experimentation is forcing other central banks around the world to pursue more expansionary policies.

Today, as all major developed economies resort to expansionary monetary policy, the global economy is being flooded with excess liquidity, and a currency war is looming large.

It argued for more expansionary macroeconomic policies to generate employment, public sector investments to serve the poor, and the establishment of social protection systems.

First, consumption has to give way smoothly to investment, as past excess capacity is worked off and as expansionary policies in industrial countries normalize.

A common currency requires unified and centrally agreed monetary and fiscal policies.

Diametrically opposed spending, tax, monetary, and regulatory policies and proposals are proliferating.

Ninth, QE and other unconventional monetary policies can have serious unintended consequences.

Monetary and fiscal policies cannot be expected to turn this situation around.

(g) International Monetary Fund The relevance of national policies to promote growth

BEIJING China s Central Economic Work Meeting, comprising top government decision makers, recently chose to continue the expansionary fiscal and monetary policy launched in the last quarter of 2008.

At the same time, emerging markets would gain the full benefits of expansionary monetary policy in the US, to the extent that it boosts demand for their exports.

Thus, expansionary monetary policy via standard open market operations by a central bank is the first item on the checklist of what to do in a financial crisis.