摘要
初级产品生产行业有两大特点：一是其初级投资有较大的不可逆转性，二是其产品价格具有较大的随机性（不确定性）。这两点的同时存在，给进入和退出初级产品行业造成壁垒。
There are two caracters in primary industry:One is the investment has high degree of irreversibility, the second is the uncertainty of product price is significant. The co-exist of uncertainty and irreversibility produce barriers of entry and exit primary industry.
出处
《数理统计与管理》
CSSCI
北大核心
1995年第2期31-37,共7页
Journal of Applied Statistics and Management
