In each case earnings quality was associated with a higher growth in the first quantity than in the second.

FORBES

The quantity of oil you can find in the first place, and then extract, is entirely a function of technology.

FORBES: Buckeye Oil Billions Will Unleash an Ohio Manufacturing Tech Boom

Skilling's other key mistake: the sale of a large quantity of Enron stock on Sept. 17, 2001, the first day of trading after the Sept. 11 terrorist attacks.

FORBES: Jeffrey Skilling's 'Big Enchilada'

First off, it assumes zero change in the quantity of goods.

FORBES: The Real Impact of Quantitative Easing (Next to Nothing!)

In the first quarter of 2011, renewable energy production in the United States surpassed nuclear production in overall quantity and percentage.

FORBES: Renewable Energy Production Surpasses Nuclear in U.S.