Marshall’s grand plan applies to Ukraine

The west will have to co-operate to stop Putin and should do so now, writes Anders Aslund

The myopic western view of China’s rise

The reforms that count tend to conform to the western model, writes Martin Jacques

Live while we can and put ambition on ice

A get-to-the-top-fast mentality is out of sync with the other end of our lives, says Jody Greenstone Miller

A modern plague spread by love and fear

Vaccines and experimental drugs are not likely to save west Africa from Ebola, says Wendy Orent

Obama’s moonshot probes our minds

It is our brains that make us who we are today and shape who we will become, says Anjana Ahuja

A challenge to the old guard of finance

The IMF’s is able to assess countries’ financial and macroeconomic policies, writes Eswar Prasad

Energy policy should listen to the market

Politicians think they know the answers – and leave consumers paying, writes Dieter Helm

Kim’s ‘discomfort’ is ours as well

Through his temporary disappearance, North Korea’s leader has enticed others to engage with him, says Kurt Campbell

UK banks should have fewer complaints

Reform will have a positive impact on the City’s reputation as a banking centre, says Philip Augar

Russia cannot stand low oil prices forever

The government will have either to cut spending or raise taxes, writes Sergei Guriev

Oil gush keeps prices low as fear is high

Geopolitical risk has coincided with a surplus of oil, writes Daniel Yergin

Tobacco killjoys are the unhealthy ones

Spiteful restrictions mean any place meant for pleasure is now off-limits, writes David Hockney

UK needs a party for cosmopolitan values

London is threatened by anti-immigration bile and anti-Europe dogma, says Ian Birrell

Beware of calls for QE4

US revival defies Washington’s sclerosis

Local leadership and private enterprise dwarf the capital’s impact, writes Roger Altman

The markets are right to be anxious

The US no longer controls its own destiny nor, indeed, the destiny of others, writes Stephen King

Living in a new industrial revolution

Nothing changes the world like technology. Here’s why I’m optimistic

Latin America is plagued by incumbents

Term limits are moving to eternal presidential tenures, says Daniel Lansberg-Rodriguez

Catalonia needs Spain and vice versa

No influence has ever gone in only one direction; nothing is clear-cut, writes Antonio Muñoz Molina

UK tax cuts are just what we don’t need

The financial crisis turned a smart idea into a regressive own goal, writes Giles Wilkes

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