##听书?：第三阶段的观点，很有意思！网络信息技术的发展，降低了人口流动的成本，NO坐班NO通勤，利用互联网技术就可以跨区跨国提供生产服务，生产资料从区域化转为全球化。一点引申的思考：1）来自发达国家的企业会在发展中国家设立分支并培训有关人员，这能提升发展中国家人员的技能、收入和生活水平，进一步提升该国的经济实力，但对发达国家的人员来说，可能就没那么乐观；2）远程提供服务成为可能，经过培训就能上岗的性价比较高的服务会被企业买单；3）做好高精尖，才能吃到头部红利；4）生产资料全球化的背景下，如何更好实现企业找人找资源找资金，以及人找企业的对接。

##Human activities is constrained by three types of costs: transportation costs ,human mobility costs, idea exchange costs. before 1820, people are tied to the same location for production and consumption because of all three costs were extremely high. after ...  

##观点很简洁：三种约束的打破对应三次经济全球化，不过后半部分行文还是有些不够流畅

##Human activities is constrained by three types of costs: transportation costs ,human mobility costs, idea exchange costs. before 1820, people are tied to the same location for production and consumption because of all three costs were extremely high. after ...