【单选题】Internal scale economies occur when:
A.
expansion of output by a firm leads to greater specialization of labor.
B.
expansion in an industry drives down the input prices.
C.
industry growth leads to a greater diffusion of knowledge among firms.
D.
a firm pays higher input prices to expand production.
【单选题】2015-30、口服避孕药的禁忌症不包括
【单选题】Internal scale economies occur when:
A.
Firm growth leads to more specialization by workers.
B.
Industry growth gives rise to better input markets.
C.
Industry growth leads to a greater diffusion of knowledge among firms.
D.
Firm growth drives up prices of some of the firm’s inputs.
【单选题】B类网络的缺省子网掩码为( ). (3分)
【单选题】When is the internal temperature of a large desert mammal lowest?
B.
In the middle of the day.
【单选题】Proxmity公司开发的数字管理平台的名称是:________