从事现代竞争理论研究的著名美国哈佛商学院资深教授波特认为,在行业中有五种力量发挥作用,这些力量共同决定了这个行业的潜在盈利性。这五种力量是:现有企业之间的竞争、行业进入者的威胁、购买者的议价力量、供应商的议价力量、替代品或替代服务的威胁。通过评 Porter, a well-known professor at Harvard Business School engaged in modern competition theory, believes there are five forces in the industry that work together and that together determine the potential profitability of the industry. These five forces are: competition among existing firms, threats to entrants into the industry, bargaining power of buyers, bargaining power of suppliers, threat of alternatives or alternative services. Passed evaluation