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Tuesday, March 13, 2012

Taleb on Antifragility | EconTalk | Library of Economics and Liberty

I like what Nassim Taleb usually writes. Here he is talking on Anti Fragility talking with Russ Roberts who produces an incredible podcast at EconTalk. I am a regular listener. Taleb on Antifragility | EconTalk | Library of Economics and Liberty.

The critical question he thinks about is how to design antifragile systems. Particularly relevant is the discussion on definition of Antifragility: (worth reproducing)

What is the opposite of fragile? And of course we think we know what that is. The opposite of fragile is robust, you say; it may be unbreakable. But you argue that's not right way to think about it. It doesn't capture the essence of fragility. So, why do we need another term? Because if you send a package by mail to your cousin in Australia and it has champagne glasses, you write "Fragile" on it. If it is something that is robust, you don't write something on the package. You don't say you don't care, you can do whatever you want. So the fragile, the upper bound comes back unharmed or [?] and of course the worst is completely destroyed. So, that's the fragile. The robust has an upper bound of unharmed and a lower bound of unharmed. The empty fragile would be a package on which you'd write: Please mishandle. Because a lower bound would be unharmed. And the upper bound would be improved--you'd get, instead of sending 6 champagne glasses, 8 would arrive. Exactly. Like in mythology. Or they'd be better glasses, stronger somehow. Like the Hydra--you cut one head, two heads grow back.
Must listen.



Sunday, March 11, 2012

Crisis Basics: Solvency Crisis Vs. Liquidity Crisis

Let us understand what a solvency crisis and liquidity crisis are.

A Liquidity Crisis
Here is a popular example that was given in past few years. “A tourist stops at a motel and gives the manager a $100 cash deposit while he looks at the rooms. The manger runs and pays off his $100 debt to the butcher. The butcher runs and pays off his $100 debt to the farmer. The farmer pays off his debt to the feed store, and then the feed store owner pays off his debt to the motel owner. The motel owner then gives the $100 deposit back to the tourist.” This is a liquidity crisis.

Point to note:
  1. All people were in debt. The size of debt is immaterial. The hotel manager could have had debt of $1million to various vendors.
  2. The debt was used to create value. That, is the most important aspect of this debt.
  3. The value dominoes were stalled because of lack of liquidity which the tourist provided.
A solvency crisis
Imagine instead that a restaurant owner takes out a small business loan to stock his wine cellar. The next day Bernie Madoff comes in and drinks $1000 of wine, paying with cash. The restaurant owner turns around and invests that cash in Madoff’s hedge fund. The next day Madoff comes back and drinks another $1000 of wine, paying with cash (the same $1000 bill he used yesterday), and the restaurant owner turns around and invests that money with Madoff too. This continues ten times. Madoff has drunk $10,000 of wine, and has a $10,000 debt (the investment he is supposed to eventually return to the restaurant owner), but he only has $1000 of cash to repay that debt. Madoff has a solvency problem. His net worth is less than zero. Temporary use of some cash, to be paid back later, would not solve this problem. This situation is different because value was actually destroyed. The $1000 of cash still exists, but $10,000 of wine disappeared into Madoff’s stomach, and Madoff didn’t produce anything of equal value he could use to pay for the wine.

Points to note:
  1. Debt was created just as in previous case.
  2. Debt was deployed to non-productive ventures. In this example Madoff drank-off all the wine. It means value was destroyed.
  3. The debt domino does not stall easily in this case unless doubt creeps into the mind of the restauranteur.
Therefore
  1. Now clearly solvency crisis seems bad one. If only we had someone who could tell the restauranteur that Madoff was a crook. That someone, in many cases, should have been the ratings agency.
  2. Whenever there are debts, there are also bad debts. Good debts are deployed towards creating value higher than the value of the debt. 
  3. This begs further explanation. Let us assume an entrepreneur takes $100 of debt @ interest rate of 10% per annum. This debt is employed to do work that ideally produces output greater than $110 in one year. Thus, debt of $100 creates, let us say, $130 of value. Then we say that debt of $100 create $10 of value for the creditor and $20 value for the entrepreneur. 
  4. From the creditor's perspective, let us say the creditor makes 100 such loans. So the total debt is $10,000. Potential value it should create for the creditor = $1000. 
  5. Now imagine one entrepreneur fails and loses everything. 
  6. From the creditor's point of view there is not yet a problem as other 99 loans are good. The creditor will lose $100 of capital and $10 of interest. Thus, the creditor will earn $890 in that year. In technical parlance we would say, the creditor had write-off of $110.
  7. Solvency crisis happens with size of bad debts is higher than the value created by good debt.
The problem of misdiagnosing a solvency crisis as a liquidity crisis
The authorities tend to pump in more money to solve what they term, rightly or wrongly, as a liquidity crisis. The money often goes to Madoffs of the world who disappear with the money. The problem gets compounded when a solvency problem is thought to be a liquidity problem.  This actually increases the level of bad-debts in the system.

The way out of the solvency crisis 
There are various ways out of solvency crisis, each dependent on the size and structure of the problem. 
  1. One way out is to write off the debt and start afresh. Everyone takes a hit and blames their naivety and goes back to work. 
    • This is relatively easy when the size of the problem is relatively small, as in our example above. 
    • There is a problem with relative size of bad debt is colossal. In such cases, creditors need to be wound down in a systematic manner. At the same time, the resulting recession has to be managed by promoting employment and counter-recession measures.
  2. Textbook way is a little different. Technically, it is possible to increase the level of the good debt to such an extent that the bad debt can be written off without any problem. There are two ways to create good debt. 
    • First, by reducing interest rate marginally bad debt can become good debt. It is interesting to note that the first approach works only if the amount of bad loans is uncomfortable but not catastrophic like we had in 2007. In other words, the difference between good and bad debt has a bearing on effectiveness of this approach. Monetarist do not agree with this pre-condition. They believe this approach can work for any difference between good and bad debt.
    • Second, by pumping in additional money into the system. The additional money, ideally, will create value that will dwarf the losses from bad debts. This is like making a line smaller by drawing a longer line beside it. The second approach only works when you have body of projects that can absorb the new capital and still be classified as good debt. The gains from these projects must be quick and substantial. For example, if by some stroke of policy we can quadruple the exports then debt required to fund that policy can become this text-book solution.
  3. The third way of escaping a solvency crisis is what I call the Chinese-bank way. In this mechanism, you combine all bad debts, distressed assets into a special purpose vehicle. This cleans up the balance-sheet of corporates holding those assets in first place giving them room to borrow and invest in their businesses. The special purpose vehicle is then backed by government whose solvency, ideally, is not a problem. Over a period of time as industry grows back into a healthy state, government offloads its stake in SPV to the markets which digest these debts. 
    1. Naturally, these bad debts are a little different from other bad debts. These bad debts must be productive under some conditions, which are denied because of the impending crisis and may return when the crises abates.
    2. If government is holding really bad bad-debts then it can write-off the SPV investment and claim the debts as taxes either from public or corporates at later date.

In sum
We can notice that quite a few ways for countering this crisis have been tried. We haven't had much success. As stated, half-hearted attempts to solve the problem compound this problem, thus, we are in a bigger soup. Let us hope, further solutions are better managed.

Sunday, February 26, 2012

Jeremy Grantham knows we were warned!


Here is my post from 2008: "How to avoid the credit crunch?"

I was really surprised when I realised that entire credit crunch and related problems were highlighted and we were warned back in 16th century itself.

For Rating Agencies
See thou character. Give thy thoughts no tongue,
Nor any unproportioned thought his act.

For investors - particularly those who misguide people on CNBC
Give every man thy ear, but few thy voice;
Take each man's censure, but reserve thy judgment.

For US / UK and European Consumers
Costly thy habit as thy purse can buy,

For Mortgage dealers (they heeded but CDS borrowers didnt)
Neither a borrower nor a lender be;
For loan oft loses both itself and friend,

For all market operators
This above all: to thine ownself be true,
And it must follow, as the night the day,
Thou canst not then be false to any man

Here is the full advice:
Yet here, Laertes! aboard, aboard, for shame!
The wind sits in the shoulder of your sail,
And you are stay'd for. There; my blessing with thee!
And these few precepts in thy memory

See thou character. Give thy thoughts no tongue,
Nor any unproportioned thought his act.

Be thou familiar, but by no means vulgar.
Those friends thou hast, and their adoption tried,
Grapple them to thy soul with hoops of steel;
But do not dull thy palm with entertainment
Of each new-hatch'd, unfledged comrade. Beware
Of entrance to a quarrel, but being in,
Bear't that the opposed may beware of thee.

Give every man thy ear, but few thy voice;
Take each man's censure, but reserve thy judgment.

Costly thy habit as thy purse can buy,
But not express'd in fancy; rich, not gaudy;
For the apparel oft proclaims the man,
And they in France of the best rank and station
Are of a most select and generous chief in that.

Neither a borrower nor a lender be;
For loan oft loses both itself and friend,
And borrowing dulls the edge of husbandry.

This above all: to thine ownself be true,
And it must follow, as the night the day,
Thou canst not then be false to any man.
Farewell: my blessing season this in thee!

- Shakespeare in Hamlet (Lord Polonius advice to son Lartes)


Sunday, February 19, 2012

Commodity valuation


A lot of people believe in strength of commodity prices but the boom is fragile for the following reasons.

Substantial part of valuation depends on strong and sustained commodity consumption driving growth in India and China. The growth is unlikely to be either strong or sustained (in near term). This may take the wind out of the boom.

But I believe we have underestimated two other reasons.

Commodities as store of value
A part of boom in commodities can actually be explained as a result of money trying to protect value of developed countries investors. To protect value, you translate your money into equivalent basket of benefits (goods and services) that can be bought with your money. So we can imagine the equation as (money I have in year "t") = (sum of products and services that can be bought in year "t").

Every year this equation must be evaluated from the RHS not LHS. Thus, the true comparison can be achieved when we compare (sum of products and services that can be bought in year "t") vs. (sum of products and services that can be bought in year "t+1"). Ideally, we must be able to buy more products and services in "t+1".

However, in common parlance we do compare LHS. The question we ask ourselves is "do I have more money than last year?" It is a misleading question. People get fooled when the answer is yes. In fact, American middle class thought they had more money in every subsequent year. But in real terms the wages are stagnant for more than 2 decades.

To protect the RHS value, investors try to hoard certain commodities that are irreplaceable. The degree of irreplaceability, knowledge of alternatives, certainty of whether commodities will indeed be part of value-store equation are all unknowns.

The Real Chinese demand
The resource intensity of growth of China will reducing drastically. This is simply because of three main reasons.

Firstly, China has built out infrastructure for next N years, advancing their consumption of commodities. This will revert to mean in the next N-4 years. (The value of N is matter of debate).

Secondly, China has already bought or locked in its commodity requirement for next few years and this has no price implication for commodities hereafter.

Lastly, it has to reduce drastically just to make scientific sense. This will have new winners and losers within different commodities. 

Evaluating commodity boom is difficult
Thus, the factors affecting commodity prices and demand are different than normally discussed. I am yet to see a reasonable assessment of the two main changes above. Hence, I advise to be really, really careful with commodities. At least do not build any position you cannot liquidate quickly. 

Monday, January 30, 2012

The Value of Indian Rupee

The Economist recently published the Big Mac Index that shows Indian Rupee as most undervalued currency contrary to the popular perception of its value. The Big Mac is priced at $1.62 in India vs. $4.2 in the US thereby giving undervaluation of 2.6x.

It raises some hard questions:
  1. Has Indian Government absorbed substantial part of costs? Indian government subsidizes diesel and that could show up as mark down. This bloats the government balance sheet but keeps inflation from showing up in consumer goods prices. This has double effects, when high oil prices are absorbed by the government, Indian prices languish. Further, when the global prices start correcting, Indian prices tend to remain firm.
  2. INR is undervalued because Indian government finances are not in good shape. India's government finances look more like developed countries than developing countries. To compound the problems, Indian export basket is quite price sensitive while import basket is not. So then does it mean Indian inflation has substantial way to go? 
  3. Does it mean that Big Mac Index works better when government budget is nearly balanced?
  4. Another important thing is that the price of entry-level burger at McDonalds has been coming down since McDonalds came to India. Part of the reason is product development, but significant part is because of raw material efficiency. This latent competitiveness has not yet been harnessed, but if done so, will make India more resilient to global factors. It may even make Indian exports more competitive.