The term 'marginal' in economics means
A). Unimportant
B). Additional
C). The minimum unit
D). Just barely passing
Interest is paid because
A). Capital is scarce
B). Capital is productive
C). Capital is attractive
D). Capital is surplus
The Critique of Political Economy, the first fruits of Karl Marx's long painstaking research at the British Museum, appeared in
A). 1859
B). 1857
C). 1855
D). 1853
All the following curves are U-shaped except
A). AVC
B). AFC
C). AC
D). MC
When marginal is negative, it must be true that
A). The average is negative
B). The average is decreasing
C). The total is negative
D). The total is decreasing