“Relative mobility” measures how a child’s ranking in the income distribution compares to her parents'. “Absolute mobility” measures something entirely different. The economics blogosphere as well as ...

The absolute internal quantum efficiency (IQE) of indium gallium nitride (InGaN) based blue light-emitting diodes (LEDs) at low temperatures is often assumed to be 100%. However, a new study from ...

Last week I completed my first self-supported, multi-stage, ultra-marathon “race” in Lapland, above the Arctic Circle. After more than 50 previous ultras, none of which have lasted more than a couple ...

As the comedian Louis CK quipped some time ago, "Everything is amazing right now and nobody is happy." In that instance he was referring to the massive technological improvements that have arisen in ...

Discover how relative purchasing power parity (RPPP) connects inflation differences to exchange rates, influencing trade ...

Market share is the amount of the market that is controlled by a single company. It is a strong indication of how a company is doing within a given market or industry. For many companies, increasing ...

The absolute and relative P/E ratios are metrics to determine if a company is over or undervalued. The simple answer to this question is that absolute P/E is the price of a stock divided by the ...

To place this in a simple example, if you want to get picked for the basketball team, you're looking to be taller than other people; increasing everyone's height by 3 inches doesn't uniquely benefit ...