The idea behind clustering is that each part of a network is ___________ productive operating in isolation, so if governments can push each element of the cluster in unison, they should realize ___________ in productivity.

Inferior goods are those for which demand increases as

A) the price of a substitute falls. B) the price of a substitute rises. C) income decreases. D) income increases.

After being introduced in 1999, the euro

a. increased in value through 2008. b. decreased in value through 2008. c. increased in value through 2000 but then decreased in value through 2008. d. decreased in value through 2000 but then increased in value through 2008.