“400mm等雨量线”、长城与农耕游牧民族的分界线

Isohyet 400mm,the Great Wall and the Dividing Line Between Farming Tribesand Nomadic Peoples

本文应用经济学分析工具说明在博弈双方既存在武力抢夺也存在交易的情况下,"谁对土地评价高,谁就能得到土地"。以此为基础分析"400mm等雨量线"、长城与农耕游牧民族的分界线之间的关系。并说明长城的价值并不在于影响土地在游牧区和农耕区之间的分配,而在于节约军事投入和减少需向游牧民族转移财富数量。

The paper points out first that,given the coexistence of armed robbery and business transactions,those who would like to pay more will get the land.And then the paper analyzes the reasons for which isohyet 400mm became the dividing line of China s farming tribes and nomadic peoples,and it also explains the purposes of the Great Wall built by China s farming tribes which are to save the expenditure of defense and reduce wealth transferred from the farming tribes to the nomadic peoples.