Tuesday, April 20, 2010

With No Power, Comes No Responsibility: Efficient Market’s Role in Regulation (part 1)

“With no power, comes no responsibility”. The catchphrase from the movie "Kick-Ass" seems to describe the current state of financial regulation rather well. Unfortunately, the larger Conversation on financial reform has been anything but kick ass. We have a tragedy of the commons scenario where every regulator, policy maker, academic and practitioner has joined the blame game.

No. It is not their fault. After all, people merely followed what the intellectual luminaries preached, which made the Efficient Market Hypothesis (EMH) one of the “best selling” ideas of all time. By assuming that prices reflect all known information, the EMH is convenient, user-friendly, and rationalizes laziness as an appropriate policy. It is a hypothesis that can never be wrong (cannot be disproved). The Efficient Market Hypothesis had us at hello.

The EMH truly liberated the people. It guided policy makers to pursue deregulation, freed regulators from their jobs, and saved practitioners from performing in-depth analysis. With free time on everyone’s hands, creativity reigned. Complex derivatives such as CDOn proliferated and the EMH encouraged the industry to adopt a “sell first, ask later” motto. Let the market figure out how to price them, says the EMH. Financial innovation quickly transcended the industry. If the EMH were a person, the Nobel Peace prize would be its to lose.

We find ourselves in a very different world today. The EMH is now being crucified as the elegant theory that caused the financial crisis. As Krugman suggests, people mistook beauty for truth and economists everywhere climbed aboard the EMH-Titanic that was destined to hit the iceberg.

However, the fault was never with the theory per se. The EMH is silent on its ability to explain bubbles and crashes, and offers no real use to policy making. No power. No responsibility.

What we need today is a more powerful theory to guide policy and put responsibility back in the hands of the regulators. We do not need more debates on the financial reform, which have done nothing but amplify confusion. Without coherence, there is no reform. And we are running out of time.

In part two of this series, I propose a Cyclical Efficient Market Hypothesis (C-EMH) that integrates viewpoints from psychology and quantitative finance to complete the EMH. The result is a model that is useful to guide policy making and regulation.

Friday, October 16, 2009

Jim Rogers makes my head hurt too

Too many long posts lately. Here's a short comic relief. Professor Krugman in his usual satirical tone, absolutely nails Jim Rogers. Krugman assigned his readers a homework to explain — in English — what’s wrong with the words that are coming out of Rogers' mouth, who said, “Well, capital has already been flowing into Asian economies, as you can see by the fact that they’re the world’s biggest creditors.”

Here's my homework solution: If somebody is the world’s biggest LENDER (creditor), by definition money is flowing AWAY from that person.

Krugman 1. Rogers 0.

p.s. I've been waiting for a long time for someone to drill Jim Rogers. Thanks Paul.

Thursday, August 27, 2009

Auditing the Federal Reserve is Economic Suicide


Given the potentially fatal repercussions, auditing the Federal Reserve is one of the most underreported stories by the media today. Investors today should be fearful of this development. It is shocking to see three out of four Americans supporting a bill that could lead to economic catastrophe. The passing of Ron Paul’s H.R. 1207 bill may bring serious and unintended inflationary consequences that can destroy investors’ wealth.

While it may not be the intent of the lawmakers, Ron Paul’s bill, a.k.a. Federal Reserve Transparency Act, will enable the congress to influence the outcomes of monetary policy through an audit of the Federal Reserve’s day-to-day operations, thus severely compromising the independence of the U.S. central bank from political influences.

The free market understands that auditing the fed is a very dangerous line to cross. If crossed, U.S. inflation will likely skyrocket over the next decade to unseen levels. The U.S. economy will tank under a hyperinflationary environment. Bond investors lose money as interest rates rise. Stock investors earn negative real return as equity risk premium rises and aggregate PE ratio nose dives. The US Dollar erodes due to higher domestic inflation relative to foreign inflation. Gold and commodity prices rise.

How Does Auditing the Fed Cause Inflation?

Inflation is caused by a central bank that loses control of its money supply. There are two ways that a politically compromised central bank can lose control of its money supply.

Road to Inflation #1: Repeating the Political Cycle

When the central bank is not independent, politicians have historically pumped up the money supply (for temporary economic boost) shortly before an election to buy votes with lower unemployment rate. After the election, the effects wear off, returning the economy to its natural rate of unemployment but at a higher inflation rate than before. Because it is hard to fight off inflation quickly, by the time the next election rolls around the economy has not been squeezed back to its original inflation rate. Politicians pump up the money supply again, this time from a higher base inflation. As this cycle repeats itself, the central bank loses control of the money supply.

Road to Inflation #2: Financing Government Spending

A central bank that lacks independence from politicians makes it tempting for the government to finance an inappropriately large portion of its spending through printing money. A central bank that promises to finance too much government spending also loses control of the money supply.

Will the Bill Pass?

Although Obama and his economic team oppose this bill, it may not matter much. The risk of the bill passing is increasing every day. Ron Paul is using the recent economic recession as an opportunity to sway angry politicians to advance his personal agenda of ending the fed. The table below shows that government officials are embracing the Federal Reserve audit. In fact, support is so overwhelming that we are dangerously close to reaching the veto-proof status. Once reached, the President will have little say in the outcome. Deadline for voting of this bill has been set to December 2010.

In sum, auditing the Fed’s daily operations will cause it to succumb to political pressure, lose control of the money supply, and create sticky inflation that could be much worse than the 1970’s. America is an angry nation right now. When it comes time to vote on the bill, it remains to be seen if cooler heads will prevail or if America will swallow the economic suicide pill.

*Related links: Reactions from 6 economists, Bernanke, Bernanke (2), Geithner, Washington Post, and general public.

Saturday, February 7, 2009

The Efficient Market, Debugged

What is the link between the price discovery process and fixing software bugs? In a debugging process, one can never eliminate all the bugs*. This is because fixing a known bug can potentially create more unknown bugs, implying that there exists a point of diminishing returns where fixing more bugs will not yield any more benefits.

The stock market shares the same essential characteristics as open source software: anyone can participate. In the stock market, anyone can buy and sell securities. Likewise, any programmer can participate in an open source project. When a stock market participant discovers the “solution” to a price (i.e. fixes a bug) based on certain information that he’d gathered, he will simultaneously affect the price (i.e. creates a bug). This newly arrived at price becomes a new piece of information that acts as a signal to other traders who cause the price to change again (i.e. creates more bugs). And because not all bugs can be fixed, prices at any time cannot be correct and never will be.

How much money should one devote to “fixing bugs” in the stock market at most? The answer is: spend money up to the point of diminishing returns! This point is defined simply by the Kelly Criterion.

Where E(r) is the expected return, rf is the risk-free rate of borrowing and lending, and s2 is the variance of the expected return. Wealth is destroyed when more resources are allocated than necessary (Kelly Criterion’s f). This is exactly what caused the current boom/bust cycle of the finance industry – there was simply too much finance. The society had overspent its resources (beyond the point of diminishing returns) to making the markets more efficient. Isn’t it ironic that in the pursuit of more efficiency, we have made it more inefficient, and destroyed our own wealth?

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*In theory, it is possible for a software to be completely bug-free. However, in practice, the more complex the system, the higher than probability of a buggy system. In the same token, the efficient market hypothesis is correct in theory, but the complexity of the market system causes prices to tend toward equilibrium, but never quite get there.

Thursday, January 29, 2009

Stimulating the Economy: The Great Debate

The debate on the fiscal stimulus plan is all the rage these days. Prominent economists are killing each other over this topic. The arguments from the pro-stimulus camp can be found from Krugman (1), Krugman (2), Stiglitz, Mankiw, Summers, Feldstein. The anti-stimulus camp include the usual Chicago-school suspects such as Fama (1), Fama (2), Barro, Cochrane, Murphy, and Chinn (Chinn is not Chicago). You can click on the names to view their arguments.

Where do the disagreements come from? The whole thing centers around three key issues:

Is government intervention worth the costs?

Keynesians believe that an economy can become stuck in a recession when its natural recovery forces operate far too slowly, creating prolonged periods of high unemployment. They further believe that the government is able to move the economy out of a recession through fiscal policy and it should.

Chicago-school economists believe that the government has no business interfering in the economy, and that government intervention, however well-intentioned, too often makes things worse, not better.

What extent of the role should government play?

People on the left of the political spectrum – liberals, socialists, and Democrats – believe that more control by the government over resource allocation in the economy is a good thing. Those on the right – conservatives and Republicans – believe the government is an inefficient allocator of resources, and that individuals, through spending financed by tax cuts, can cause the market to produce and distribute more desirable outputs in a more efficient fashion.

How should the government finance an increase in spending?

An increase in government spending can be financed in three ways:

  1. Raising taxes
  2. Selling bonds to the public
  3. Printing money (selling bonds to the central bank)

Chicago-school economists, such as Fama, essentially ignore printing money as a method of financing. As a result, stimulus plans can never work because raising taxes or selling bonds to the public lead to a phenomenon called “crowding out”, that is, financing offset the impact a stimulus plan is supposed to have on aggregate demand.

In contrast, financing by selling bonds to the central bank increases the money supply. When buying a government bond, the central bank writes a check against itself and thereby creates money out of thin air (printing money). In this case, there are no crowding-out effects. This is where Krugman thinks Fama made his mistake.

Recently, China proposed to increase government spending by a massive 4 trillion Yuan, or about 16% of GDP. This dwarfs the proposed stimulus package in the United States, a mere 5% of GDP. However, the U.S. has expanded its monetary base by 100% from last year. Clearly China favours the use of fiscal policy while the U.S. favours monetary policy. Why is it so? I will blog about this interesting phenomenon in the near future.

The above materials are based on Peter Kennedy’s Macroeconomic Essentials, a wonderful book written by my favourite university professor.

Thursday, December 11, 2008

Buy Physical Oil, Not Energy Stocks

Enjoying the lower gas prices lately? Well, now's the the time to fill up your tank some more because oil prices may be on its way up again. The chart on the right shows the ratio between energy stocks and crude oil prices, and in the background is oil price. Notice that high points in the ratio are associated with a bottom in oil prices. If you subscribe to the commodities supercycle theory, this may be your chance to stockpile on oil again. Looks like this is exactly what Jim Rogers is doing.

As a commodities bear, I personally do not believe this is a long-term buying opportunity for oil. There are three conditions that need to be met for me to consider commodities.

1. Currencies of commodities producing countries bottom
2. Real assets become undervalued to financial assets
3. US dollar about to enter a long-term bear market

Currently, none of the three conditions are met, which means any bounces in oil are merely bear market rallies within a long-term commodities bear market.

Friday, November 28, 2008

This is a Mid-cap Rally

So is this the Santa clause/year-end/super-bear rally we've been waiting for? The S&P 500 has just gained 18% in the past five trading days. "Does it have legs," ask fund managers everywhere who are suffering from performance-anxiety attacks.

Well, we're currently in what I call a mid-cap rally, where mid-cap stocks outperform small-cap and large-cap stocks. Last time the mid-caps led the market we had a 70-day rally from March to May 2008.

Some say that the March rally had legs because it kicked off with a Lowry's 90-90 day on March 19th. However, the October rally had two 90-90 days on Oct 13th and Oct 28th; that rally turned out to be short-lived, lasting only 3 weeks. Clearly, 90-90 day was not the answer.

I recorded all the bear market rallies lasting longer than 1 day from both the 2000-2002 bear and the current bear.

Start End Length (days)
Leadership (overall)
10/10/2008 10/13/2008 3 Large-cap
7/23/2002 8/23/2002 31 Large-cap
2/6/2008 2/26/2008 20 Mid-cap
11/26/2007 12/10/2007 14 Mid-cap
3/10/2008 5/19/2008 70 Mid-cap
4/6/2001 5/18/2001 42 Mid-cap
10/27/2008 11/4/2008 8 Small-cap
1/22/2008 2/1/2008 10 Small-cap
7/15/2008 8/11/2008 27 Small-cap
10/17/2008 10/20/2008 3 Small-cap
12/17/2007 12/26/2007 9 Small-cap

Average large-cap bear market rally = 17 days
Average mid-cap bear market rally = 36.5 days
Average small-cap bear market rally = 11.4 days

It appears that the average mid-cap rally lasts longer than the average large-cap or small-cap rally. Does someone have an explanation for why mid-cap rallies last longer? Otherwise, it could simply be a case of curve fitting.

Wednesday, June 25, 2008

Canadian Stocks: A Large Decline Is Brewing

There are five major divergences occurring on the Canadian TSX stock index. These conditions have led to steep declines in the past. Consider it a heads up warning. If you hold Canadian stocks, you should buy some insurance via XIU puts.

I will be posting a more detailed analysis within the next week.

Tuesday, April 29, 2008

U.S. Market at an Imminent Top

Market Timing Signals
Short-term Signal: Sell
Long-term Strategy: Sell the rallies

All signs are pointing to an imminent market top. Sentiment indicators are as bullish as ever since the start of the bear market in October 2007. Technical indicators are also reaching extremely overbought levels. Worse yet, there are widespread disillusions among money managers -- only 10% of all managers believe the stock market is overvalued (Barron's big money poll, March 28). The biggest opportunities are created when market prices no longer reflect true fundamentals and technical signs are pointing to a reversal. Right now is the perfect opportunity to short the market.