There are roof shapes and ratios that maximize heat retainment and energy efficiency and, interestingly, ancient Italian architects and builders seemed to know it, too. While serving as a visiting ...

Irrespective of market conditions, companies with favorable efficiency levels are more likely to be investors’ choices. The reason is that a company with a favorable efficiency level is expected to ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...