Economies of scale mean that as you sell more of your product or service,

A. opportunity costs increase.

B. average costs decrease.

C.monopoly power

decreases.

D. youwillneedmoreworkers

In the market structure of

monopoly,

A. therearesomeclosesubstitutes.

B. therearenoentrybarriers.

C. elasticityofdemandislow.

D. thereareseveralsellers

Which market structure

hastheleastnumberofsellers?

A. oligopoly

B. perfectcompetition

C. monopolistic competition

D. monopoly

Which market structure has highbarrierstoentry,oneselleroftheproduct,andpricingpower?

A. monopolisticcompetition

B. oligopoly

C. perfectcompetition

D. monopoly