The country that did NOT opt out of the currency union is:

The IT industry in Techland has a Herfindahl-Hirschman Index of 1,320. This implies that the IT industry in Techland is ________

A) not concentrated B) moderately concentrated C) highly concentrated D) dominated by a few large buyers

In economics, the difference between a firm's revenues and its costs is referred to as

A) factor payments. B) profit. C) physical capital. D) capital gains.