Chinese solar industry faces weak sales, price war

Chinese solar panel makers that grew fast over the past decade are suffering big losses due to slumping global sales and a price war that threaten an industry seen by communist leaders as a role model for hopes to transform ...

Spurious switching points in traded stock dynamics

Physicists have rebuffed the existence of power laws governing the dynamics of traded stock volatility, volume and intertrade times at times of stock price extrema. They did this by demonstrating that what appeared as "switching ...

Engineers enlist weather model to optimize offshore wind plan

Politics aside, most energy experts agree that cheap, clean, renewable wind energy holds great potential to help the world satisfy energy needs while reducing harmful greenhouse gases. Wind farms placed offshore could play ...

Groupon fails to turn profit as revenue grows

Daily deals site Groupon on Wednesday issued its first earnings report as a publicly traded company, saying it failed to turn a profit despite revenue nearly tripling from a year earlier.

Stock market network reveals investor clustering

(PhysOrg.com) -- The stock price of a company continuously changes, going up or down depending on the collective activity of a large number of investors. Although this process seems fairly straightforward, no one fully understands ...

Rising temperatures threaten a food crisis

A recent study reports that the geographical range of some agricultural crops -- such as corn and beans -- may be greatly reduced if temperatures continue to rise. While some farmers may be able to readjust what they grow, ...

Economist studies how higher gas price affect consumer behavior

A dollar is a dollar is a dollar, so goes the economic theory of fungibility. But do people really act that way? In a new working paper, Brown University economist Justine Hastings and Jesse Shapiro of Chicago Booth School ...

Global experts: Warming could double food prices

(AP) -- Even if we stopped spewing global warming gases today, the world would face a steady rise in food prices this century. But on our current emissions path, climate change becomes the "threat multiplier" that could ...

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