Many believe dysfunctional behaviour in finance is due solely to distorted incentives

German Bundesbank president Jens Weidmann: argued “it is fanciful to believe that monetary policy tools can sustainably lift the growth potential of an economy”. Photograph: Krisztian Bocsi/Bloomberg

Opinion: Germany must think big and broaden its outlook

The decline in oil prices should be helpful to the world economy, albeit with caveats. Photograph: Getty/iStockphoto

The decline in the value of cude should help the world’s economy . . . to an extent

Shibuya Crossing in Tokyo. Demand deficiency syndrome has afflicted Japan since the early 1990s and the US, euro zone and UK since 2008 at the latest. Photograph: Getty Images/Flickr RM

Opinion: policymakers need to eliminate dependence on unsustainable credit

A man walks past a restaurant in the Dotonbori amusement district of Osaka,  Japan, yesterday. The difficulties caused by fiscal austerity have become particularly evident in Japan and the euro zone. Photograph: Reuters

Feeble economic performance has occurred despite the most aggressive monetary policies in history

‘Atmospheric concentrations of greenhouse gases are at levels not seen in at least 800,000 years. In addition, human-caused emissions of such gases have risen consistently.’ Photograph: Getty Images/iStockphoto

Opinion: Republican wins in US midterms have implications for humanity

Haruhiko Kuroda, governor of the Bank of Japan, points to a sign as he speaks during a news conference at the central bank’s headquarters in Tokyo yesterday.  Photograph: Bloomberg

Monetary Policy Committee divided over quantitative easing policy

Following the stress tests, the European Central Bank concluded that 25 institutions, nine of them Italian, would need to add a total of €25 billion in capital. Photograph: Ralph Orlowski/Reuters

Tests are not a complete fix for banking sector, still less for economy’s wider problems

Bundesbank president Jens Weidmann. With conventional monetary policy at its limits, the choice is between unconventional monetary policy or expansionary fiscal policy. Germany is extremely uncomfortable with both. Photograph: Ciro De Luca/Reuters

Opinion: zone needs to reach deal between more reform and more demand

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