For an inferior good ?

For an inferior good ?

A. The price elasticity of demand is negative: the income elasticity of demand is negative
B. The price elasticity of demand is positive the income elasticity of demand is negative
C. The price elasticity of demand is negative the income elasticity of demand is positive
D. The price elasticity of demand is positive the income elasticity of demand is positive

If marginal utility is zero ?

If marginal utility is zero ?

A. Total utility is zero
B. An additional unit of consumption will decrease total utility
C. An additional unit of consumption will increase total utility
D. Total utility is maximized

Which best describes a demand curve ?

Which best describes a demand curve ?

A. the quantity consumers would like to buy in an ideal world
B. The quantity consumers are willing to sell
C. The quantity consumers are willing and able to buy at each and every income all other things unchanged
D. The quantity consumers are willing and able to buy each and every price all other things changed