Gauti Eggertsson and Neil Mehrotra’s latest stab at modelling secular stagnation can be found here.
It includes explanations about the role of demographics, technological displacement, the liquidity trap and the paradox thrift, toil and flexibility within the secular stagnation framework — and there’s also a really neat explanation about the effects on capital, and in particular productive capital’s tendency to depreciate more quickly than might otherwise be expected. (You know, there’s more stuff being produced than expected, so the return on investment is never quite achieved in time, due to increasingly lower barriers to entry thanks to technique.)
The flip side of that scenario, however, is that unproductive capital becomes strangely useful for dodging depreciation for as long as there is belief in the asset class; hence the tendency for bubbles to form in asset classes which can’t easily be over-produced. At least not without significant investment. Read more
Citi’s Matt King has jumped on the secular stagnation bandwagon with a really nifty collection of charts that ties the whole story of how we got to this point together.
He starts off with the capex issue, noting that despite the cyclical recovery corporates don’t seem to be investing all that much. In fact, according to King, declining capex may be a key aspect of secular decline, which he suggests began in advanced economies and is now spreading to emerging markets as well.
Some further, further reading on Friday — a new paper from Citi’s Willem Buiter, on why helicopter drops of money always work. From the abstract (our emphasis):
Three conditions must be satisfied for helicopter money always to boost aggregate demand. First, there must be benefits from holding fiat base money other than its pecuniary rate of return. Second, fiat base money is irredeemable – viewed as an asset by the holder but not as a liability by the issuer. Third, the price of money is positive. Given these three conditions, there always exists – even in a permanent liquidity trap – a combined monetary and fiscal policy action that boosts private demand – in principle without limit. Deflation, ‘lowflation’ and secular stagnation are therefore unnecessary. They are policy choices.
Click the image for a link to the pdf of a new secular stagnation e-book, which features entries from Summers, Krugman, Blanchard, and many others, including some critics:
Earlier this year we wondered if perhaps Janet Yellen was thinking of secular stagnation as one of the potential reasons for the Fed’s recent, if slight, downgrading of US potential growth. Read more
On a morning which saw London grind to a halt because of a two-day strike by Transport for London workers protesting the closure of ticket offices (that is, due to automation)…
FT Alphaville was invited to participate in a panel debate about the implications of technological progress on jobs and labour, organised and hosted by the think-tank Resolution Foundation.
(Though to be fair, the tube strike didn’t seem to impact attendance and almost all of us arrived on time.)
Chairing the event was Channel 4 News’ Faisal Islam. Joining yours truly among the panelists was economist and author Diane Coyle, of Enlightenment Economics, Alan Manning, Professor of Economics at LSE and Michael Osborne, machine learning expert and associate professor at Oxford University. Read more
Larry Summers was interviewed by Chrystia Freeland at the INET conference in Toronto last week, in a conversation that very usefully expanded upon his thoughts about secular stagnation. (H/T Interfluidity)
It’s a reassuring interview for us because so many of the statements he made echo what we (and other bloggers such as Steve Randy Waldman) have been saying for some time. Namely, that there’s something more significant going on in the industrialised global economy than the effects of a banking crisis per se, and that that *something* is probably related to technological abundance. More so, that this phenomenon is having strange macro effects on capitalist incentives.
There was also a nod to the point we’ve made for a long time, that the financial intermediation industry loses its raison d’etre in such an environment, and worse than that, potentially becomes a malignant rather than constructive force on development and growth. In short, that negative rates are hardly the solution. Read more
If Larry Summers is correct about secular stagnation, the natural interest rate is negative and interest rates at current levels are too high to ensure that planned savings match planned investment in a way that generates full employment.
So what does one do about it?
In an op-ed for the Washington Post earlier this month Larry Summers identified three possible responses. Read more
In the last few weeks the “Is QE deflationary?” debate has fused with the “What’s the natural rate of interest anyway?” and the “Is it really all about the risk premium?” conversation.
Many important insights have been offered by a whole host of people. A notable development, however, came in the shape of Tyler Cowen’s post on negative T-bill returns in which he considered the phenomenon of T-bill “entrance fees” during a zero-rate climate and how this can take returns for many investors into negative nominal territory, while providing advantages to those with access to “special technologies’” even when official rates are very mildly positive. Read more
David Roche and Bob McKee at Independent Strategy have put out a strongly worded riposte to Larry Summers’ argument that the world may be beset by secular stagnation.
From the note, their main points are: Read more