If long-run average total cost is rising, then the firm is experiencing economies of scale.
查看答案
Demand curve for a monopoly firm is the market demand curve.
Demand is inelastic if the price elasticity of demand is greater than 1.
An increase in the price of pizza will shift the demand curve for pizza to the left.
If apple and orange are substitutes, when price of apple increases, then the demand for orange decreases.