Japan announces "quantitative and qualitative easing"

¥135trn of government bonds will be bought by the central bank.

The Bank of Japan has announced it is to carry out "quantitative and qualitative easing" in an effort to return inflation to its target rate of 2 per cent in "about two years". In a statement, the bank's incoming governor has said:

In order to do so, it will enter a new phase of monetary easing both in terms of quantity and quality. It will double the monetary base and the amounts outstanding of Japanese government bonds (JGBs) as well as exchange-traded funds (ETFs) in two years, and more than double the average remaining maturity of JGB purchases.

The scale of the easing plan is enormous. The bank currently has ¥135trn of outstanding bonds, and plans to increase that to ¥270trn. That's an easing programme of £1.878trn, compared to the Bank of England's asset purchase programme of £375bn over the last few years.

But the "qualitative" aspect of the easing is even more groundbreaking:

In addition, JGBs with all maturities including 40-year bonds will be made eligible for purchase, and the average remaining maturity of the Bank's JGB purchases will be extended from slightly less than three years at present to about seven years – equivalent to the average maturity of the amount outstanding of JGBs issued.

Increasing the money supply by such a monumental amount is a risky move. The classic equation for money, MV=PY, holds that if the (V)elocity of money – the rate at which money changes hands – stays fixed, then an increase in the (M)oney supply must lead to an increase in either the (P )rice level, or output (Y), or both. The BoJ will be hoping for the price level to increase to two per cent and stay there, and for an increase in output to pick up the rest of the money; but once started, inflation can be hard to stop.

At the moment, deflation is Japan's biggest priority, but it runs the risk of jumping from the frying pan to the fire.

Perhaps the most important part of the announcement is what the FT's Kate Mackenzie calls "Communications and other Jedi matters". It's the bit where the bank attempts to push expectations in the direction they want, without actually saying what they want, because if they say what they want, people will second-guess what they want and then what they want won't actually happen the way they want it to and – look, they just said this:

The quantitative and qualitative monetary easing, introduced by the Bank today, will underpin the Bank’s commitment, and is expected not only to work through such transmission channels like longer-term interest rates and asset prices but also to drastically change the expectations of markets and economic entities.

What does it mean? We'll find out a bit more on the 26th, when the bank meets next.

Newly appointed Bank of Japan (BOJ) Governor Haruhiko Kuroda. 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.

Photo: Getty Images
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What do Labour's lost voters make of the Labour leadership candidates?

What does Newsnight's focus group make of the Labour leadership candidates?

Tonight on Newsnight, an IpsosMori focus group of former Labour voters talks about the four Labour leadership candidates. What did they make of the four candidates?

On Andy Burnham:

“He’s the old guard, with Yvette Cooper”

“It’s the same message they were trying to portray right up to the election”​

“I thought that he acknowledged the fact that they didn’t say sorry during the time of the election, and how can you expect people to vote for you when you’re not actually acknowledging that you were part of the problem”​

“Strongish leader, and at least he’s acknowledging and saying let’s move on from here as opposed to wishy washy”

“I was surprised how long he’d been in politics if he was talking about Tony Blair years – he doesn’t look old enough”

On Jeremy Corbyn:

"“He’s the older guy with the grey hair who’s got all the policies straight out of the sixties and is a bit of a hippy as well is what he comes across as” 

“I agree with most of what he said, I must admit, but I don’t think as a country we can afford his principles”

“He was just going to be the opposite of Conservatives, but there might be policies on the Conservative side that, y’know, might be good policies”

“I’ve heard in the paper he’s the favourite to win the Labour leadership. Well, if that was him, then I won’t be voting for Labour, put it that way”

“I think he’s a very good politician but he’s unelectable as a Prime Minister”

On Yvette Cooper

“She sounds quite positive doesn’t she – for families and their everyday issues”

“Bedroom tax, working tax credits, mainly mum things as well”

“We had Margaret Thatcher obviously years ago, and then I’ve always thought about it being a man, I wanted a man, thinking they were stronger…  she was very strong and decisive as well”

“She was very clear – more so than the other guy [Burnham]”

“I think she’s trying to play down her economics background to sort of distance herself from her husband… I think she’s dumbing herself down”

On Liz Kendall

“None of it came from the heart”

“She just sounds like someone’s told her to say something, it’s not coming from the heart, she needs passion”

“Rather than saying what she’s going to do, she’s attacking”

“She reminded me of a headteacher when she was standing there, and she was quite boring. She just didn’t seem to have any sort of personality, and you can’t imagine her being a leader of a party”

“With Liz Kendall and Andy Burnham there’s a lot of rhetoric but there doesn’t seem to be a lot of direction behind what they’re saying. There seems to be a lot of words but no action.”

And, finally, a piece of advice for all four candidates, should they win the leadership election:

“Get down on your hands and knees and start praying”

Stephen Bush is editor of the Staggers, the New Statesman’s political blog.