Expert insights. Personalized for you.
Advice from one of the editors of REStat (and University of Kentucky PhD): Free Advice to Economists: When you put up regression tables, take a single coefficient and use it in a sentence in English. Amitabh Chandra (@amitabhchandra2) February 7, 2017 MORE
Mickey Copeland Statistics Compiler. As a nation, we’re doing a terrible job of manipulating statistics.”. America's Finest News Source: According to a new report from the National Oceanic and Atmospheric Administration, July was the hottest month since recordkeeping began in 1880, averaging 1.46 degrees hotter than the July average and beating the previous record-setting month by.14 degrees. What do you think? MORE
Publication bias exists if journal referees and editors tend to reject papers that exhibit statistically insignificant results than the same quality papers with statistically significant results, where statistically significant is defined as a 95% chance that your regression coefficient is not equal to zero. Here is a picture of spike in t-statistics a little greater than 1.96 MORE
Test question*: Consider a class of 10 people taking a statistics test. That's how STATISTICS works. The scores of those 10 people are: 50%, 52%, 55%, 55%, 60%, 65%, 75%, 75%, 95%, 100%. A) What is the average test score? B) What is the median test score? C) How many people scored below the average? D) How many people scored below the median? Apparently, Donald Trump Jr. would fail this test. Correct answers: a) 68.2%. b) 60%<Median<65%. MORE
era, sound statistical analysis will still be important, but no single numerical value, and certainly not the p-value, will substitute for thoughtful statistical and scientific reasoning. p=0.0168), not discrete (p<0.05), and the quickest way to get an idea about statistical significance from computer output. However, during the actual conduct of statistical testing, this advice is not often heeded. a t-statistic of 1.37 MORE
View original here: Statistic of the decade: 8.4 That’s equivalent to about 10.3 million American football fields. million soccer fields of land deforested in the Amazon. Business Green about-10-3 brazil engage-with football-fields important-for leadership names in the news policy & politics MORE
830) In Whitehead (2020) I used the Delta Method confidence intervals in my statistical tests. In each model the constant and the coefficient on the cost amount are statistically different from zero. MORE
Every Appstate business graduate could figure this one out: A consultant to the state lottery said in a recent report that spending on ads is “highly related” to sales. Recent figures in North Carolina don’t bear that out. For example, ad spending jumped by 17 percent from the 2009-10 fiscal year to the next. But sales increased only 2.8 percent. The next year, ad sales increased by a more modest 6.5 percent, but gross sales jumped by nearly 9 percent. MORE
Hoover had a paper on molecular dynamics rejected by two journals the Journal of Statistical Physics. The Journal of Statistical Physics accepted it. Retraction Watch: When science writer Vito Tartamella noticed a physics paper co-authored by Stronzo Bestiale (which means “total a **e” in Italian) he did what anyone who’s written a book on surnames would do: He looked it up in the phonebook. What he found was a lot more complicated than a funny name. MORE
Via Retraction Watch: After reading too many papers that either are not reproducible or contain statistical errors (or both), the American Statistical Association (ASA) has been roused to action. Here are the six principles from the ASA statement: P-values can indicate how incompatible the data are with a specified statistical model. A p-value, or statistical significance, does not measure the size of an effect or the importance of a result. MORE
We often to talking about the value of a statistical life (John, why don't we have a primer on VSL in Env-Econ 101?) , but less frequently talk about the cost of saving a statistical life. So here you go: A U.S. aid program aimed at helping foreign countries battle the AIDS epidemic saved 740,000 lives from 2004-2008, according to a study published Tuesday. The U.S. MORE
The statistical model that predicts collapse is very simple with a flow variable (collapsed fisheries that varies from year to year) regressed on a stock variable (cumulative number of years in the time series data). My results aren't as impressive as those in the papers but it indicates a statistically significant relationship. From a reporter: What I'm interested in is: 1. Your reaction to the study. MORE
2019) , in the context of estimating the value of a statistical life (VSL), say (emphasis added): Concerns regarding responsiveness to scope in CV studies are not novel; indeed, instances of scope insensitivity are widespread within the literature (Ojea and Loureiro, 2011). "The Value of Statistical Life for Adults and Children: Comparisons of the contingent valuation and chained approaches." Bamford et al. MORE
KFC executives chose to lay the statistics bare so that they can make improvements and keep tracking the progress in the future. Green a-pretty-strong condition data health kfc spotlight statistics utensilsA recent report released by fast-food giant KFC shows that three out of 10 chickens sold by the restaurant suffer from footpad dermatitis. This is a condition typically caused by keeping chickens in a poorly ventilated environment or a lack of proper hygiene. MORE
Households have cut back on vehicle fuel over the past decade, but not on gas and air travel, according to analysis published today by the Office for National Statistics. Climate Week Office for National StatisticsThe release, published to mark the start of Climate Week (4 to 8 March 2013), shows: · Use of vehicle fuel remained relatively flat between 2002 and 2007 before falling 24% per head in the next five years. · Air travel increased by 13% between Q3 2002 and Q3 2012. MORE
View some interesting meat consumption statistics Do you know how much meat you eat? What about people in other countries? What's the big deal anyway? MORE
Monetizing Bowser: A Contingent Valuation of the Statistical Value of Dog Life. An important shadow price in the analysis of policies affecting human mortality is the value of statistical life (VSL), which is imputed from how people make decisions involving tradeoffs between small mortality risks and other goods. Why not? Deven Carlson, Simon Haeder, Hank Jenkins-Smith, Joseph Ripberger Abstract. Households in the USA spend about $70 billion annually on pets. MORE
But a lot of people with classical statistics and econometrics training don’t realize this: they thing regression coefficients are unbiased estimates, but nobody ever told them that the biases can be huge when there is selection for statistical significance. And, remember, selection for statistical significance is not just about the “file drawer” and it’s not just about “p-hacking.” Andrew Gelman: Again, I’m not saying that Heckman and his colleagues are doing this. MORE
Eurostat, the statistics agency for the European Union, recently released their report titled “Statistical Aspects of the Energy Economy in 2009”. The European Union is a world leader in renewable energy. Overall, the world leaders in offshore wind energy, solar energy and other renewable energy can be found in the European Union. This fact will likely change in the future with the growth of China in the sector alongside the United States. MORE
oil production, the Associated Press finds no statistical correlation between how much is pumped out of the ground and how much is paid at the pump. production goes up, the price of gas "is certainly not going down," said New York University statistics professor Edward Melnick. "The " AP's statistical analysis examined monthly, inflation-adjusted prices and production from the Energy Department stretching back to January 1976, when they were first recorded. MORE
by Michael Smith (Veshengro) According to the ONS (Office of National Statistics) we have less than 7 years landfill capacity left in the UK. landfills Office of National Statistics waste management waste waste reductionThe fact is that some areas have no capacity left, SE England only 3 years or so capacity left. This information was distributed by Tweeter @earthexchange (Alex Albon) from Cheshire, UK, and I would not doubt this one bit. MORE
Yes to this : A sloppy attitude towards statistics has led to exaggerated and unjustified claims becoming commonplace in science, according to one of Britain’s most eminent statisticians. Speaking ahead of his president’s address to the Royal Statistical Society, Prof Sir David Spiegelhalter, said that questionable practices such as cherry-picking data and “hacking statistics” to make findings appear more dramatic threatens to undermine public trust in science. “We’re MORE
Solar panels have been one of the most successful renewable energy sources for individual households in the UK, with government estimates suggesting that nearly 4 million UK households will have solar panels fitted by 2020. This optimistic statement came as the government were preparing to cut back subsidies for homes using solar energy and shows that the government at least, don’t think that homeowners will be deterred by the cut in Feed-In Tariffs (FiT). SolarPanels.co.uk MORE
Did you know that across the world people waste almost HALF of their food? This means that HALF the food grown by farmers, HALF the food shipped across the globe, HALF the food in the grocery store and HALF the food you purchase ends up wasted. Shocking, right? MORE
I’m going to thank Donald Trump Jr. for providing a simple way to visualize our decisions regarding human refugees. He said that we should pretend that “those people” are skittles, not someone we could ever imagine being a loved-one– capable of thought, compassion, joy and loss as we believe of ourselves.In MORE
Given the statistical uncertainty of the WTP estimate, it is impossible to conduct any sort of hypothesis test with these data. the cost coefficient is not negative and statistically different from zero). DMT (2020) draw attention to my treatment of the weighted WTP estimates. MORE
The National Park Service provides visitor park statistics. Each park's statistics also include "Visitor Use Counting Procedures," which are a series of PDF files on the methods, which NPS suggests you check to see if a change in procedures could have affected counts. A while back I was looking for recreation data that I could match to water quality data, particularly in the Gulf. The MORE
Below you'll find a request-to-post a call for participants in the Scientific and Statistical Committee for the Gulf of Mexico Fishery Management Council from the inbox. Gulf of Mexico Fishery Management Council Recruiting for its Scientific and Statistical Committees, Stock Assessment Panels, and Socioeconomic Panel The Gulf of Mexico Fishery Management Council is soliciting applications for seats currently available on its Standing and Special Scientific and Statistical Committees. MORE
Clean energy and clean air lovers hooted and hollered yesterday when the American Wind Energy Association announced some outstanding 2012 wind power statistics - namely this one: Wind was the top new energy source to come online in 2012. Compass. « Cars and Refrigerators Can Work Together | Main. Saving Money with Solar and Energy Efficiency in Southern California » The Latest Great Clean Energy News. MORE
" and "It Helps You Learn and Tells You What to Write in Your Essay" It took me about 10 minutes to create an account, load some data and estimate a willingness-to-pay regression model: It's not hard to imagine how much more effective DataSplash will be for teaching statistics relative to Excel. Thomas Stratmann at medium.com ( Five Ways to Write a Better Essay ): It’s the end of the semester. Your term paper is due soon. MORE
Rainy days and Mondays always get me down: On Monday, researchers from Yale and Utah State University unveiled a new statistical technique that allows an in-depth accounting of Americans’ attitudes toward global warming. The resulting maps —down to the county level—reveal some interesting takeaways. via common-resources.org. Here is my favorite MORE
"Retrospectives: The Cold-War Origins of the Value of Statistical Life." This paper traces the history of the "Value of Statistical Life" (VSL), which today is used routinely in benefit-cost analysis of life-saving investments. The "value of statistical life" terminology was introduced by Thomas Schelling (1968) in his essay, "The Life You Save May Be Your Own." Any revision of this paper will include a citation to: Banzhaf, H Spencer. 2014. "Retrospectives: MORE
" Review of Economics and Statistics, April 10, 2017 Then your publication chance is much lower: Abstract: This paper employs a unique dataset on articles, authors and editors of the top general interest journals in economics to investigate the role of social connections in the publication process. Ties between editors and authors are identified based on their academic histories. MORE
Hotels News green hotels Green Travel News green travel statistics green travel trends ReutersHoteliers around the globe were asked if they have eco-friendly practices in place, and 81 percent of U.S. hotel respondents said they do—scoring only seventh in the world. The top six green hotel destinations U.S. hotels rank 7th in being green, survey says is a post from: Green Traveler Guides. MORE
Click here to find a draft letter asking members of Congress to support and fund Federal statistics. From "The Association of Public Data Users": With a new Congress and Administration, it is important to reiterate to policymakers the importance of federal data programs. In order to make as large an impact as possible, we encourage respected leaders in the business, policy, and academic communities to sign the letter and demonstrate their support. MORE
Sometimes it can be difficult to relay to people just how much we consume; particularly those of us in developed countries where we often reach hyperconsumption levels. Here's some fast facts you can bounce off folks to at least get them thinking about their consumption patterns and the associated environmental impact MORE
Only two of the five coefficients (B) on the bid variable are statistically significant at the p=.10 Any use of a two-tailed test to argue that statistical results are as statistically significant as they seem when a one-tailed test is more appropriate is overly harsh. The only statistically significant difference in the yes responses at different cost amounts is between $80 and $125. MORE
Andrew Gelman: Dear Major Academic Publisher, You just sent me, unsolicited, an introductory statistics textbook that is 800 pages and weighs about 5 pounds. And, the worst thing is, this isn’t even your only introductory statistics book! I like them as a continuous measure of statistical significance, I don't see anything special about the.01,05 and.10 is not statistically significant. It is statistically significant at the p = 0.08 MORE
It’s an interesting story, delving into the O’s current success, Walters’ statistical contributions, and the history of his interest in the game. Skip Sauer at The Sports Economist: The Baltimore Sun reports on one of our own , economist Stephen Walters, who runs some numbers for his hometown Baltimore Orioles. via thesportseconomist.com. You may ask, why didn't you send this as a private email to Tim? Good question MORE
According to the US Bureau of Labor Statistics, Wisconsin was the only state in the country to have statistically significant job losses in the past year. Skip to Main Content Area. Contact Us. News Feeds. Podcasts. Privacy Policy. RSS Feeds. Volunteer. Optional Member Code. Sign up. Reports Lisa Graves. Mary Bottari. Brendan Fischer. Rebekah Wilce. Harriet Rowan. Contributing Writers Beau Hodai. Jill Richardson. Wendell Potter. Will Dooling. Take Action. Latest News. MORE
It is well-known that confidence intervals can overlap and yet the t-statistic for the test will indicate that the difference in means is statistically different. The mistake that I made was not checking the t-statistic. MORE
The statistics on water scarcity, poor quality, inequity and lack of access to safe drinking water, sanitation and hygiene remain appalling and unacceptable. Most important, the statistics on water scarcity, poor quality, inequity and lack of access to safe drinking water, sanitation and hygiene remain appalling and unacceptable. Business Eco Green answers digital electric front sdg statistics stockton-mayor water-scarcity- zev MORE
Statistics Related Topics Environmental Economics
JANUARY 7, 2019
The National Park Service provides visitor park statistics. Each park's statistics also include "Visitor Use Counting Procedures," which are a series of PDF files on the methods, which NPS suggests you check to see if a change in procedures could have affected counts. A while back I was looking for recreation data that I could match to water quality data, particularly in the Gulf. The
Environmental Economics
NOVEMBER 28, 2016
" and "It Helps You Learn and Tells You What to Write in Your Essay" It took me about 10 minutes to create an account, load some data and estimate a willingness-to-pay regression model: It's not hard to imagine how much more effective DataSplash will be for teaching statistics relative to Excel. Thomas Stratmann at medium.com ( Five Ways to Write a Better Essay ): It’s the end of the semester. Your term paper is due soon.
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Green Living Tips
MARCH 21, 2009
Sometimes it can be difficult to relay to people just how much we consume; particularly those of us in developed countries where we often reach hyperconsumption levels. Here's some fast facts you can bounce off folks to at least get them thinking about their consumption patterns and the associated environmental impact
Green Living Tips
MAY 18, 2009
View some interesting meat consumption statistics Do you know how much meat you eat? What about people in other countries? What's the big deal anyway?
Environmental Economics
MAY 17, 2012
We often to talking about the value of a statistical life (John, why don't we have a primer on VSL in Env-Econ 101?) , but less frequently talk about the cost of saving a statistical life. So here you go: A U.S. aid program aimed at helping foreign countries battle the AIDS epidemic saved 740,000 lives from 2004-2008, according to a study published Tuesday. The U.S.
Environmental Economics
MAY 14, 2019
2019) , in the context of estimating the value of a statistical life (VSL), say (emphasis added): Concerns regarding responsiveness to scope in CV studies are not novel; indeed, instances of scope insensitivity are widespread within the literature (Ojea and Loureiro, 2011). "The Value of Statistical Life for Adults and Children: Comparisons of the contingent valuation and chained approaches." Bamford et al.
Environmental Economics
JUNE 17, 2014
Every Appstate business graduate could figure this one out: A consultant to the state lottery said in a recent report that spending on ads is “highly related” to sales. Recent figures in North Carolina don’t bear that out. For example, ad spending jumped by 17 percent from the 2009-10 fiscal year to the next. But sales increased only 2.8 percent. The next year, ad sales increased by a more modest 6.5 percent, but gross sales jumped by nearly 9 percent.
Environmental Economics
OCTOBER 23, 2017
Environmental Economics
MARCH 7, 2016
era, sound statistical analysis will still be important, but no single numerical value, and certainly not the p-value, will substitute for thoughtful statistical and scientific reasoning. p=0.0168), not discrete (p<0.05), and the quickest way to get an idea about statistical significance from computer output. However, during the actual conduct of statistical testing, this advice is not often heeded. a t-statistic of 1.37
Environmental Economics
MARCH 7, 2016
Via Retraction Watch: After reading too many papers that either are not reproducible or contain statistical errors (or both), the American Statistical Association (ASA) has been roused to action. Here are the six principles from the ASA statement: P-values can indicate how incompatible the data are with a specified statistical model. A p-value, or statistical significance, does not measure the size of an effect or the importance of a result.
Environmental Economics
FEBRUARY 8, 2017
Advice from one of the editors of REStat (and University of Kentucky PhD): Free Advice to Economists: When you put up regression tables, take a single coefficient and use it in a sentence in English. Amitabh Chandra (@amitabhchandra2) February 7, 2017
AGreenLiving
JANUARY 3, 2020
View original here: Statistic of the decade: 8.4 That’s equivalent to about 10.3 million American football fields. million soccer fields of land deforested in the Amazon. Business Green about-10-3 brazil engage-with football-fields important-for leadership names in the news policy & politics
Green Prophet
SEPTEMBER 21, 2016
I’m going to thank Donald Trump Jr. for providing a simple way to visualize our decisions regarding human refugees. He said that we should pretend that “those people” are skittles, not someone we could ever imagine being a loved-one– capable of thought, compassion, joy and loss as we believe of ourselves.In
Green (Living) Review
JUNE 19, 2012
Solar panels have been one of the most successful renewable energy sources for individual households in the UK, with government estimates suggesting that nearly 4 million UK households will have solar panels fitted by 2020. This optimistic statement came as the government were preparing to cut back subsidies for homes using solar energy and shows that the government at least, don’t think that homeowners will be deterred by the cut in Feed-In Tariffs (FiT). SolarPanels.co.uk
Environmental Economics
OCTOBER 31, 2017
Test question*: Consider a class of 10 people taking a statistics test. That's how STATISTICS works. The scores of those 10 people are: 50%, 52%, 55%, 55%, 60%, 65%, 75%, 75%, 95%, 100%. A) What is the average test score? B) What is the median test score? C) How many people scored below the average? D) How many people scored below the median? Apparently, Donald Trump Jr. would fail this test. Correct answers: a) 68.2%. b) 60%<Median<65%.
Green Traveler Guides
AUGUST 15, 2012
Hotels News green hotels Green Travel News green travel statistics green travel trends ReutersHoteliers around the globe were asked if they have eco-friendly practices in place, and 81 percent of U.S. hotel respondents said they do—scoring only seventh in the world. The top six green hotel destinations U.S. hotels rank 7th in being green, survey says is a post from: Green Traveler Guides.
Environmental Economics
FEBRUARY 21, 2011
Below you'll find a request-to-post a call for participants in the Scientific and Statistical Committee for the Gulf of Mexico Fishery Management Council from the inbox. Gulf of Mexico Fishery Management Council Recruiting for its Scientific and Statistical Committees, Stock Assessment Panels, and Socioeconomic Panel The Gulf of Mexico Fishery Management Council is soliciting applications for seats currently available on its Standing and Special Scientific and Statistical Committees.
Green (Living) Review
MARCH 4, 2013
Households have cut back on vehicle fuel over the past decade, but not on gas and air travel, according to analysis published today by the Office for National Statistics. Climate Week Office for National StatisticsThe release, published to mark the start of Climate Week (4 to 8 March 2013), shows: · Use of vehicle fuel remained relatively flat between 2002 and 2007 before falling 24% per head in the next five years. · Air travel increased by 13% between Q3 2002 and Q3 2012.
PR Watch
APRIL 25, 2012
According to the US Bureau of Labor Statistics, Wisconsin was the only state in the country to have statistically significant job losses in the past year. Skip to Main Content Area. Contact Us. News Feeds. Podcasts. Privacy Policy. RSS Feeds. Volunteer. Optional Member Code. Sign up. Reports Lisa Graves. Mary Bottari. Brendan Fischer. Rebekah Wilce. Harriet Rowan. Contributing Writers Beau Hodai. Jill Richardson. Wendell Potter. Will Dooling. Take Action. Latest News.
Green (Living) Review
FEBRUARY 15, 2011
by Michael Smith (Veshengro) According to the ONS (Office of National Statistics) we have less than 7 years landfill capacity left in the UK. landfills Office of National Statistics waste management waste waste reductionThe fact is that some areas have no capacity left, SE England only 3 years or so capacity left. This information was distributed by Tweeter @earthexchange (Alex Albon) from Cheshire, UK, and I would not doubt this one bit.
AGreenLiving
SEPTEMBER 23, 2020
The statistics on water scarcity, poor quality, inequity and lack of access to safe drinking water, sanitation and hygiene remain appalling and unacceptable. Most important, the statistics on water scarcity, poor quality, inequity and lack of access to safe drinking water, sanitation and hygiene remain appalling and unacceptable. Business Eco Green answers digital electric front sdg statistics stockton-mayor water-scarcity- zev
Green Living Ideas
OCTOBER 7, 2013
Did you know that across the world people waste almost HALF of their food? This means that HALF the food grown by farmers, HALF the food shipped across the globe, HALF the food in the grocery store and HALF the food you purchase ends up wasted. Shocking, right?
AGreenLiving
JULY 31, 2020
KFC executives chose to lay the statistics bare so that they can make improvements and keep tracking the progress in the future. Green a-pretty-strong condition data health kfc spotlight statistics utensilsA recent report released by fast-food giant KFC shows that three out of 10 chickens sold by the restaurant suffer from footpad dermatitis. This is a condition typically caused by keeping chickens in a poorly ventilated environment or a lack of proper hygiene.
Sierra Club Compass
FEBRUARY 1, 2013
Clean energy and clean air lovers hooted and hollered yesterday when the American Wind Energy Association announced some outstanding 2012 wind power statistics - namely this one: Wind was the top new energy source to come online in 2012. Compass. « Cars and Refrigerators Can Work Together | Main. Saving Money with Solar and Energy Efficiency in Southern California » The Latest Great Clean Energy News.
Environmental Economics
AUGUST 25, 2015
Mickey Copeland Statistics Compiler. As a nation, we’re doing a terrible job of manipulating statistics.”. America's Finest News Source: According to a new report from the National Oceanic and Atmospheric Administration, July was the hottest month since recordkeeping began in 1880, averaging 1.46 degrees hotter than the July average and beating the previous record-setting month by.14 degrees. What do you think?
Environmental Economics
APRIL 15, 2015
Rainy days and Mondays always get me down: On Monday, researchers from Yale and Utah State University unveiled a new statistical technique that allows an in-depth accounting of Americans’ attitudes toward global warming. The resulting maps —down to the county level—reveal some interesting takeaways. via common-resources.org. Here is my favorite
Environmental Economics
AUGUST 19, 2020
It is well-known that confidence intervals can overlap and yet the t-statistic for the test will indicate that the difference in means is statistically different. The mistake that I made was not checking the t-statistic.
Environmental Economics
MARCH 22, 2012
oil production, the Associated Press finds no statistical correlation between how much is pumped out of the ground and how much is paid at the pump. production goes up, the price of gas "is certainly not going down," said New York University statistics professor Edward Melnick. "The " AP's statistical analysis examined monthly, inflation-adjusted prices and production from the Energy Department stretching back to January 1976, when they were first recorded.
Environmental Economics
SEPTEMBER 10, 2020
Given the statistical uncertainty of the WTP estimate, it is impossible to conduct any sort of hypothesis test with these data. the cost coefficient is not negative and statistically different from zero). DMT (2020) draw attention to my treatment of the weighted WTP estimates.
Environmental Economics
NOVEMBER 13, 2019
Monetizing Bowser: A Contingent Valuation of the Statistical Value of Dog Life. An important shadow price in the analysis of policies affecting human mortality is the value of statistical life (VSL), which is imputed from how people make decisions involving tradeoffs between small mortality risks and other goods. Why not? Deven Carlson, Simon Haeder, Hank Jenkins-Smith, Joseph Ripberger Abstract. Households in the USA spend about $70 billion annually on pets.
Environmental Economics
AUGUST 20, 2020
830) In Whitehead (2020) I used the Delta Method confidence intervals in my statistical tests. In each model the constant and the coefficient on the cost amount are statistically different from zero.
Environmental Economics
JULY 10, 2017
Yes to this : A sloppy attitude towards statistics has led to exaggerated and unjustified claims becoming commonplace in science, according to one of Britain’s most eminent statisticians. Speaking ahead of his president’s address to the Royal Statistical Society, Prof Sir David Spiegelhalter, said that questionable practices such as cherry-picking data and “hacking statistics” to make findings appear more dramatic threatens to undermine public trust in science. “We’re
Environmental Economics
OCTOBER 11, 2016
Only two of the five coefficients (B) on the bid variable are statistically significant at the p=.10 Any use of a two-tailed test to argue that statistical results are as statistically significant as they seem when a one-tailed test is more appropriate is overly harsh. The only statistically significant difference in the yes responses at different cost amounts is between $80 and $125.
Environmental Economics
JUNE 28, 2012
Publication bias exists if journal referees and editors tend to reject papers that exhibit statistically insignificant results than the same quality papers with statistically significant results, where statistically significant is defined as a 95% chance that your regression coefficient is not equal to zero. Here is a picture of spike in t-statistics a little greater than 1.96
Environmental Economics
NOVEMBER 12, 2014
"Retrospectives: The Cold-War Origins of the Value of Statistical Life." This paper traces the history of the "Value of Statistical Life" (VSL), which today is used routinely in benefit-cost analysis of life-saving investments. The "value of statistical life" terminology was introduced by Thomas Schelling (1968) in his essay, "The Life You Save May Be Your Own." Any revision of this paper will include a citation to: Banzhaf, H Spencer. 2014. "Retrospectives:
Environmental Economics
JULY 20, 2017
But a lot of people with classical statistics and econometrics training don’t realize this: they thing regression coefficients are unbiased estimates, but nobody ever told them that the biases can be huge when there is selection for statistical significance. And, remember, selection for statistical significance is not just about the “file drawer” and it’s not just about “p-hacking.” Andrew Gelman: Again, I’m not saying that Heckman and his colleagues are doing this.
Environmental Economics
OCTOBER 9, 2014
Hoover had a paper on molecular dynamics rejected by two journals the Journal of Statistical Physics. The Journal of Statistical Physics accepted it. Retraction Watch: When science writer Vito Tartamella noticed a physics paper co-authored by Stronzo Bestiale (which means “total a **e” in Italian) he did what anyone who’s written a book on surnames would do: He looked it up in the phonebook. What he found was a lot more complicated than a funny name.
Environmental Economics
MAY 9, 2017
" Review of Economics and Statistics, April 10, 2017 Then your publication chance is much lower: Abstract: This paper employs a unique dataset on articles, authors and editors of the top general interest journals in economics to investigate the role of social connections in the publication process. Ties between editors and authors are identified based on their academic histories.
Environmental Economics
DECEMBER 8, 2016
Andrew Gelman: Dear Major Academic Publisher, You just sent me, unsolicited, an introductory statistics textbook that is 800 pages and weighs about 5 pounds. And, the worst thing is, this isn’t even your only introductory statistics book! I like them as a continuous measure of statistical significance, I don't see anything special about the.01,05 and.10 is not statistically significant. It is statistically significant at the p = 0.08
Environmental Economics
FEBRUARY 9, 2017
Click here to find a draft letter asking members of Congress to support and fund Federal statistics. From "The Association of Public Data Users": With a new Congress and Administration, it is important to reiterate to policymakers the importance of federal data programs. In order to make as large an impact as possible, we encourage respected leaders in the business, policy, and academic communities to sign the letter and demonstrate their support.
Environmental Economics
OCTOBER 10, 2012
It’s an interesting story, delving into the O’s current success, Walters’ statistical contributions, and the history of his interest in the game. Skip Sauer at The Sports Economist: The Baltimore Sun reports on one of our own , economist Stephen Walters, who runs some numbers for his hometown Baltimore Orioles. via thesportseconomist.com. You may ask, why didn't you send this as a private email to Tim? Good question
Environmental Economics
NOVEMBER 19, 2014
The statistical model that predicts collapse is very simple with a flow variable (collapsed fisheries that varies from year to year) regressed on a stock variable (cumulative number of years in the time series data). My results aren't as impressive as those in the papers but it indicates a statistically significant relationship. From a reporter: What I'm interested in is: 1. Your reaction to the study.
100 
Let's personalize your content