| With the development of industrialization and urbanization,the marginalization of agriculture has become more and more serious.There are a series of problems in rural land,including the loss of agricultural land area,the serious problem of agricultural land abandonment and the distortion of the allocation of means of production.The Central Committee and the State Council attached great importance to the farmland.For the ten consecutive year,the No.1 central document concerned the issue of the certification of rural land rights.Whether the confirmation of agricultural land rights will have an impact on agricultural land investment,in what aspects and through what mechanism,these problems have aroused the thinking of the economic circles.Therefore,this paper studies from these three problems.Firstly,it summarizes the current situation of land mortgage in China and abroad.Secondly,it systematically analyzes the current situation of land mortgage in China and abroad.,Based on the data of "China Health and elderly care follow-up survey" in 2015 and 2018,the panel fixed effect model was used for empirical analysis,and passed the robustness test and heterogeneity test.And the stepwise regression method,Sobel test and self sampling test are used to test the mechanism.The results are as follows:first,the confirmation of land rights has a significant role in promoting financial investment and overall investment,but it has no significant impact on human investment and material investment;Second,the impact of land ownership on agricultural land investment is mainly through the intermediary mechanism of land transfer,specifically the intermediary mechanism of land transfer rent.Land ownership plays a role in both financial investment and overall investment through the intermediary mechanism of land transfer.The other two intermediary variables,land transfer behavior and credit mortgage,have not played a significant role.Finally,according to the results of relevant theoretical and empirical analysis,from improving the national land contract information application platform to promote the application of right confirmation registration and certification results;Increase subsidies for agricultural machinery services and promote agricultural mechanization;Standardizing the agricultural land transfer market and invigorating the allocation of land resources;Expand the power of agricultural land and promote the alleviation of rural credit constraints,and put forward specific policy enlightenment to promote agricultural land investment from four aspects. |