【单选题】If two goods are perfect complements,
A.
indifference curves have a positive slope.
B.
consumers will only buy the cheaper of the two goods.
C.
there is a bliss point and the indifference curves surround this point.
【判断题】通用别克君威车的电动座椅和电动后视镜所用的电动机是一样的。
【单选题】If two goods are perfect complements,
A.
consumers will only buy the cheaper of the two goods.
B.
there is a bliss point and the indifference curves surround this point.
C.
indifference curves have a positive slope.
【单选题】If the indifference curves between two goods are L-shaped, the goods are