Methodology – Page 21 – artdiamondblog.com

Among Academic Economists Interest in Entrepreneurship is “A Quick Ticket Out of a Job”

From McCraw’s discussion of Schumpeter’s “legacy”:

(p. 500) In the new world of academic economics, neither the Schumpeterian entrepreneur as an individual nor entrepreneurship as a phenomenon attracts much attention. For professors in economics departments at most major universities, particularly in the United States and Britain, a focus on these favorite issues of Schumpeter’s has become a quick ticket out of a job. This development arose from a self-generated isolation of academic economics from history, sociology, and the other social sciences. It represented a trend that Schumpeter himself had glimpsed and lamented but that accelerated rapidly during the two generations after his death.

Source:
McCraw, Thomas K. Prophet of Innovation: Joseph Schumpeter and Creative Destruction. Cambridge, Mass.: Belknap Press, 2007.

Schumpeter’s Final Thoughts on the Importance of the Individual Entrepreneur

Here is McCraw discussing and quoting Schumpeter’s notes for the Walgreen Lectures that he was preparing to deliver just before he died.

(p. 475) In notes he prepared in 1949 for the prestigious Walgreen Lectures, Schumpeter headed one entire section “The Personal Element and the Element of Chance: A Principle of Indeterminateness.” Here, he wrote that the time had come for economists to face a problem they had long tried to dodge:

the problem of the influence that may be exerted by exceptional individuals, a problem that has hardly ever been treated without the most blatant preconceptions. Without committing ourselves either to hero worship or to its hardly less absurd opposite, we have got to realize that, since the emergence of exceptional indi-(p. 476)viduals does not lend itself to scientific generalization, there is here an element that, together with the element of random occurrences with which it may be amalgamated, seriously limits our ability to forecast the future. That is what is meant here by “a principle of indeterminateness.” To put it somewhat differently: social determinism, where it is nonoperational, is a creed like any other and entirely unscientific.

Source:
McCraw, Thomas K. Prophet of Innovation: Joseph Schumpeter and Creative Destruction. Cambridge, Mass.: Belknap Press, 2007.

“Theory” Said Gene Sequencing Technique Was “Impossible”

In the book The Genome War, the story is told about how the leading theorist proved the impossibility of the gene sequencing technique. It was the Venter group that gave it a try and proved it could work. This story is similar to the one about theory saying that what Marconi was trying, was impossible. (See: Larson, 2006.)
Rosenberg and Birdzell (1986) discuss the case that theory had proven how solid objects fall. But Galileo’s experiments proved them wrong. This established the primacy of experiment and evidence, over theory.
When governments decide, they usually do what is safe, which is to follow current theory (or in rare cases, they pick Lysenko).
The entrepreneurial system, takes advantage of the tacit individual knowledge that is out there, but not yet theoretically defensible, and allows it to percolate to success.

References:
Larson, Erik. Thunderstruck. New York: Crown, 2006.
Rosenberg, Nathan, and L.E. Birdzell, Jr. How the West Grew Rich: The Economic Transformation of the Industrial World. New York: Basic Books, 1986.
Shreeve, James. The Genome War: How Craig Venter Tried to Capture the Code of Life and Save the World. 1st ed. New York: Alfred A. Knopf, 2004.

The Method of Milton Friedman’s Practice Was Better Than the Method of His Essay

The method of the Chicago School is often thought to be the method outlined in Friedman’s famous essay “The Methodology of Positive Economics.” It can be (and has been) persuasively argued that the actual methodology practiced by Friedman is broader, and more eclectic than that advocated in his early essay.
His practice continued to exemplify a kind of empiricism, but it was a kind of empiricism that included, not only ‘rigorous’ econometrics, but also economic history, case studies, and ‘stylized facts.’
I believe that the method of Friedman’s practice is sounder than the method of his essay. So it is unfortunate that the Institute founded in Friedman’s name will probably only support those who practice the formal method of the essay.

(p. B5) The University of Chicago will announce Thursday that it plans to establish a center for economics honoring the late economist Milton Friedman.
The school plans to raise an endowment of $200 million to support the Milton Friedman Institute.
. . .
. . . his approach to economics embodies what has come to be known as the Chicago School. He defined that as “an approach that insists on the empirical testing of theoretical generalizations and that rejects alike facts without theory and theory without facts.”
It is that approach, and the intellectual rigor that Mr. Friedman brought to it, that the Friedman Institute is meant to advocate, rather than any ideology, says Chicago economist Gary Becker, a Nobel Prize-winning former student of Mr. Friedman’s who was on the faculty committee that recommended the institute.

For the full story, see:
JUSTIN LAHART. “University Plans Institute to Honor Milton Friedman.” The Wall Street Journal (Thurs., May 15, 2008): B5.
(Note: ellipses added.)
The famous Friedman method essay is:
Friedman, Milton. “The Methodology of Positive Economics.” In Essays in Positive Economics, 3-43. Chicago: University of Chicago Press, 1953.

Science Would Advance Faster if Results of Failed Experiments Were Easier to Find

The passages below are from a WSJ summary of an October 2007 article in Wired:

(p. B7) Scientists shouldn’t be so quick to squelch the results of failed experiments, Wired Deputy Editor Thomas Goetz says.

Even if data don’t deliver hoped-for results, they still have uses. This is especially the case today, when some compelling discoveries have come from meta-studies, in which statisticians sift the data of several papers to reach conclusions. “Your dead end may be another scientist’s missing link, the elusive chunk of data they needed,” Mr. Goetz says. Making such data available might one day fuel advances in genetics, neuroscience and biotechnology, he contends.

For the full summary, see:
“The Informed Reader; Science; Researchers’ ‘Dark Data’ Should Be Brought to Light.” The Wall Street Journal (Thurs., Oct. 4, 2007): B7.

“Sometimes It Pays to Read the Old Literature”

(p. A1) Researchers in New York believe they have solved one of the great mysteries of the flu: Why does the infection spread primarily in the winter months?

The answer, they say, has to do with the virus itself. It is more stable and stays in the air longer when air is cold and dry, the exact conditions for much of the flu season.

. . .

(p. A22) To his surprise, Dr. Palese stumbled upon a solution that appeared to be a good second best.

Reading a paper published in 1919 in the Journal of the American Medical Association on the flu epidemic at Camp Cody in New Mexico, he came upon a key passage: “It is interesting to note that very soon after the epidemic of influenza reached this camp, our laboratory guinea pigs began to die.” At first, the study’s authors wrote, they thought the animals had died from food poisoning. But, they continued, “a necropsy on a dead pig revealed unmistakable signs of pneumonia.”

Dr. Palese bought some guinea pigs and exposed them to the flu virus. Just as the paper suggested, they got the flu and spread it among themselves. So Dr. Palese and his colleagues began their experiments.

. . .

As for Dr. Palese, he was glad he spotted the journal article that mentioned guinea pigs.

“Sometimes it pays to read the old literature,” he said.

For the full story, see:

GINA KOLATA. “Study Shows Why the Flu Likes Winter.” The New York Times (Weds., December 5, 2007): A1 & A22.

(Note: ellipses added.)

Government Biologists Spend Big Bucks Protecting Wrong Fish

“Without DNA tests, the rare greenback cutthroat trout, left, and the Colorado River cutthroat fish are difficult to tell apart.” Source of caption and photo: online version of the NYT article quoted and cited below.

(p. 26) DENVER, Oct. 13 (AP) — State and federal biologists, who are smarting from research showing that they may have been protecting the wrong fish the past 20 years, are regrouping in their efforts to restore the rare greenback cutthroat trout to Colorado waters.

Tom Nesler, the state biologist, had hoped to see the fish removed from the endangered species list during his career. He concedes that might not happen if it turns out some of the greenback populations biologists thought they were saving are actually the similar but more common Colorado River cutthroat trout.

A three-year study led by University of Colorado researchers and published in August found that out of nine fish populations believed to be descendants of original greenbacks, five were actually Colorado River cutthroat trout.

The recovery effort was thought to be near its goal of establishing 20 self-sustaining greenback populations.

“Hey, science happens,” said Mr. Nesler with a shrug as he discussed the findings.

. . .

The Colorado Division of Wildlife has spent an average of $320,000 annually for the past five years to restore the greenback. Most of the money has come from state lottery revenue; no state tax dollars have been used.

. . .

“Science is not about proof and certainty,” he said, “it’s about testable hypotheses.”

For the full story, see:

THE ASSOCIATED PRESS. “After Possible ‘Oops,’ a Trout Rescue Project Regroups.” The New York Times, First Section (Sun., October 14, 2007): 26.

(Note: ellipses added.)

Private Money Supports Quest for Dinosaur DNA

Source of graphic: the online version of the WSJ article quoted and cited below.

(p. A1) JORDAN, Mont. — Prospecting in Montana’s badlands, rock ax in hand, paleontologist Jack Horner picks up a piece of the jawbone of a dinosaur. He examines the splinter, then puts it back and moves on. It isn’t the kind of bone he is looking for.

Prof. Horner is searching for something that many scientists believe no longer exists: dinosaur bones that harbor blood cells, protein and, perhaps, even DNA.

"Most people looking for dinosaurs are looking for beautiful skeletons," he says. "We are looking for information."

. . .

Prof. Horner, a curator at the Museum of the Rockies in Bozeman, is among the world’s most influential and offbeat paleontologists. He pioneered studies of dinosaur parent-(p. A12)ing behavior, species variation and bone cells. He is dyslexic, a former Special Forces operative of the Vietnam War era, a MacArthur Foundation "genius" fellow, and a chaired professor of Montana State University who never finished a formal college degree.

"The lenses that people normally use to look at stuff are broken in Jack," says Mary Schweitzer, an assistant professor of paleontology at North Carolina State University, who has worked with him for years. "That’s what makes Jack such a good scientist. Every now and then, every field should get a renegade weirdo in it who challenges assumptions."

. . .

"The chances of finding any [dinosaur] DNA are pretty low," Prof. Horner acknowledges. "I am still hopeful."

In a field mostly outside the mainstream of federal research funding, Prof. Horner has a knack for attracting private grants. Star Wars producer George Lucas, Qualcomm co-founder Klein Gilhousen and Wade Dokken, a developer of Montana real estate, have contributed toward his research, the university says. Nathan Myhrvold, formerly chief technology officer at Microsoft Corp. and co-founder of Intellectual Ventures LLC, is helping to underwrite this season’s fieldwork.

This summer, in Montana’s Hell Creek Formation, Prof. Horner is searching the last landscape inhabited by dinosaurs. More than 65 million years ago, this plain was a wetland where herds of horned Triceratops watered. Today, it is an arid outwash of boulders, cactus and sage. The red and gray soil is littered with white shards of petrified wood that ring like bone china when tapped together and countless crumbs of dinosaur bone.

. . .

"As long as you are not bound by preconceived ideas of what you can find," Prof. Horner says, "there are an awful lot of things you can discover."

For the full story, see:

ROBERT LEE HOTZ. "Dinosaur Hunter Seeks More Than Just Bare Bones; Prof. Horner Searches For Traces of Blood, DNA; Lucky Break From T. Rex." The Wall Street Journal (Fri., August 24, 2007): A1 & A12.

(Note: ellipses added.)

At top, Prof. Horner; at bottom: "Sarah Keenan, 21, an undergraduate at the University of St. Andrews in Scotland who is working this summer for Prof. Horner, covers the fossilized triceratops frill in a protective jacket of plaster." Source of caption and photos: the online version of the WSJ article quoted and cited above.

Marconi Matters

Source of book image: http://palmaddict.typepad.com/photos/uncategorized/big_larsonthunderstruckdrm_1.jpg

Larson’s book plays off a murder mystery against Marconi as the innovator who brought us communication through the air.

I’m most enthused about hte Marconi part. It shows how he proceeded against the theorists of the day, whose theories told them that what he was trying to do was impossible. He was more entrepreneur, than scientist. And it turned out that it was a good thing that the theoretical scientists did not rule, as they might if all decisions about technology were made by the government.

What happened here is an example of what Taleb would call a Black Swan.

Source:

Larson, Erik. Thunderstruck. New York: Crown, 2006.

Let the Evidence Decide if the Mapinguary is Myth or Real

A statue of the mapinguary in Rio Branco, Brazil. Source of the photo: online version of the NYT article quoted and cited below.

RIO BRANCO, Brazil — Perhaps it is nothing more than a legend, as skeptics say. Or maybe it is real, as those who claim to have seen it avow. But the mere mention of the mapinguary, the giant slothlike monster of the Amazon, is enough to send shivers down the spines of almost all who dwell in the world’s largest rain forest.

The folklore here is full of tales of encounters with the creature, and nearly every Indian tribe in the Amazon, including those that have had no contact with one another, have a word for the mapinguary (pronounced ma-ping-wahr-EE). The name is usually translated as “the roaring animal” or “the fetid beast.”

. . .

The giant ground sloth, Megatherium, was once one of the largest mammals to walk the earth, bigger than a modern elephant. Fossil evidence is abundant and widespread, found as far south as Chile and as far north as Florida. But the trail stops cold thousands of years ago.

“When you travel in the Amazon, you are constantly hearing about this animal, especially when you are in contact with indigenous peoples,” said Peter Toledo, an expert on sloths at the Goeldi Institute. “But convincing scientific proof, in the form of even vestiges of bones, blood or excrement, is always lacking.”

Glenn Shepard Jr., an American ethnobiologist and anthropologist based in Manaus, said he was among the skeptics until 1997, when he was doing research about local wildlife among the Machiguenga people of the far western Amazon, in Peru. Tribal members all mentioned a fearsome slothlike creature that inhabited a hilly, forested area in their territory.

Dr. Shepard said “the clincher that really blew me away” came when a member of the tribe remarked matter of factly that he had also seen a mapinguary at the natural history museum in Lima. Dr. Shepard checked; the museum has a diorama with a model of the giant prehistoric ground sloth.

“At the very least, what we have here is an ancient remembrance of a giant sloth, like those found in Chile recently, that humans have come into contact with,” he said. “Let me put it this way: Just because we know that mermaids and sirens are myths doesn’t mean that manatees don’t exist.”

Even so, the mystery of the mapinguary is likely to continue, as is the search.

“There’s still an awful lot of room out there for a large sloth to be roaming around,” Dr. Shepard said.

For the full story, see:

LARRY ROHTER. "A Huge Amazon Monster Is Only a Myth. Or Is It?" The New York Times, Section 1 (Sun., July 8, 2007): 3.

(Note: ellipsis added.)

Some scientists believe that the mapinguary may be based on actual sightings of a real creature related to the Megarium, two of whom are depicted above. Source of the photo: online version of the NYT article cited above.

Source of the map: online version of the NYT article cited above.