Popular Science articles about Mathematics & Economics

Research proves there is power in numbers to reduce electricity bills

Consumers can save money on their electricity bills and negotiate better deals by joining forces with similar groups of customers to switch energy suppliers, according to new research.

Money talks when it comes to acceptability of 'sin' companies, study reveals

Hai Lu is an Associate Professor of Accounting at the University of Toronto's Rotman School of Management. His research interests lie in the areas of accounting and finance, specifically the regulation of capital markets, insider trading, securities valuation, corporate governance and financial analysts. His analysis of insider trading and the effect of the conflicting advice offered by financial analysts has attracted significant media interest, including coverage in <i>The Wall Street Journal</i> and attention from the regulators in both U.S. and Canada. He has published widely in leading international journals such as <i>The Accounting Review</i>, <i>Contemporary Accounting Research</i>, <i>Journal of Accounting Research and Management Science</i>.Companies who make their money in the "sin" industries such as the tobacco, alcohol and gaming industries typically receive less attention from institutional investors and financial analysts.

Narcissistic CEOs and financial performance

Narcissism, considered by some as the "dark side of the executive personality," may actually be a good thing when it comes to certain financial measures, with companies led by narcissistic...

Game theory model reveals vulnerable moments for cancer cells' energy production

Cooperation between oxygen-poor cancer cells (red) and oxygen-rich ones (green) is illustrated.Cancer's no game, but researchers at Johns Hopkins are borrowing ideas from evolutionary game theory to learn how cells cooperate within a tumor to gather energy. Their experiments, they say,...

Major study documents nutritional and food safety benefits of organic farming

The largest study of its kind has found that organic foods and crops have a suite of advantages over their conventional counterparts, including more antioxidants and fewer, less frequent pesticide...

KAIST develops TransWall, a transparent touchable display wall

In the picture, users can select the color of their drawings. As different users' fingers meet or move closer together, the colored circles create a winding line that is filled with gradient colors. By moving fingers across the TransWall, users can draw something together or separately, creating colorful patterns.At a busy shopping mall, shoppers walk by store windows to find attractive items to purchase. Through the windows, shoppers can see the products displayed, but may have a hard...

IPCC must consider alternate policy views, researchers say

In addition to providing regular assessments of scientific literature, the Intergovernmental Panel on Climate Change Process (IPCC) also produces a "Summary for Policymakers" intended to highlight relevant policy issues through...

Flood fear has temporary effect on property prices: QUT study

The stigma of buying in a flood-prone suburb after the 2011 Brisbane floods was short-lived for middle and high-value homes with property prices rebounding within 12-months, a QUT study has...

19th century math tactic gets a makeover -- and yields answers up to 200 times faster

Johns Hopkins graduate student Xiang Yang, at right, teamed up with Rajat Mittal, a professor of mechanical engineering, to revamp a "useless" 169-year-old math strategy, making it work up to 200 times faster.A relic from long before the age of supercomputers, the 169-year-old math strategy called the Jacobi iterative method is widely dismissed today as too slow to be useful. But thanks...

'Land grabbing' could help feed at least 300 million people, study suggests

Crops grown on "land-grabbed" areas in developing countries could have the potential to feed an extra 100 million people worldwide, a new study has shown.

A simple solution for big data

These are images used to test the algorithm.Experts use the expression big data to indicate huge amounts of information, such as those (photos, videos, texts, but also other more technical types of data) shared at any time...

The blurred image on the left shows how a person with hyperopia, or farsightedness, would see a computer screen without corrective lenses. The image on the right shows how that same person would perceive the picture using a prototype display that compensates for visual impairments. Images were taken by a DSLR camera set to simulate hyperopic vision.

How sweet it is

A family of six nucleotide sugar transporters never before described have been characterized in <i>Arabidopsis</i>, a model plant for research in advanced biofuels.A powerful new tool that can help advance the genetic engineering of "fuel" crops for clean, green and renewable bioenergy, has been developed by researchers with the U.S. Department of...

Business groups, capital market participation have complementary effects for Indian companies

Being a part of a business group and participating in capital markets can have a significant positive impact on an Indian company's performance in the stock market, according to a...

Using competitors' brand name as a keyword can backfire, INFORMS study finds

Buying keywords of a popular competitors' brand names on search engines such as Google and Bing can backfire according to a new study in the Articles in Advance section of...

Researchers harness a powerful new source of up-to-date information on economic activity

Researchers at the University of Michigan, University of California Berkeley, and Arizona State University have developed a new data infrastructure for measuring economic activity.

Better visualizing of fitness-app data helps discover trends, reach goals

Visualizing the routes a person walks can help determine why the person has fewer steps on a given day of the week.Smartphone apps can track where we eat our meals, when we commute to and from work and how many minutes we exercise each day. Ten thousand steps today? Check.

Georgia Tech researchers develop 'Encore' to monitor Web access

Georgia Tech researchers have created a tool to monitor the accessibility of Web pages around the world that can be installed by adding a single line of code to a...

License plate readers are important police tool, but hurdles remain, study finds

Systems that automatically read automobile license plates have the potential to save police investigative time and increase safety, but law enforcement officials must address issues related to staffing, compatibility and...

New insights on the factors that intensified the 2008 financial crisis

Widespread finger-pointing in the fallout from the 2008-2009 financial crisis is only exacerbated by the continuing legal battles between the big banks and SEC. Fair value accounting (FVA) is often...

Ask the crowd: Robots learn faster, better with online helpers

The University of Washington's robot builds a turtle model.Sometimes it takes a village to teach a robot. University of Washington computer scientists have shown that crowdsourcing can be a quick and effective way to teach a robot how...

Food ingredient fears

This issue is free for non commercial use. To download visit: <a target="_blank" href="http://foodpsychology.cornell.edu/op/food-fear">http://foodpsychology.cornell.edu/op/food-fear</a>Daily headlines on Internet pages and blogs claim: "New ingredient X is harmful to your health." Such warnings can scare people into avoiding these ingredients without actually knowing the facts,...

More news about Mathematics & Economics

Breaking science news from the newsfeed about Mathematics & Economics