Thursday, January 31, 2008

Decline in GDP Volatility

Although the Fed has not targeted money aggregates for some time, several explanations have been offered for the decline in the volatility of GDP since the early 1980s. These include financial deregulation/innovation, improvements in supply chain management that have substantially reduced inventory backlogs associated with economic down turns, inflation booms that have been tempered by global competition and the absence of major macroeconomic shocks like an OPEC oil embargo. Although greater Fed transparency, beginning with the publication of Federal Open Market Committee meeting minutes in 1994 reduced uncertainty regarding Fed policy, this has had more of an impact on volatility in financial markets rather than volatility in the real economy.

FED Policy has reduced GDP volatility

In the late 1970s the Federal Reserve, under Paul Volcker, effectively abandoned interest rate targets and instead began targeting the money supply. While Fed economists and policy-makers might sometimes advocate "fine-tuning" and discretionary policy, the proof is in the pudding as the volatility in GDP growth has declined considerably since the 1980s. Milton Friedman argued that the test of a good model is its ability to predict. On that basis, the so-called "interventionist" policies seem to have worked.






Wednesday, January 30, 2008

Fed Policy and a Pretense of Knowledge

If economics is “real science” a notion that Nassim Taleb bestselling author of the Black Swan disputes, then one might expect some consistency among economic scientists in regard to fundamental principle. The fundamental principle of capitalism is the self-correcting nature of market systems. Yet, the majority of the economics profession is not yet convinced that markets work. To me, this is analogous to saying that a majority of physicists disagree with gravity.

It is little wonder that practitioners of the dismal science have largely failed as popular champions of spontaneous order. Constructivist macroeconomists at the Federal Reserve and elsewhere continue to perpetuate the myth of discretionary fiscal and monetary stabilization policy despite an empirical record of failure documented in Friedman and Schwartz’s (1963)

Friday, January 25, 2008

Greenhouse Gas Emissions and the T3 Tax

The IPCC (Intergovernmental Panel on Climate Change) presents evidence from scientists in many fields that burning coal and oil has increased CO2 emissions by 70% from 1970 to 2004. Other emissions, including methane (CH4) and nitrous oxides (NO2), have also increased. Such GHG (greenhouse gas) emissions are thought to be a source of global warming. Adding a sense of urgency, the IPCC reports that eleven of the last twelve years have been the warmest on record since 1850, when widespread recording of temperatures began.

Government policies such as corn-based ethanol and higher fuel efficiency standards for vehicles are likely to be of little real value in reducing emissions and serve more as political window dressing in an election year. Instead, resource users should pay a charge or tax equal to the climate damage caused by consuming GHG intensive products, such as electricity and oil. European countries have adapted a cap and trade system to GHG emissions. With a cap in place, those firms that want to emit more must buy permits in the market. The permit costs are eventually reflected in higher prices which send a signal to producers to search for less GHG intensive production methods and signal consumers to buy less GHG intensive products. However, policy-makers can only guess at what the proper cap should be. Instead, a system of taxes per unit of CO2 equivalent might be imposed, where the tax is set equal to the amount of social damage caused by GHG emissions. Current estimates put the social damage of an additional ton of GHG emissions at about $5. Such a tax could be increased or decreased as more information becomes available on the contribution of GHG emissions to climate change.

According to IPCC scientist and economist Ross McKitrick, "climate change models predict that, if greenhouse gases are driving climate change, there will be a unique fingerprint in the form of a strong warming trend in the tropical troposphere, the region of the atmosphere up to 15 km altitude, over the tropics from 20 degrees North to 20 degrees South." McKitrick proposes a T3 tax on CO2 equivalent emissions tied to the degree of warming in the tropical troposphere, where T3 stands for tropical troposphere temperature. Skeptics of climate change, who argue that there has been little warming, will be pleased that the tax will be small if global warming does not occur and will decline to zero if cooling occurs. Global warming activists will be pleased that if warming rapidly proceeds, the tax will rise sharply, sending a strong price signal to investors to adapt cleaner, less GHG emitting technologies.

Wednesday, January 23, 2008

Did the Fed Panic?

The Federal Reserve's decision to lower the Federal Funds rate on Tuesday, January 22, was a surprise on two fronts: (1) the size of the cut was the largest since at least 1990, (2) the move was made in advance of the Fed's regularly scheduled policy meeting next week. While some people are doubtless happy about the cut, others are concerned that the Fed maybe has lost control of the situation. Has the Fed panicked? That may be a little harsh, but it is clear that the Fed now realizes that the economy is in worse shape than it realized and that may be one reason why the stock market was still down on Tuesday and is down again in early trading on Wednesday.
The "r" word is getting tossed around a lot lately, but it is interesting that we do not even know yet if GDP growth has turned negative (the preliminary figures for GDP for the fourth quarter of 2007 will not be released until next Wednesday, January 30). One Federal Reserve Bank President, William Poole of the St. Louis Fed, voted against the emergency rate cut saying that he did not think conditions warranted it. I have to agree with him-to me, the Fed's move seems like it has lost control and is responding to events rather than anticipating them. And is the Fed just setting us up for the next bubble by again deciding to flood the markets with liquidity?

Friday, January 18, 2008

Summer Opportunity for Students

The Political Economy Research Center in Bozeman, Montana offers a one week seminar for
students interested in environmental economics. The information on how to apply is here.

Hayek and Hero Teachers

Friedrich Hayek argued that social constructs such as markets, language, the legal system, etc., were evolved processes derived from collective experience. While Hayek accepted that there were experts who harbored knowledge in specialized fields, he believed that the most important knowledge in society was widely dispersed among the population. Accordingly, no small group of central planners could ever hope to duplicate the hundreds of millions of decisions necessary to produce a top-down economic outcome superior to the one produced by a bottom-up market system.

Rather than the enlightened advice of a few elites, Hayek believed that a functioning society depended more on the distilled experience of the many which could be codified into rules of behavior. This collective knowledge is transmitted socially in largely inarticulate form leading to a “spontaneous order.” Competition among institutions results in the survival of cultural traits and behaviors that “work” even if the winners or losers never fully understand why they worked. To quote Hayek, there is “more ‘intelligence’ incorporated in the system of rules of conduct than in man’s thoughts about his surroundings.”

The inferior outcome resulting from intervention in evolved processes is not confined to market systems. For example, some educators and the media have perpetuated the myth of an idealistic hero teacher who enters an inner-city school and is shocked by the educational inadequacies. The hero teacher perseveres and by innovative teaching methods, personal sacrifice and a lot of heart inspires the students to win the state championship in music, mathematics, etc. We have all seen the movie but there is only one problem; to quote Tabarrock in Marginal Revolution “hero teachers are not replicable.” If hero teachers are required to save education then our children are in deep trouble. Fortunately, studies have shown there is a replicable method of teaching based on evolved process that does not require the instructor to be a hero. The method is known as Direct Instruction and employs a carefully constructed teaching script based on rules that rely more on perspiration than inspiration. Predictably, education elites vilify the Direct Instruction method as “rote learning” and instead advocate that every teacher blaze their own educational trail and aspire to hero status.

The myth of the hero teacher is also prevalent in higher education, particularly among universities with cultures that are still mired in their "teachers college" past. T he Direct Instruction script in higher education mean teaching a course that reflects the evolved body of knowledge within the professor's discipline. For students who want to be charmed, entertained or inspired it is cheaper to rent a movie, read a book or go to church.


Thursday, January 17, 2008

SteriodMania

The steroid controversy in baseball just is not going away. The Mitchell Report and the hearings in Congress continue to keep the problem in the public's eye. The use of steroids appears to have been fairly widespread in baseball before the advent of random testing last year. As with any activity, there are winners and losers. The winners, of course, are those who took steroids and other performance-enhancing drugs to improve and prolong their careers. Given the millions of dollars involved if one can prolong his career and/or enhance performance, it is not particularly surprising that an athlete would choose to use illegal drugs.
One columnist, Mike Celzic, indicates that the true losers are the minor leaguers who never made it to the majors because of the use of illegal drugs by major league baseball players. Celzic reports of at least one minor leaguer (Rich Harman) who is contemplating a suit against major league baseball claiming that its failure to stem the usage of performance-enhancing drugs led to he and many other minor leaguers having their paths to the big leagues blocked, presumably because many players who might otherwise have retired or would not have been successful in the big leagues without the illegal drugs were able to stay on.
This is probably a long shot of a lawsuit and legal scholars are divided on whether such a suit would have merit in a court of law. The claimant would have a pretty huge burden of proof to show that he was harmed. But the efficiency aspects of it are intriguing. If baseball players who used performance-enhancing drugs could be sued by minor leaguers claiming that their path to the big leagues was blocked by such cheats, this might be a more effective way to lead to the desired result, which, of course, is not to use the drugs. One successful suit for millions of dollars in damages might be enough to give correct incentives to all big league players to stay clean.

Wednesday, January 16, 2008

Schwarz is critical of FED

Anna Schwarz, co-author with Milton Friedman of A Monetary History of the United States, 1867-1960 is critical of current Fed chairman Ben Bernanke. Hat tip: Alex Tabbarok of Marginal Revolution. Since 1980 the monetarist regimes of the Fed have been largely successful at controlling inflation, but easy credit conditions following the bursting of the tech stock bubble in 2000 probably contributed to the sub-prime mortgage crisis.

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