We all know about rising health care costs. The health care industry is now about 17% of GDP. How behavior changes can help are in this article Gentlemen, 5 Easy Steps to Living Long and Well.
Here is an exerpt:
"Living past 90, and living well, may be more than a matter of good genes and good luck. Five behaviors in elderly men are associated not only with living into extreme old age, a new study has found, but also with good health and independent functioning.
The behaviors are abstaining from smoking, weight management, blood pressure control, regular exercise and avoiding diabetes. The study reports that all are significantly correlated with healthy survival after 90."
Thursday, February 28, 2008
Tuesday, February 26, 2008
More Bad Economic News
Here are exerpts from an article:
"...factories get squeezed by rising prices for energy, materials and labor" and
"stricter enforcement of labor and environmental standards, are causing some manufacturers to leave for lower-cost markets" and
"Costs have climbed so much that three-quarters of businesses surveyed...believe [the country] is losing its competitive edge."
The country? Is it the USA? No, it is China. You can read about it in As business costs rise in China, some firms exit for cheaper markets.
"...factories get squeezed by rising prices for energy, materials and labor" and
"stricter enforcement of labor and environmental standards, are causing some manufacturers to leave for lower-cost markets" and
"Costs have climbed so much that three-quarters of businesses surveyed...believe [the country] is losing its competitive edge."
The country? Is it the USA? No, it is China. You can read about it in As business costs rise in China, some firms exit for cheaper markets.
Sunday, February 24, 2008
Trees vs. Solar Power?
What is more important, having trees or using renewable energy like solar power? It seems that if your trees block the sun from getting through to your neighbor's solar cells, you have to cut them down. But if your trees were already there and then your neighbor put in the cells, you don't have to cut them down. This is a California law which says:
"The law requires homeowners to keep their trees or shrubs from shading more than 10 percent of a neighbor's solar panels between 10 a.m. and 2 p.m., when the sun is strongest. Existing trees that cast shadows when the panels are installed are exempt, but new growth is subject to the law."
You can read about this at Neighbors Clash Over Trees, Solar Power. My understanding of this case is that these Redwoods kept growing and are now casting a shadow over the solar cells that were installed after the Redwoods were there, but not as tall. This case reminds me of a blog entry I made last year called Environmentalists vs. . . . other environmentalists? Or, are birds more important than clean, cheap energy?. The idea there is that wind turbines might harm birds.
This all reminds me of The "COASE THEOREM" . It is an economic idea from the Nobel Prize winning economist Ronald Coase. It should not matter who has the property right in determining the most efficient outcome. In this case, the Redwoods owners could pay money to their neighbors so they would not have to cut them down. But the Redwood neighbors would have to care more about their trees than the neighbors care about renewable energy. If the court had ruled for the Redwood owners, and the solar neighbors cared more about their cause, they could pay the neighbors into cutting them down. So it does not matter who owns what. Whether the trees get cut down or not depends on who values their good or cause the most.
"The law requires homeowners to keep their trees or shrubs from shading more than 10 percent of a neighbor's solar panels between 10 a.m. and 2 p.m., when the sun is strongest. Existing trees that cast shadows when the panels are installed are exempt, but new growth is subject to the law."
You can read about this at Neighbors Clash Over Trees, Solar Power. My understanding of this case is that these Redwoods kept growing and are now casting a shadow over the solar cells that were installed after the Redwoods were there, but not as tall. This case reminds me of a blog entry I made last year called Environmentalists vs. . . . other environmentalists? Or, are birds more important than clean, cheap energy?. The idea there is that wind turbines might harm birds.
This all reminds me of The "COASE THEOREM" . It is an economic idea from the Nobel Prize winning economist Ronald Coase. It should not matter who has the property right in determining the most efficient outcome. In this case, the Redwoods owners could pay money to their neighbors so they would not have to cut them down. But the Redwood neighbors would have to care more about their trees than the neighbors care about renewable energy. If the court had ruled for the Redwood owners, and the solar neighbors cared more about their cause, they could pay the neighbors into cutting them down. So it does not matter who owns what. Whether the trees get cut down or not depends on who values their good or cause the most.
Thursday, February 21, 2008
Unemployment Has Been Good Recently
The time chart below shows the U.S. unemployment rates since 1970. We are at 4.9% right now. That is low, but not as low as the 4% we had in 2000. But if you look back at the 1970s and 1980s, we are still doing well.

But, as my students know, unemployment could be low if there are alot of discouraged workers out there, people who are not looking for jobs (they have given up). They are not part of the calculation of the UE rate. But, in the graph below, the blue line is the labor force participation rate (the % of adults who are working or trying to find work). The pink line represents the % of the adult population that have a job. Although not as high as around 2000, both of these numbers are higher than for the 1970s and most of the 1980s. So alot of people are trying to find jobs and alot of them do have jobs, by historical standards.
But, as my students know, unemployment could be low if there are alot of discouraged workers out there, people who are not looking for jobs (they have given up). They are not part of the calculation of the UE rate. But, in the graph below, the blue line is the labor force participation rate (the % of adults who are working or trying to find work). The pink line represents the % of the adult population that have a job. Although not as high as around 2000, both of these numbers are higher than for the 1970s and most of the 1980s. So alot of people are trying to find jobs and alot of them do have jobs, by historical standards.
Tuesday, February 19, 2008
Poverty Might Affect The Brain
Here is brief idea of what is going on:
"a deprived childhood may affect the physical development of the brain and render its owner less intellectually capable." That comes from The London Times article It’s just as you might think: being poor can damage your brain. Another article, Study shows stress affects brain growth, says "CHILDREN who suffer deprivation in early life show altered patterns of brain growth by the time they are teenagers." This article also said "the change in brain development might be a consequence of high blood levels of stress" and that "children who lived in poverty were likely to suffer more adverse consequences of stress." Another article, from the Financial Times, Poverty mars formation of infant brains, also discusses the issue.
But here is a quote from the Chronicle of Higher Education which tells a different story:
"While many of the researchers at the session supported the hypothesis that socioeconomic status plays a strong role in affecting brain development in children, Mabel L. Rice, director of the doctoral program in child language at the University of Kansas, described a new study that goes against the hypothesis, at least in the case of early verbal abilities. In tests of 1,766 children in Australia, Ms. Rice and her colleagues found no correlation between a child's verbal abilities at 24 months old and the parents' socioeconomic status or their education levels.
"The conclusion is that we don't want to assume too strongly that children of poverty are unable to acquire early vocabulary," she told The Chronicle."
That is not available online unless you subscribe to the Chronicle.
"a deprived childhood may affect the physical development of the brain and render its owner less intellectually capable." That comes from The London Times article It’s just as you might think: being poor can damage your brain. Another article, Study shows stress affects brain growth, says "CHILDREN who suffer deprivation in early life show altered patterns of brain growth by the time they are teenagers." This article also said "the change in brain development might be a consequence of high blood levels of stress" and that "children who lived in poverty were likely to suffer more adverse consequences of stress." Another article, from the Financial Times, Poverty mars formation of infant brains, also discusses the issue.
But here is a quote from the Chronicle of Higher Education which tells a different story:
"While many of the researchers at the session supported the hypothesis that socioeconomic status plays a strong role in affecting brain development in children, Mabel L. Rice, director of the doctoral program in child language at the University of Kansas, described a new study that goes against the hypothesis, at least in the case of early verbal abilities. In tests of 1,766 children in Australia, Ms. Rice and her colleagues found no correlation between a child's verbal abilities at 24 months old and the parents' socioeconomic status or their education levels.
"The conclusion is that we don't want to assume too strongly that children of poverty are unable to acquire early vocabulary," she told The Chronicle."
That is not available online unless you subscribe to the Chronicle.
Sunday, February 17, 2008
What the stimulus package means for you
I wanted my students to have some idea of how the economic stimulus plan might work and effect them. President Bush has signed the bill. So people will be getting rebate checks in a few months. How much you might get depends on your income, marital status and number of children. To read all about it go to What the stimulus package means for you. As I have explained in class, the hope is that people will spend this money, causing an increase in aggregate demand in the flat or relatively flat part of short run aggregate supply. This will increase Q or GDP in the economy, which will cause firms to hire more workers without causing might inflation (inflation could always occurr if SRAS shifted left if, for example, oil prices shoot up again). Also, lower interest rates will encourage people to borrow and spend, shifting AD to the right.
Thursday, February 14, 2008
A Special Valentine's Message On Romantic Love
Abstract: "Romantic love is characterized by a preoccupation with a deliberately restricted set of perceived characteristics in the love object which are viewed as means to some ideal ends. In the process of selecting the set of perceived characteristics and the process of determining the ideal ends, there is also a systematic failure to assess the accuracy of the perceived characteristics and the feasibility of achieving the ideal ends given the selected set of means and other pre-existing ends.
The study of romantic love can provide insight into the general process of introducing novelty into a system of interacting variables. Novelty, however, is functional only in an open system characterized by uncertainty where the variables have not all been functionally looped and system slacks are readily available to accommodate new things. In a closed system where all the objective functions and variables must be compatible to achieve stability and viability, adjustments in the value of some variables through romantic idealization may be dysfunctional if they represent merely residual responses to the creative combination of the variables in the open sub-system."
The author was K. K. Fung of the Department of Economics, Memphis State University, Memphis. It was from a journal article in 1979. More info on it is at this link. The entire article, which is not too long, can be found at this link. I originally became aware of this back in the early 1980s when another student at the University of Chicago showed it to me. It was in a magazine. The student was David Brooks, who now writes for the New York Times.
The study of romantic love can provide insight into the general process of introducing novelty into a system of interacting variables. Novelty, however, is functional only in an open system characterized by uncertainty where the variables have not all been functionally looped and system slacks are readily available to accommodate new things. In a closed system where all the objective functions and variables must be compatible to achieve stability and viability, adjustments in the value of some variables through romantic idealization may be dysfunctional if they represent merely residual responses to the creative combination of the variables in the open sub-system."
The author was K. K. Fung of the Department of Economics, Memphis State University, Memphis. It was from a journal article in 1979. More info on it is at this link. The entire article, which is not too long, can be found at this link. I originally became aware of this back in the early 1980s when another student at the University of Chicago showed it to me. It was in a magazine. The student was David Brooks, who now writes for the New York Times.
Tuesday, February 12, 2008
When Self-Interest Isn’t Everything
It might seem surprising to see an economist write an article with this title, but it was in the New York Times a few days ago by Robert Frank which you can read here. One thing he says is
"Self-interest is surely an important human motive, perhaps even the most important motive much of the time. But it is never the only important motive."
Another famous economist, Frank Knight, wrote in 1934:
"Life is at bottom an exploration in the field of values, an attempt to discover values, rather than on the basis of knowledge of them to produce and enjoy them to the greatest possible extent. We strive to 'know ourselves,' to find our real wants, more than to get what we want."
"Self-interest is surely an important human motive, perhaps even the most important motive much of the time. But it is never the only important motive."
Another famous economist, Frank Knight, wrote in 1934:
"Life is at bottom an exploration in the field of values, an attempt to discover values, rather than on the basis of knowledge of them to produce and enjoy them to the greatest possible extent. We strive to 'know ourselves,' to find our real wants, more than to get what we want."
Sunday, February 10, 2008
You Are What You Spend
That is the title of a very interesting New York Times article which you can read here. It is by two economists who work at the Federal Reserve bank in Dallas. They show that the level of consumption between rich and poor in this country is not as big as the difference between income. The poor often have resources that the government does not count, like capital gains. Here is one really interesting quote:
"At the average wage, a VCR fell from 365 hours in 1972 to a mere two hours today. A cellphone dropped from 456 hours in 1984 to four hours. A personal computer, jazzed up with thousands of times the computing power of the 1984 I.B.M., declined from 435 hours to 25 hours. Even cars are taking a smaller toll on our bank accounts: in the past decade, the work-time price of a mid-size Ford sedan declined by 6 percent."
"At the average wage, a VCR fell from 365 hours in 1972 to a mere two hours today. A cellphone dropped from 456 hours in 1984 to four hours. A personal computer, jazzed up with thousands of times the computing power of the 1984 I.B.M., declined from 435 hours to 25 hours. Even cars are taking a smaller toll on our bank accounts: in the past decade, the work-time price of a mid-size Ford sedan declined by 6 percent."
Friday, February 08, 2008
Studies Warn Biofuel Crops Could Accentuate Global Warming
That is the title of an article you can read here. In one of my classes this week, we read about ethanol in the book The Economics of Public Issues. This article talks about the environmental problems that biofuel crops might cause. Here is the first paragraph:
"Just one month ago, a study conducted by a team of American researchers concluded that there was nothing more environmental-friendly than the biofuel crops, that could reduce the greenhouse gas emissions by 94% and produce five times more energy. New studies however warn that by transforming the various ecosystems into biofuel crop fields would only accentuate the global warming phenomenon rather than reducing it. According to the latest estimations, converting natural ecosystems into biofuel crop fields is likely to release up to 420 times more carbon."
"Just one month ago, a study conducted by a team of American researchers concluded that there was nothing more environmental-friendly than the biofuel crops, that could reduce the greenhouse gas emissions by 94% and produce five times more energy. New studies however warn that by transforming the various ecosystems into biofuel crop fields would only accentuate the global warming phenomenon rather than reducing it. According to the latest estimations, converting natural ecosystems into biofuel crop fields is likely to release up to 420 times more carbon."
Wednesday, February 06, 2008
United Air to Charge Some Fliers for 2nd Checked Bag
That is the title of an article you can read here. Doing this will encourage people to bring fewer suitcases or pack their suitcases more efficiently. It could mean less weight on the plane, which is important with higher fuel costs. It makes sense that those with more bags pay more since they use more fuel. But people might just get a bigger suitcase. That one suitcase could carry all that they want and would mean no extra charge. You say the airlines should weigh everyone and charge people partly based on their weight. But that would mean weighing everyone. That would mean buying scales and taking the time to weigh everyone. So the suitcase policy is easier to carry out. It will work as long as people just don't go out and buy one big suitcase.
Sunday, February 03, 2008
Amazon.com Sells Book For Less Than The Publisher
I got an email from Amazon.com the other day offering to sell me a book for abut $14. It is a baseball book by Bill James, the well known stat guru. The book is published by ACTA Sports. A couple of hours later I get an email from ACTA sports wanting to sell it to me for $21.95 and they charge more for shipping than Amazon.com. So, of course, I ordered it from Amazon. It made me wonder, does ACTA sports know that I could by it for alot less at Amazon? Maybe not everyone gets that offer from Amazon. Maybe I got it because I have ordered other books from them and people who have not ordered much from Amazon before would not get the offer.
One way this might make sense for ACTA is that their email might simply alert me and others that a book is available. They might even know that some of us will head over to Amazon to buy it, but some won't and they will get a few extra bucks from them. In any event, the email might be a pretty cheap way to advertise.
One way this might make sense for ACTA is that their email might simply alert me and others that a book is available. They might even know that some of us will head over to Amazon to buy it, but some won't and they will get a few extra bucks from them. In any event, the email might be a pretty cheap way to advertise.
Thursday, January 31, 2008
Community Colleges Central to Nation's Welfare
The College Board released a report that suggests that strengthening community colleges is a key to maintaining economic growth in the future. You can read a news article about this article here. As the world economy grows more competitive, community colleges will play a significant role in training and re-training workers in new skills as well as exanding educational opporunties for all Americans.
Tuesday, January 29, 2008
Some Good Insights On Immigration
In one of my macro sections we read a chapter in The Economics of Macroissues on immigration. Of course, it is a big issue in this election year. The Sunday New York Times magazine had an in-depth article on immigration a couple of years ago. The author, Roger Lowenstein, talked to two of the top economists who study immigration, David Card and George Borjas. The article was called The Immigration Equation. The article paints a generally favorable view of immigration, although Borjas finds a downside.
Sunday, January 27, 2008
Venezuela's Chavez threatens to seize properties, citing price speculation
That is the title of an Associated Press article that you can read here. This relates to the first chapter of the book The Economics of Macroissues. It discusses how societies where he government can take away your property easily don't grow as fast in terms of per capita income. This could be a problem for Venezuela if Chavez starts doing this (or more of it).
The article also mentions that there are shortages of products like sugar whose prices are controlled. This is basic chapter 3 material in all of the textbooks I am using this semester. Chavez blames inflation on those hording goods. But we expect supply to decrease (that is, the supply line shifts to the left) when sellers expect higher prices in the future.
The article also mentions that there are shortages of products like sugar whose prices are controlled. This is basic chapter 3 material in all of the textbooks I am using this semester. Chavez blames inflation on those hording goods. But we expect supply to decrease (that is, the supply line shifts to the left) when sellers expect higher prices in the future.
Thursday, January 24, 2008
Government has no business meddling in the normal business cycle
That is the title of David Hendrick's business page column in the San Antonio Express-News the other day. You can read it here. Here is an exerpt:
"The "stimulus" being sought is too late. The recession already has started. By the time taxpayers find "more money in their pockets," to quote the Bush administration, the downturn will be easing."
This is similar to something we call "the policy lag" problem in economics. We can't always get a policy to work at the time we want it to. In fact, there has been some good news lately. The Wall Street Journal reported
"The number of U.S. workers filing new claims for unemployment benefits fell unexpectedly last week for a fourth-straight week, suggesting that a resilient labor market at the start of the year might keep the U.S. economy from sliding into recession." You can read that story here.
"The "stimulus" being sought is too late. The recession already has started. By the time taxpayers find "more money in their pockets," to quote the Bush administration, the downturn will be easing."
This is similar to something we call "the policy lag" problem in economics. We can't always get a policy to work at the time we want it to. In fact, there has been some good news lately. The Wall Street Journal reported
"The number of U.S. workers filing new claims for unemployment benefits fell unexpectedly last week for a fourth-straight week, suggesting that a resilient labor market at the start of the year might keep the U.S. economy from sliding into recession." You can read that story here.
Tuesday, January 22, 2008
Should Movie Downloaders Who Clog The Internet Pay More?
The San Antonio-Express News had an article titled In a test, Time Warner Net hogs will pay for bytes. The basic idea is that people downloading movies use up lots of bandwidth and that slows down things for the rest of us that use the internet for more basic purposes. Since they are slowing things down, maybe they should pay more. So if they do this less (which would follow the law of demand), then things would go faster for the rest of us. Some experts say that more broadband infrastructure could take care of the problem.
But these big downloaders might be creating what we call negative externalities. Some people impose costs on others like drivers who create pollution. One solution to that is to tax the polluting activity. This higher price on the movie downloaders is like a tax.
This is also like paying a toll on highways. When few people are on the highways, you don't need tolls. But if things get congested, one way to unclog them is to charge a toll. I had a blog entry on this a couple of months ago. You can read that here.
But these big downloaders might be creating what we call negative externalities. Some people impose costs on others like drivers who create pollution. One solution to that is to tax the polluting activity. This higher price on the movie downloaders is like a tax.
This is also like paying a toll on highways. When few people are on the highways, you don't need tolls. But if things get congested, one way to unclog them is to charge a toll. I had a blog entry on this a couple of months ago. You can read that here.
Sunday, January 20, 2008
Best Cities For Jobs In 2008
That is the name of an article that you can read here. Texas cities and Salt Lake City are high on the list. But it is never clear what anyone should do with this info. Should you move to one of these places? Maybe not, if lots of other people are. In that case the number of applicants might grow to more than the number of job openings. This kind of thing happens all the time. If we designate certain cities as the best to live in, more people might move there, driving up real estate prices and housing prices (and possibly creating other problems, like more air pollution). Then those places are not so great anymore.
Thursday, January 17, 2008
Kidnapping: An Occupational Hazard Faced by Drug and Immigrant Smugglers
Every occupation has its drawbacks. You probably think that they need to worry about shooting it out with rival gangs in turf wars. But there has been a rash of kidnappings in Phoenix. You can read about it in Kidnappings cross the border. Here is an exerpt:
"The kidnap victims are typically drug- or immigrant-smugglers, who are seen as inviting targets because they have a lot of money, they can raise large sums of cash on short notice, and they are unlikely to go to the police, for fear their own shady dealings will come to light."
I guess this is the high price of success. Many cases go unreported. Apparently the victims' families don't want to call the police. So they are more of a target and they can't go the authorities.
"The kidnap victims are typically drug- or immigrant-smugglers, who are seen as inviting targets because they have a lot of money, they can raise large sums of cash on short notice, and they are unlikely to go to the police, for fear their own shady dealings will come to light."
I guess this is the high price of success. Many cases go unreported. Apparently the victims' families don't want to call the police. So they are more of a target and they can't go the authorities.
Tuesday, January 15, 2008
Do Monkeys Pay for Sex?
That is the title of a Time Magazine article which you can read here. The male monkeys pay for sex by grooming the female monkeys. The article discusses how this behavior conforms to our ideas about supply & demand and scarcity. "The study also showed that the number of minutes that males spent grooming hinged on the number of females available at the time: The better a male's odds of getting lucky, the less nit-picking time the females received."
Adam Smith, in The Wealth of Nations, talked about the human race's "propensity to truck, barter, and exchange one thing for another." Maybe evolution has built this into us. For more on how our attitudes, especially in relation to economics, might come from other primates, read Why people believe weird things about money. (I saw this latter link at the Freakonomics blog)
Update: To any of my new students checking this out for the first time, I hope to generate some discussion on these issues so feel free to leave comments. You can do so anonymously if you want. I usually post something about 3 times a week, like Sunday, Tuesday and Thursday. Sometimes I am a day late.
Adam Smith, in The Wealth of Nations, talked about the human race's "propensity to truck, barter, and exchange one thing for another." Maybe evolution has built this into us. For more on how our attitudes, especially in relation to economics, might come from other primates, read Why people believe weird things about money. (I saw this latter link at the Freakonomics blog)
Update: To any of my new students checking this out for the first time, I hope to generate some discussion on these issues so feel free to leave comments. You can do so anonymously if you want. I usually post something about 3 times a week, like Sunday, Tuesday and Thursday. Sometimes I am a day late.
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