Jeff Miron and Natalia Rigol have a provocative working paper, "Bank Failures and Output During the Great Depression." They take on one of Ben Bernanke's most famous papers.
Sunday, September 29, 2013
Is QE contractionary?
I ran across a fascinating blog post by Peter Stella at Vox-Eu on exit strategies and QE.
Peter points out that only banks can hold reserves, while anyone can hold short term Treasuries. And you can easily use Treasuries for collateral. That means that short term Treasuries are in some sense more liquid than reserves, and that by buying huge amounts of Treasuries and issuing reserves, the Fed may be actually contracting.
Monday, September 23, 2013
Asset Pricing MOOC Open
My Coursera Asset Pricing MOOC is now open. The direct link is here -- but you may need to register to see it.
I recommend browsing the week 1 videos, especially the theory preview videos, if you want a sense of what it's all about. Week 0 is background material on continuous time math.
Week 0 (background) and week 1 are up now, 2 and 3 should be up later this week.
Warning, this is a PhD level asset pricing class, designed to get you in to the theory used for research-level asset pricing. It pretty much follows my textbook "Asset Pricing" (and supplementary material) You don't have to buy the text to take the Coursera class. People who just want to watch the videos are also welcome.
I recommend browsing the week 1 videos, especially the theory preview videos, if you want a sense of what it's all about. Week 0 is background material on continuous time math.
Week 0 (background) and week 1 are up now, 2 and 3 should be up later this week.
Warning, this is a PhD level asset pricing class, designed to get you in to the theory used for research-level asset pricing. It pretty much follows my textbook "Asset Pricing" (and supplementary material) You don't have to buy the text to take the Coursera class. People who just want to watch the videos are also welcome.
Thursday, September 19, 2013
The New-Keynesian Liquidity Trap
I just finished a draft of an academic article, "The New-Keynesian Liquidity Trap" that might be of interest to blog readers, especially those of you who follow the stimulus wars.
New-Keynesian models produce some stunning predictions of what happens in a "liquidity trap" when interest rates are stuck at zero. They predict a deep recession. They predict that promises work: "forward guidance," and commitments to keep interest rates low for long periods, with no current action, stimulate the current level of consumption. Fully-expected future inflation is a good thing. Growth is bad. Deliberate destruction of output, capital, and productivity raise GDP. Throw away the bulldozers, let them use shovels. Or, better, spoons. Hurricanes are good. Government spending, even if financed by current taxation, and even if completely wasted, of the digging ditches and filling them up type, can have huge output multipliers.
Even more puzzling, new-Keynesian models predict that all of this gets worse as prices become more flexible. Thus, although price stickiness is the central friction keeping the economy from achieving its optimal output, policies that reduce price stickiness would make matters worse.
In short, every law of economics seems to change sign at the zero bound. If gravity itself changed sign and we all started floating away, it would be no less surprising.
And of course, if you read the New York Times, people like me who have any doubts about all this are morons, evil, corrupt, and paid off by some vast right-wing conspiracy to transfer wealth from the poor to the secret conspiracy of hedge fund billionaires.
So I spent some time looking at all this.
McDonalds and the minimum wage
Recently, on a long car trip returning from a glider contest, I did something unusual among our liberal elite: I actually went to a McDonalds and ate there.
The lady who took my order must have been about 19, as were all the other employees I could see, and pretty clearly new on the job. Getting the order right took some effort. I made the mistake of paying cash. The bill was something like $7.62. I first offered a $10, and she rang it up. Then I found 12 cents in my pocket, and offered it. This was a big mistake, as the cash register had already computed my change, and adjusting to my offer of 12 cents was beyond her abilities.
Most people might have been annoyed, but as an economist and an educator, I'm happy to see human capital building. OK, I was a little annoyed.
Which brings me, of course, to the proposals for a sharply increased minimum wage.
The lady who took my order must have been about 19, as were all the other employees I could see, and pretty clearly new on the job. Getting the order right took some effort. I made the mistake of paying cash. The bill was something like $7.62. I first offered a $10, and she rang it up. Then I found 12 cents in my pocket, and offered it. This was a big mistake, as the cash register had already computed my change, and adjusting to my offer of 12 cents was beyond her abilities.
Most people might have been annoyed, but as an economist and an educator, I'm happy to see human capital building. OK, I was a little annoyed.
Which brings me, of course, to the proposals for a sharply increased minimum wage.
Sunday, September 15, 2013
Summers withdraws
You have undoubtedly seen the news by now. Chicago Tribune, and Wall Street Journal
I'm sad, actually. A Summers confirmation would have been a great focus for a national debate on the role of the Federal Reserve, the role and character of its Chair, proper relations between the Fed and Wall Street, where we are going with financial regulation, whether bailouts and stimulus are a good idea, and how macroeconomic and monetary policy should be conducted.
I mean that as a totally honest statement -- don't read any coded pro- or anti- Summers implications in it.
I don't see that happening with any of the remaining candidates. We are at a good moment to attract some lightning, and I'm sorry to see the lightning rod bow out.
I'm sad, actually. A Summers confirmation would have been a great focus for a national debate on the role of the Federal Reserve, the role and character of its Chair, proper relations between the Fed and Wall Street, where we are going with financial regulation, whether bailouts and stimulus are a good idea, and how macroeconomic and monetary policy should be conducted.
I mean that as a totally honest statement -- don't read any coded pro- or anti- Summers implications in it.
I don't see that happening with any of the remaining candidates. We are at a good moment to attract some lightning, and I'm sorry to see the lightning rod bow out.
Tuesday, September 10, 2013
Banking news
There are two interesting tidbits of banking news in today's (9/10/2013) papers.
The Wall Street Journal has a long page 1 article, "Life on Wall Street Gets Less Risky" describing what it's like at Morgan Stanley under the new regulatory regime. Two bits caught my eye
The Wall Street Journal has a long page 1 article, "Life on Wall Street Gets Less Risky" describing what it's like at Morgan Stanley under the new regulatory regime. Two bits caught my eye
Friday, September 6, 2013
A Chicago economist runs a central bank
Raghu Rajan celebrated his first day on the job running India's central bank. Coverage from
Financial Times and Wall Street Journal.
Did he.. Find the coffee machine? Test the sofas in his office? Dust off his desk? Tour the printing press? Or...
Did he.. Find the coffee machine? Test the sofas in his office? Dust off his desk? Tour the printing press? Or...
Sargent online
Tom Sargent and John Stachurski go online with a fascinating web based course in quantitative economic modeling.
Two thoughts. The education world is going online, but we're all in version 1.0 at best. Tom and John's website is an interestingly different paradigm than the online courses such as the Coursera platform that I'm using for an online asset pricing course. I'll be curious to see which elements of which paradigm survive. Or perhaps the Toms' webiste will become the "textbook" for Coursera type courses, which can then add videos, forums, a structured environment for plowing through the material, and the carrot of certification at the end.
The website is just gorgeous. Producing economic (and scientific) articles for viewing online has so far been a headache. Our journals produce beautiful pdf representations of.. printed pages. They might as well show 3-d images of a papyrus scroll. Math and tables in html as presented on most journal websites is just pathetically ugly. As I looked through this website, I'm enthused that 1) I need to learn python and 2) I need to learn to write my papers and textbooks in this gorgeous format.
Two thoughts. The education world is going online, but we're all in version 1.0 at best. Tom and John's website is an interestingly different paradigm than the online courses such as the Coursera platform that I'm using for an online asset pricing course. I'll be curious to see which elements of which paradigm survive. Or perhaps the Toms' webiste will become the "textbook" for Coursera type courses, which can then add videos, forums, a structured environment for plowing through the material, and the carrot of certification at the end.
The website is just gorgeous. Producing economic (and scientific) articles for viewing online has so far been a headache. Our journals produce beautiful pdf representations of.. printed pages. They might as well show 3-d images of a papyrus scroll. Math and tables in html as presented on most journal websites is just pathetically ugly. As I looked through this website, I'm enthused that 1) I need to learn python and 2) I need to learn to write my papers and textbooks in this gorgeous format.
Thursday, September 5, 2013
Fed Chair
My pick for Fed chair below. I don't have much to say on the choice between Janet Yellen and Larry Summers. Both are worthy economists, with well-discussed pluses and minuses on which I have no particular insight.
So, this post is about who else one might want to look at, and much more importantly the broader question about what makes a good Fed chair.
The press mostly wants a soothsayer, who will foresee events the market does not see and calm the waters -- in practice, basically operating the worlds largest contrarian hedge fund, or the commissariat of macroeconomic central planning. Such people don't exist, so that's a self-defeating job description. Let's talk about reality.
So, this post is about who else one might want to look at, and much more importantly the broader question about what makes a good Fed chair.
The press mostly wants a soothsayer, who will foresee events the market does not see and calm the waters -- in practice, basically operating the worlds largest contrarian hedge fund, or the commissariat of macroeconomic central planning. Such people don't exist, so that's a self-defeating job description. Let's talk about reality.
The Fed chair will not just have to pick the right course, but will also have to wade through the cacophony of advice and pressure he or she will receive, from politicians, powerful banks and businesses, outside critics – people like me – and the crosswinds of contradictory advice from Fed board members, staff and regions. And then guide a headstrong committee and a ponderous bureaucracy to those ends.
To do that, a chair needs a clear intellectual framework and a core set of principles.
To do that, a chair needs a clear intellectual framework and a core set of principles.
Wednesday, September 4, 2013
Ronald Coase
Ronald Coase has died, inspiration and hope for those of us who don't write 10 papers a year. But they have to be good ones.
Two insightful retrospectives:
David Henderson, in the Wall Street Journal, also here at Hoover (no paywall)
Dylan Matthews in the Washington Post "Wonkblog" "Here are five of his papers you need to read"
When I got to Chicago, it seemed that people, especially graduate students, would shout "Coase theorem" at totally random moments. The pattern has since started to make some sense.
Two insightful retrospectives:
David Henderson, in the Wall Street Journal, also here at Hoover (no paywall)
Dylan Matthews in the Washington Post "Wonkblog" "Here are five of his papers you need to read"
When I got to Chicago, it seemed that people, especially graduate students, would shout "Coase theorem" at totally random moments. The pattern has since started to make some sense.
Wednesday, August 28, 2013
Nasdaq freeze
An anonymous correspondent explained last week's Nasdaq freeze thus.
The truth about what happened Aug 22 to the Nasdaq is that new limit-up/limit-down rules took effect in derivatives (exchange-traded products) listed at Arca at the same time that new options began trading marketwide that day. Since the market is full of complex, multi-leg trades, bad data propagated, affecting Goldman’s options-trading algorithms Tuesday, spawning hundreds of derivatives trading halts by VIX expirations Wednesday, and producing bad data in the consolidated tape by Thur, halting Nasdaq trading. So the real culprit was the SEC. But it’s bad form to say publicly that the regulator is responsible for jeopardizing the market.I can't vouch for the story, or even for understanding it all. But I'm interested in several emerging stories that some trading pathologies are in part unintended consequences of SEC regulation. It's also not the first time I hear of financial market participants afraid to speak out and earn the disfavor of their regulator.
Monday, August 26, 2013
Macro-prudential policy
Source: Wall Street Journal |
Interest rates make the headlines, but the Federal Reserve's most important role is going to be the gargantuan systemic financial regulator. The really big question is whether and how the Fed will pursue a "macroprudential" policy. This is the emerging notion that central banks should intensively monitor the whole financial system and actively intervene in a broad range of markets toward a wide range of goals including financial and economic stability.
Sunday, August 25, 2013
Taylor Jackson Hole Blog
John Taylor is blogging from Jackson Hole
Day 1: Skepticism of unconventional policy Academics say quantitative easing does't do much. I happen to agree
Forward guidance Is "forward guidance" clarification of a rule, i.e. here is what we think we'll feel like doing in the future, or a precommitment? To the Bank of England and ECB, the former.
This looks like an interesting series to watch.
Day 1: Skepticism of unconventional policy Academics say quantitative easing does't do much. I happen to agree
Forward guidance Is "forward guidance" clarification of a rule, i.e. here is what we think we'll feel like doing in the future, or a precommitment? To the Bank of England and ECB, the former.
This looks like an interesting series to watch.
Friday, August 23, 2013
MOOC
I will be running a MOOC (massively online) class this fall. Follow the link for information. The class will roughly parallel my PhD asset pricing class. We'll run through most of the "Asset Pricing" textbook. The videos are all shot, now I'm putting together quizzes... which accounts for some of my recent blog silence.
So, if you're interested in the theory of academic asset pricing, or you've wanted to work through the book, here's your chance. It's designed for PhD students, aspiring PhD students, advanced MBAs, financial engineers, people who are working in industry who might like to study PhD level finance but don't have the time, and so on. It's not easy, we start with a stochastic calculus review! But I'm emphasizing the intuition, what the models mean, why we use them, and so on, over the mathematics.
So, if you're interested in the theory of academic asset pricing, or you've wanted to work through the book, here's your chance. It's designed for PhD students, aspiring PhD students, advanced MBAs, financial engineers, people who are working in industry who might like to study PhD level finance but don't have the time, and so on. It's not easy, we start with a stochastic calculus review! But I'm emphasizing the intuition, what the models mean, why we use them, and so on, over the mathematics.
Wednesday, August 7, 2013
Litterman on carbon finance
I just read a very nice article by Bob Litterman in CATO's "Regulation" on the finance of carbon taxes. It includes a review of some of the recent academic calculations.
(Related, Ronald Bailey at Reason.com takes on the Administration's latest cost of carbon estimates, and reviews Robert Pindyk's recent NBER working paper "What do the models tell us?" also covered by Bob.)
Like just about every economist, Bob favors a carbon tax or tradeable emissions right over the vast network of regulatory controls on which we are now embarked. I might add that getting rid of the large subsidies for carbon emissions implicit in many country's policies would help before we start taxing.
But let's get to business, how big should the carbon tax be?
(Related, Ronald Bailey at Reason.com takes on the Administration's latest cost of carbon estimates, and reviews Robert Pindyk's recent NBER working paper "What do the models tell us?" also covered by Bob.)
Like just about every economist, Bob favors a carbon tax or tradeable emissions right over the vast network of regulatory controls on which we are now embarked. I might add that getting rid of the large subsidies for carbon emissions implicit in many country's policies would help before we start taxing.
But let's get to business, how big should the carbon tax be?
Tuesday, August 6, 2013
Rajan to run the central bank of India
My colleague Raghu Rajan has just been appointed governor of the central bank of India. See Financial Times and Reuters. Congratulations Raghu!
Let me add two little notes to the songs of praise for this decision.
Traditionally, academic central bank governors come from the world of monetary policy, people who think about interest rates and inflation and all that. Raghu comes from the academic world that studies finance and banking. Look at his vita and you'll see great article after great article thinking about how banks work.
Just in time. Central banks are now all scrambling to understand banking and financial markets, regulating the financial system, avoiding crises, and so on. This is their central new task. (Or you might say, a return to their age-old task after a short interlude.) You can't ask for a person on the planet who has thought more clearly and productively about these issues.
His popular book “Saving capitalism from the capitalists” with Luigi Zingales is also revealing. Yes, he sees how over regulation and corruption are at the heart of India’s problems (and many of our own). But he also sees the strong political forces that keep the dysfunctional system in place. If anyone can understand and resist the political pressures that central bank governors face, it will be Raghu. And he won’t be tempted to think that any monetary magic or financial dirigisme from a central bank can fix all of India's problems.
He is also about the most polite person I know, while never shying away from standing for what's right. That means he will be far more effective than typical bull-in-a-china-shop academics like myself would ever be in steering a ponderous bureacracy.
Good luck, Raghu. I think you'll need it.
Reuters already expreses the view that it's too bad he's out of the running for the US Fed job.
Let me add two little notes to the songs of praise for this decision.
Traditionally, academic central bank governors come from the world of monetary policy, people who think about interest rates and inflation and all that. Raghu comes from the academic world that studies finance and banking. Look at his vita and you'll see great article after great article thinking about how banks work.
His popular book “Saving capitalism from the capitalists” with Luigi Zingales is also revealing. Yes, he sees how over regulation and corruption are at the heart of India’s problems (and many of our own). But he also sees the strong political forces that keep the dysfunctional system in place. If anyone can understand and resist the political pressures that central bank governors face, it will be Raghu. And he won’t be tempted to think that any monetary magic or financial dirigisme from a central bank can fix all of India's problems.
He is also about the most polite person I know, while never shying away from standing for what's right. That means he will be far more effective than typical bull-in-a-china-shop academics like myself would ever be in steering a ponderous bureacracy.
Good luck, Raghu. I think you'll need it.
Reuters already expreses the view that it's too bad he's out of the running for the US Fed job.
The Republic of Paperwork
Mark Steyn, while writing on other matters, came up with this gem:
40 percent of Americans perform minimal-skilled service jobs about to be rendered obsolete by technology, and almost as many pass their productive years shuffling paperwork from one corner of the land to another in various “professional services” jobs that exist to in order to facilitate compliance with the unceasing demands of the microregulatory state. The daily Obamacare fixes — which are nothing to do with “health” “care” but only with navigating an impenetrable bureaucracy — are the perfect embodiment of the Republic of Paperwork.
Thursday, August 1, 2013
Immigration
WSJ Op-Ed on immigration, with extra comments. Original here.
Massive border security and E-Verify are central provisions of the Senate immigration bill, and they are supported by many in the House. Both provisions signal how wrong-headed much of the immigration-reform effort has become.
E-Verify is the real monster. If this part of the bill passes, all employers will be forced to use the government-run, Web-based system that checks potential employees' immigration status. That means, every American will have to obtain the federal government's prior approval in order to earn a living.
Think Government Is Intrusive Now? Wait Until E-Verify Kicks In
Source: Wall Street Journal |
E-Verify is the real monster. If this part of the bill passes, all employers will be forced to use the government-run, Web-based system that checks potential employees' immigration status. That means, every American will have to obtain the federal government's prior approval in order to earn a living.
Et tu, Brute?
Politico's Byron Tau has a hilarious story:
Pot legalization activists are running into an unexpected and ironic opponent in their efforts to make cannabis legal: Big Marijuana...
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