Oilfield services firm Baker Hughes said on Tuesday it would buy Chart Industries in a $13.6 billion all-cash deal, including ...

Microeconomics is smaller in scale, looking at the behavior of consumers, the supply and demand equation in individual markets, and the hiring and wage-setting practices of individual companies.

The Baker Hughes acquisition represents the biggest oilfield services deal in years as the fragmented industry consolidates.

The law of diminishing marginal utility states that as the marginal utility derived from each additional unit that's used declines as consumption increases. Learn more.