Krugman: Can Japan pull it off?

Can Japan actually end decades of deflation?

Paul Krugman examines former Bank of England Monetary Policy Committee member Adam Posen's attempts to square the circle between his support for expansionary fiscal stimulus in Britain — where it hasn't happened — and opposition to the same in Japan — where it is apparently about to begin.

Posen wrote, in the Financial Times, that:

Mr Abe’s new fiscal stimulus initiative is therefore questionable. Not because another 2 per cent of GDP will be the proverbial tipping point on Japanese debt sustainability, for the factors protecting Japan from overt fiscal crisis remain. Nor because it will be ineffective; if anything, when combined with monetary expansion and a likely consumption tax rise in the near future, I expect its multiplier and thus short-run impact to be high.

The additional stimulus in Japan is counterproductive because it adds to the long-term costs without addressing Japan’s real problem: a return to deflation and an overvalued exchange rate.

Krugman is "a bit puzzled". He agrees that deflation is Japan's problem, because deflation forces short-term interest rates to bump against the lower bound. Since interest rates can't go below zero, that is, they are forced to remain slightly positive. That means that real interest rates — the nominal interest rate plus inflation — are forced to be significantly higher under deflation than they would be with mildly positive inflation, reducing the effectiveness of monetary policy.

So far, so macroeconomics 101. Where Krugman disagrees with Posen is how to break out of the deflation trap. Posen argues that unconventional monetary policy — quantitative easing and the like — can be enough. It's a monetary problem, so it ought to have monetary solutions. But Krugman argues that there may be a better way:

The credibility of a higher inflation target in the face of the deflationary bias of central bankers may well be best established by (a) reducing the central bank’s autonomy and (b) getting the central bank in the business of supporting — indeed, monetizing — government deficits, at least for a while. Gauti Eggertsson made this point long ago (pdf), pointing to Japan’s successful polices in the first half of the 30s as a clear example. Indeed, Gauti argued that having a large government debt can be a real advantage in such circumstances: efforts to raise expected inflation gain extra credibility if the government would clearly benefit in fiscal terms, and the central bank is sufficiently subordinated to elected officials that investors believe that it will take these fiscal benefits into account.

In other words, it all comes back to the question of central bank independence. If the government destroys that independence (even if it does it for paleo-conservative, nationalistic, reasons), and engineers a situation where inflation would make it better-off, then inflation expectations can be raised far higher than an independent central bank could ever do alone. Especially one which has so consistently failed to reverse the trend as the national bank of Japan.

Visiting Japanese Prime Minister Shinzo Abe speaks during a joint press conference held after official talks with his Vietnamese counterpart. Photograph: Getty Images

Alex Hern is a technology reporter for the Guardian. He was formerly staff writer at the New Statesman. You should follow Alex on Twitter.

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Ansbach puts Europe's bravest politician under pressure

Angela Merkel must respond to a series of tragedies and criticisms of her refugee policy. 

Angela Merkel, the Chancellor of Germany, is supposed to be on holiday. Two separate attacks have put an end to that. The first, a mass shooting in Munich, was at first widely believed to be a terrorist attack, but later turned out to be the actions of a loner obsessed with US high school shootings. The second, where a man blew himself up in the town of Ansbach, caused less physical damage - three were seriously injured, but none killed. Nevertheless, this event may prove to affect even more people's lives. Because that man had come to Germany claiming to be a Syrian refugee. 

The attack came hours after a Syrian refugee murdered a pregnant Polish woman, a co-woker in a snack bar, in Reutlingen. All eyes will now be on Merkel who, more than any other European politician, is held responsible for Syrian refugees in Europe.

In 2015, when other European states were erecting barriers to keep out the million migrants and refugees marching north, Merkel kept Germany's borders open. The country has resettled 41,899 Syrians since 2013, according to the UNHCR, of which 20,067 came on humanitarian grounds and 21,832 through private sponsorship. That is twice as much as the UK has pledged to resettle by 2020. The actual number of Syrians in Germany is far higher - 90 per cent of the 102,400 Syrians applying for EU asylum in the first quarter of 2016 were registered there. 

Merkel is the bravest of Europe's politicians. Contrary to some assertions on the right, she did not invent the refugee crisis. Five years of brutal war in Syria did that. Merkel was simply the first of the continent's most prominent leaders to stop ignoring it. If Germany had not absorbed so many refugees, they would still be in central Europe and the Balkans, and we would be seeing even more pictures of starved children in informal camps than we do today. 

Equally, the problems facing Merkel now are not hers alone. These are the problems facing all of Europe's major states, whether or not they recognise them. 

Take the failed Syrian asylum seeker of Ansbach (his application was rejected but he could not be deported back to a warzone). In Germany, his application could at least be considered, and rejected. Europe as a whole has not invested in the processing centres required to determine who is a Syrian civilian, who might be a Syrian combatant and who is simply taking advantage of the black market in Syrian passports to masquerade as a refugee. 

Secondly, there is the subject of trauma. The Munich shooter appears to have had no links to Islamic State or Syria, but his act underlines the fact you do not need a grand political narrative to inflict hurt on others. Syrians who have experienced unspeakable violence either in their homeland or en route to Europe are left psychologically damaged. That is not to suggest they will turn to violence. But it is still safer to offer such people therapy than leave them to drift around Europe, unmonitored and unsupported, as other countries seem willing to do. 

Third, there is the question of lawlessness. Syrians have been blamed for everything from the Cologne attacks in January to creeping Islamist radicalisation. But apart from the fact that these reports can turn out to be overblown (two of the 58 men arrested over Cologne were Syrians), it is unclear what the alternative would be. Policies that force Syrians underground have already greatly empowered Europe's network of human traffickers and thugs.

So far, Merkel seems to be standing her ground. Her home affairs spokesman, Stephan Mayer, told the BBC that Germany had room to improve on its asylum policy, but stressed each attack was different. 

He said: "Horrible things take place in Syria. And it is the biggest humanitarian catastrophe, so it is completely wrong to blame Angela Merkel, or her refugee policies, for these incidents." Many will do, all the same.