Preface

1.1 The Value, Key Points, Difficulties and Innovations of this Research

Under the background of vigorously promoting of supply-side structural reform, in order to narrow the gap between urban and rural economic and social development, solve the contradiction of the imbalanced urban-rural development and the imbalance development between the primary and the secondary & tertiary industries, China has gradually promoted the reform of rural collective construction land entering the market and achieved corresponding pilot performance.At the same time, some risks in the reform of rural collective construction land entering the market are also appearing to varying degrees in practice. Therefore, it is necessary to study the performance of the risks and the factors in depth, so as to effectively prevent and cope with the risks and maximize the expected positive effects of maket entry reform policies.

The research team collected a lot of data and summarized the related results at home and abroad, including the relevant theory of Marxist classical scholars, the relevant experience of western economics and the related research of Chinese scholars, which provided theoretical basis and reference for the research of this topic.The study adopts methods of combining theoretical research with empirical research, qualitative research with quantitative research, universal research with individual research and systematic research with factor research, and strives to draw scientific conclusions through systematic and comprehensive research and empirical analysis.

1.1.1 The Theoretical Significance and Application Value of this Research

1. It is with realistic urgency.According to the five major development concepts of innovation, coordination, green, openness and sharing proposed by the Fifth Plenary Session of the Eighteenth Central Committee of the Communist Party of China, the structural reform on the supply side musf be the guide to the new normal.Among the three elements of labor, capital and land in the structural reform on the supply side, land is the key element, therefore the reform of rural collective construction land entering the market needs to be promoted urgently.At present, the invisible market in which the collective construction land circulating in the form of granting, transferring, renting and mortgaging is prevalent. The collective construction land circulation in the Pearl River Delta has exceeded 50%; The area of small-property houses（House with limited property rights）in China is up to 6.6 billion square meters;45% of rural laborers work in cities, resulting in 170 million mu vacant homesteads; and the demand for land continues to increase in the new urbanization.Because the reform of rural collective construction land entering the market involves benefits adjustment and with high risk coefficient, avoiding and reducing risk to the greatest extent has become the key to success, therefore it is urgent to conduct an in-depth research.

2. There are serious deficiencies inexisting relevant studies.The research from the perspective of supply-side structure is inadequate, especially that the research on the risks and risk-prevention of rural construction land entering the market from the supply-side on the premise of public ownership of rural land is very few.Although the existing research has summarized the practice of rural land property rights trading, rural land comprehensive renovation, urban and rural land increase-decrease linkage pilot, and paid some attention to the invisible market of rural construction land, homesteads and small property rights houses, the comprehensive reform of land with collective public ownership entering the market directly is relatively lacking, and the research on risk-prevention of market entry reform is rare.The research is very important and urgent under the new normal condition.

3. The opportunity of“three plots of land”reform pilot is helpful to deepen research and make the results operable.This study takes the reform pilots which have been launched as an opportunity, and on the basis of summing up the previous relevant practice, traces the reform pilots of“three plots of land”（land expropriation, rural collective operational construction land, homesteads）, strengthens the realistic support, deepens the applied research, and the results are with more realistic pertinency.

1.1.2 Current Situation and Trend of Research at Home and Abroad

Foreign Research in the Field：

On basic theory:land rent theory of classical and neoclassical economics→Marx's land rent theory→ Marx's ownership theory→ Marx's theory of two major categories →Western property rights theory →land location theory →theory of separating land ownership and development right → land expropriation system and theory and practice of compensation→allocation and practice of value-added benefits of changing rural land use.

On application practice:（1）The relationship between the“Northham curve”of urbanization development law and land demand put forward by Ray M.Northam, an American scholar.（2）Research and Practice on the separation of land ownership and development rights.Such as the“Euclidean Scored Area”of the United States, the study and practice of the separation of land ownership and development rights in Western Europe（Britain, Germany）, Japan, South Korea and Taiwan, China.（3）Compensation standards for land expropriation.For example, in Europe and the United States, the market price of the land with the original use before land expropriation is the benchmark.In France and Germany, the market price of the land with original use a certain time period before land expropriation is used as the basis, or the price declared by the land owner is regarded as reference.（4）Practical operation modes of social sharing of value-added benefits of rural land use change.

Domestic Research in the Field：

Theoretical Development:Development and practice of marxist land ownership theory in China→ Theory and practice of rural land property rights reform since the Reform and Opening up→ Land expropriation system and practice→ Theories and practice of value - added benefits allocation of agricultural land use change→ Research on the visible and invisible market of rural construction land→ Study on the circulating of homesteads and Small Property Right House → Research on agricultural land conversion →Exploration on the“empowerment”reform of rural construction land→Exploration on the land policy reform in the process of structural reform of supply-side.The main research results and viewpoints are as follows：

1. There are four representative views on the reform of rural construction land entering the market and land expropriation.First, the“three identical”of urban and rural construction land is advocated（Zhang2007, Cai 2010, Liu2013）.In particular, they enjoy the same rights of receiving and disposing land value-added benefits.Farmers should be given full compensation with the same price as urban state - owned land when their related land be expropriated.Second, different places within the same scope of planning permission enjoying the same rights is put forwarded.（Chen 2008, Mao2012, Dang2013）.Except for a few land strictly used for public welfare, all the other land under urban construction planning should be developed independently by farmers and all the value-added benefits of agricultural land conversion should be entirely attributed to farmers.Third, land expropriation cannot be completely market-oriented（Chen2013, Ye2013）. Compensation for land expropriation can be close to the bottom line of market price.On the premise of guaranteeing the rights and interests of original land owners, the government should also make reasonable adjustment by means of taxation. Fourth, compensation should be made according to the market price of the land with original use before land expropriation（Hua 2013）.The value-added benefits belong to the society and should be mainly used for migrant workers, who are the principal part of urbanization.

2. There are three representative views on the reform of rights and functions of property rights of rural construction land:some advocate complete rights and functions of land property rights.Some advocate limited rights and functions.Rights of land beneficiaries can only be realized under the control of land use planning（Chen 2013, Jiang 2015）.The third opinion advocates the separation of land ownership and development rights.Land development and utilization has great geographical monopoly and environmental externality, therefore the development right must be restricted（Hua 2013）

3. There are five main viewpoints on the risk of rural construction land entering into the market:one is the multiple risk theory.There are fiscal risk, debt risk, financial risk, functional risk, social risk, and political risk（Xiang, Chu 2014）.The second is the four major risks theory.They are the risk of red line of cultivated land and national food security, the risk of forming a new“urban dualistic structure”, the risk of farmers being deprived of their interests, and the risk of the protection of farmers' main interests and sustainable development（Li 2009）.Third, the four major risks theory of property rights reform.Risks of deviating from the interests of the main body of property rights, risk of polarization and the antagonism between rural social strata, risk of decomposing the cost of property rights reform, and risk of absence of collective assets supervision（Chen, Zhong 2008）.Fourth, the theory of aggravating risk.There are increasing risk of farmers losing their land, increasing risk in social stability, increasing risk in urbanization development, doubling risk in food safety, and the risk of rebuilding the new order（Xia, Yan 2014）.Fifth, four-dimensional risk theory.The risk of mass refugees, the risk of breaking the red line of cultivated land, the risk of urbanization suspending, and the risk of speculators taking adventures in paradise（Zhang 2013）

4. There are three representative views on the circulation of homesteads and the management of small - property houses:one advocates the free circulation of homesteads and legitimating small-property houses by making up the payment of relevant taxes and fees; the second view advocates forbidding the circulation of homesteads and demolishing or confiscating small- property houses; the third view advocates the limited circulation of homesteads and checking up and accepting a fait accompli of small-property houses.

5. There is not enough in-depth study on the countermeasures of reform risk of rural construction land entering into market.Existing study mainly analyze from six aspects.One is to“empowerment”and improve the property rights registration system（Wang 2003, Yin, Li, Zhou 2005, Xiang, Chu 2014）.The second is to improve laws and regulations, strengthen planning control and use control（Wang 2004, Wang, Jiang 2009）.The third is to define the scope of circulation and standardize the form and procedure of circulation（Shi 2006, Xia, Yan 2014）.The fourth is to establish a risk assessment system for social stability and improve the mediation mechanism for contradictions and disputes（Chen, Zhong 2008, Jiang 2015）.The fifth is to establish a mechanism to allocate land value-added benefits, that takes all the three aspects（the state, collective and individual）into account（Li 2006, Chu 2009, Xia, Yan 2014）.The sixth is to construct the cost decomposition mechanism in rural institutional change and establish an effective rural collective assets supervision mechanism（Chen, Zhong 2008）.

1.1.3 Key Points, Difficulties and Innovations of Research Breakthroughs

There are five main aspects：

1. Deal with the relationship between stock and incremental rural collective construction land entering the market from the perspective of supply side; for stock land, we should distinguish the land rights and interests relationship between illegal“invisible”market and legitimate visible market. Reform must adhere to the“four base lines”: stick to public ownership, don't break through the red line of cultivated land, don't damage interests of farmers, and don't relax control of land use.

2. Study the“Three Unities and One Core”to guard against reform risks. “Three Unities”refers to the unification of property rights of urban and rural construction land, the unification of urban and rural construction land market, the unification of urban and rural construction land planning and use control; “One Core”refers to that the core of three unities is the unification of right and function.All ownership goes to public in order to enhance the ability of macro-control and minimize economic, social, ecological and political risks. 3.To study and implement“Two Separations”to effectively reduce the various risks of the reform of rural collective construction land entering the market.Implementing the separation of ownership and development rights, keeping the ownership of non-agricultural land development to the state, and the value-added benefits being mainly shared by the society, so as to solve the dilemma of moving urban-rural dualistic structure from rural space to urban space; the separation of administrative power and land power can fundamentally reverse the dependence on land finance.Administrative power is manifested in land planning and use control.Land power is the limited power of the subject of property rights under government control.

4. International experience should be combined with China's special national conditions as well as with the internal and external backgrounds of the times.Simple application will inevitably lead to mistakes and huge risks, so we must explore risk coping strategies based on the reality of our country.

5. Only the three-step gradual reform can ensure risks being controlled. That is to say, reform should experience the pilot period, the transition period and the development period, and we should construct a feedback adjustment mechanism and push forward the reform prudently.

1.2 The Framework and Main Contents of this Research

This research belongs to the interdisciplinary research of economics, management and law.On the basis of collecting a large amount of data, the research systematically sorts out and summarizes results of classical Marxist scholars, western scholars and Chinese scholars.The research extensively collects the experimental and practical data, cases and data of the reform of rural collective construction land entering the market, and fully demonstrates and evaluates the risks, causes and negative consequences of the rural collective construction entering into the market through empirical methods. And then the precautionary principles, guidance and countermeasures against these risks are put forward.The study is divided into four parts, the main contents are as follows：

Part Ⅰ The basis for rural collective construction land entering into the market from the perspective of supply-side reform.This part demonstrates the reasons of the reform of rural collective construction land entering the market in the perspective of supply - side reform from three aspects：theoretical basis, policy basis and practical basis.As for the theoretical basis, this study is based on Marxist theory, coordinate basic theory of Marx and Engels with development of those theory in the process of Russian socialist construction being made by Lenin and Stalin, and then fully discusses the development of relevant theory of Sinicization of Marxism and the further innovation after the reform and opening-up.This study also uses experience of the western property right theory, and demonstrates the theoretical basis of the reform of rural collective construction land entering the market in a more comprehensive way.As for policy basis, the study demonstrates the policy evolution and adjustment process from central to local, from limited circulation to direct market entry, and from pilot projects of collective operating construction land to prudent exploration of homesteads market entry reform, including the policy and effect of the reform of urban land entering the market, the reform policy and exploration effect of rural collective construction land circulating, and the reform policy of rural collective construction land entering the market directly and the pilot effect, and coordinates the policy basis and policy development path of the reform comprehensively according to the reform sequence.The realistic basis is studied from four aspects:first, analyzes that entering into the market is the realistic needs of the urbanization from 3 aspects, namely realistic need of solving the“Semi-citizenship”of migrant workers, realistic need of unified planning and intensive utilization of urban and rural land, realistic need of the overall planning of urban and rural areas and the integration of urban and rural development.Second, analyzes that the reform of entering the market is the realistic need of optimizing the allocation structure of land income from the two aspects of solving the contradiction of land expropriation and of optimizing the allocation structure of land value-added benefits.Third, analyses that the reform of entering the market is the realistic need to promote agricultural modernization from two aspects of the need to improve agricultural labor productivity and of the need to enhance the ability of agricultural factor aggregation.Finally, from the perspective of rural revitalization we analyze that entering the market is the realistic need of narrowing the gap between urban and rural development and promoting rural modernization. Combining of theory and practice, this study systematically demonstrates the theoretical basis, policy basis and realistic basis of the reform of rural collective construction land entering the market, so to prove the objectivity and scientificity of the reform.

Part Ⅱ The risk and its evaluation of the reform of rural collective construction land entering the market in China.This part uses a large number of cases and data of the practice of rural collective construction land entering the market to carry out empirical research.There are as many as 21 figures and tables, and the empirical supporting data are sufficient.While fully affirming the remarkable achievements of the reform of rural collective construction land entering the market, this part makes a detailed and in-depth analysis of the five risks and their causes andnegative consequences that may be brought about by the entering into the market, such as restraining agricultural development, weakening the authority of public property rights, intensifying the polarization between the rich and the poor of rural residents, increasing rural environmental pollution, and intensifying rural finance risk.First, the research on the risk of restraining agricultural development includes three aspects:the risk of increasing agricultural production cost, the risk of weakening supporting of agricultural development land, and risk of restraining the input factors for agricultural modernization.As to the the risk of increasing agricultural production cost, this study analyzes the situation of rural collective construction land circulating exploration and pilot areas, and deeply analyzes the reform risks in varying degrees by data and cases, such as the decline of cultivated land quality, breaking the rational structure of agricultural land, increasing agricultural labor cost, increasing transportation cost and cold storage cost of agricultural products.These risks undoubtedly increase the cost of agriculture and weaken the profitability of agriculture.As to the the risk of weakening supporting of agricultural development land, this part mainly clarifies that rural collective construction land is an important part of agricultural land through the content of historical laws and regulations and practical operation.From the practical view, the rural collective construction land entering the market pushes up the cost of land use and causes the general de-agriculturalization of land use, which result in the occupation of land resources needed for the extension of agricultural chain, and the cost of construction land needed for the extension of agricultural chain also rise sharply, thus squeeze the space for agricultural development.As for the risk of restricting the input factors of agricultural modernization development, this study mainly focuses on the risk research of the constrained input of talents, capital and technology, which have great impact on the development of agricultural modernization. It shows that the tendency of “non -agriculturalization”of talents, capital and technology may become more and more prominent in practice, which will inevitably hinder the improvement of agricultural science and technology level and affect the effective advancement of agricultural modernization process.Second, the risk of public property rights weakening and loss of public assets mainly includes:the risk manifestations, main incentives and main negative consequences of the weakening actual control of rural collective public property rights; spreading risks of power rent-seeking in the reform of entering into the market; the risk causes and main forms of rural collective assets loss in the reform of entering the market. Third, risk of aggravating the polarization between the rich and the poor are as follows:Firstly, according to the operation of reform practice, we construct the diagram of function mechanism that indicates collective construction land entering the market aggravating the risk of polarization between the rich and the poor; secondly, we analyze the widening gap among different rural incomes caused by the differences of land location, differences of land use and with or without add-value benefit of land from two levels, the level in pilot areas, and the level in pilot and non - pilot areas.Finally, from the regional differences of multiplier effect of rural collective construction land entering the market, we study the risk operation mechanism of the intensification of rural polarization between the rich and the poor. Fourth, the research on environmental and ecological risk mainly includes two aspects:firstly, we analyze the shift risk of environmental pollution and ecological damage from urban to countryside based on large amount of data. After collective construction land entering the market, many enterprises move to rural area and will cause air, soil, source of water and solid waste pollution; secondly, pointing at the actual operation of adjusting the market entry, we analyze the risk of soil ecological and the risk of ecological chain damage caused by land replacement.Fifth, the research on financial risk focuses on the credit risk, market risk, crisis concurrent risk and local financial risk of rural collective construction land property mortgage loan.We also study the possible flow of mortgage funds to non - agricultural areas, thereby causing the risk of weakening financial support for agriculture, rural areas and farmers.The in-depth study of the five types of risks lay a solid foundation for putting forward risk prevention countermeasures.

Part Ⅲ Line of thinking and contents of reform to avoid the risk of collective construction land entering the market.This part covers four aspects:the base line and basic principles of the reform, the core and orientation of the reform, the steps of the reform and the content of the reform.The first part is about the base line and basic principles of the reform, including three aspects:firstly, it demonstrates that the reform of entering the market must strictly adhere to the four base lines of“stick to public ownership, don't break through the red line of cultivated land, don't damage interests of farmers, and don't relax control of land use”and the context and relationship of the four base lines are discussed.Secondly, it clarifies the four basic principles that the reform should follow.One principle is the“Three Unities and One Core”. “Three Unities”refers to the unification of property rights of urban and rural construction land, the unification of urban and rural construction land market, the unification of urban and rural construction land planning and use control. “One Core”refers to that the core of three unities is the unification of right and function, all ownership go to public in order to enhance the ability of macro-control and minimize economic, social, ecological and political risks.The second principle is to implement the“Two Separations”principle, which refers to the separation of ownership and development rights, and the separation of administrative right and land right.The third principle is to adhere to combining international experience with China's national conditions.The fourth principle is to adhere to gradual reform from easy to difficult and taking the experience gained at one unit and popularizing it in a whole area.Third, the vision of the reform is to share the reform dividend with the same right and price, reduce the dualistic economic structure of urban and rural areas, cultivate and strengthen the rural collective economy, strengthen the basic position of agriculture and ensure national food security.The second part is the core and orientation of the reform.This part includes three aspects:First, it fully demonstrates that the core of the reform is empowerment.This study deeply explains the connotation and cognitive deviation of the empowerment, constructs the empowerment system in the reform of collective operating construction land entering the market and the empowerment system in the reform of the exit mechanism of homesteads, and further studies the allocation of the rural land development right in the reform of collective operating construction land entering the market.Second, the basic orientation of the reform of collective construction land entering the market is to build a unified system of land rights system for urban and rural construction land, a unified market for urban and rural construction land, and a unified land planning and land use control system of urban and rural construction.Third, it clarifies some misunderstandings in the reform of market entry.The third part is about the reform steps of entering into the market.In order to effectively avoid the risk of the reform of rural collective construction land entering the market, we should plan the reform step by step scientifically.This part studies from three aspects.First, we should promote reform step by step in an orderly manner. We design the reform in different stages respectively with an overall view and analyze the main reasons for promoting the reform step by step.Second, detailed planning has been made for the three stages of the reform, namely, the pilot period, the transition period and the development period.Third, the specific objectives of the three stages of reform are studied respectively in order to provide timely feedback and adjustment to the problems happening in practice.The fourth part is about the main contents of risk aversion.Arming at the risks in practice, this part designs the main contents that the reform should pay attention to from four aspects:First, the main contents of the reform of“three plots of land”are analyzed separately, and it is clearly put forward that we should not only realize the linkage reform of“three plots of land”but also deal with the relationship between“three plots of land”and“one plot of land”- the agricultural land.Second, the key and difficult points of the reform of rural collective operating construction land entering the market directly are deeply studied.According to the summary of the pilot projects of rural collective operating construction land, it is considered that the key and difficult points of the reform include the definition of stock size and scope, the establishment of legal subject and organizational form, the empowerment of entering the market, the feasible way to enter the market, and the allocation of benefits from entering the market.The status of these problems in practice and how to solve them in reform are designed. Third, according to the characteristics of the gradual market entry reform of homesteads and the problems in its practical operation, this part analyses the key and difficulties of the reform of homesteads market entry.Fourth, some supporting policies are put forward to avoid the risks of reform in order to ensure the smooth progress of reform.

Part Ⅳ Thinking on Countermeasures to prevent the risk of collective construction land entering the market.Aiming at the risk of rural collective construction land entering the market analyzed in the second part, and on the basis of adhering to the reform principle, orientation and main reform contents put forward in the third part, this part presents some countermeasures to prevent risks, including establishing and formulating risk prevention mechanism, drawing lessons from international experience, strengthening the authority of public property rights, unified planning of urban and rural construction land, complementing of government and market, social sharing of value- added benefits, and handling of small property houses.First, to establish and improve the risk prevention mechanism of rural collective construction land entering the market.It mainly covers service supervision mechanism, property rights and functions protection mechanism, ecological and financial risk prevention mechanism, and benefits allocation coordination mechanism.Second, to learn from international experience.In view of the institutional environment in which the basic economic system of our country is public ownership and the basic national conditions in which the ownership of rural collective construction land belongs to the rural collective, this part summarizes the international experience that can be used for reference from four aspects, including:land property rights is a kind of limited development right, implementing scientific and strict land planning control, ensuring the social sharing of land value-added benefits, and dealing with the relationship among various types of land in rural areas.Third, to strengthen the authority of public property rights.This part puts forward four countermeasures:standardizing the qualification of the main body of collective construction land entering into the market and the qualification of exercising ownership, establishing and improving open and transparent market entry rules, improving the operation of collective assets management institutions and the internal and external governance structure, and improving the policy guidance to guarantee the authority of collective property rights.Fourth, to draw up unified plan on urban and rural construction land.In view of the risk of rural collective construction land entering the market, this part puts forward corresponding measures to prevent the risk from three aspects:unified planning of urban and rural construction land market, unified planning of intensive development of urban and rural construction land, and planning of financial revenue and expenditure of urban and rural construction land as a whole.Fifth, to realize complementary between government and market.In order to avoid government failure and market failure, realize complementary between government and market, and achieve the anticipated policy objectives of rural collective construction land market entry reform, this part puts forward countermeasures and suggestions from three aspects:scientifically positioning government functions, giving full play to the role of government and standardizing market entry transactions, and fully utilizing market mechanism vitality.Sixth, to realize the social sharing of the value-added benefit of collective construction land entering the market.Based on relevant international experience and China's national conditions, this part puts forward four ways to realize social sharing of the value-added benefits of rural collective construction entering into market and to prevent the risk of growing gap between rich and poor through optimizing and adjusting the allocation pattern of value - added benefits of collective construction land entering the market, formulating measures reflecting the sharing orientation of the use of value-added benefits, guiding rural collective economic organizations to cooperate across regional economies, and giving full play to the role of the government in regulating the allocation of benefits from entering the market.Seventh, to give policy suggestions to solve the problem of small-property houses.The gradual progress of the homesteads market entry reform inevitably involves the handling of small - property houses. This part puts forward some countermeasures to solve the problems of small-property houses left over by the history, mainly including the formulation and implementation of the principle of classified solution, innovative exploration of the multi -dimensional progressive transition form, and the implementation of multi-subject of property rights, so as to achieve the purposes of strict law enforcement, easing contradictions and promoting economic and social development in urban and rural areas.

1.3 Achievements of this Research

This project is funded by the Humanities and Social Sciences Research Planning Fund of the Ministry of Education and was approved in 2016（Project Approval No.16YJA790020）.On the basis of collecting a large amount of data, drawing lessons from and commenting on the existing research results and conducting field research, guided by Marxist theory and the relevant theory of western economics, this research makes a thorough and concrete study on the main risks in the reform of rural collective construction land entering the market in China.Pointing at these risks and the corresponding causes, preventive measures to avoid the risks are investigated. The achievements of this research include periodic academic papers and final monographs.

Nice academic papers have already been published.Among them seven papers are published in CSSCI journals and one is published in Chinese core journals and one in English ABS journals.The papers are as follows：

1. Li Jie, Xue Shuting.A Review of the Risks and Related Prevention of the Reform of Rural Collective Construction Land into the Market, Theoretical Horizon（CSSCI）,2017（1）.

2. Li Jie, Song Xinjie.An Analysis on the Factors Affecting the Promotion of Agricultural Labor Productivity by the Entry of Collective Construction Land into the Market, Modernization of Management（CSSCI）2018（1）.

3. Li Jie, Ai shasha.Spatial Transfer of Pollution-intensive Industry in China and Its Influencing Faetor, Technology Economics（CSSCI）,2018（1）.

4. Li Jie, Jiang Yu. Calculation and Empirical Analysis on the Contributions of R&D Spending and Patents to China's Economic Growth, Theoretical Economics Letters（ABS Level 1）, November 28,2016,2016（1）.

5. Li Quan, Li Jie.On the New Normal Relationship between the Power Containment and Restoring the Government Credibility.Journal of Southwest Jiaotong University（Social Sciences Edition）（CSSCI）,2017（2）.

6. Duan Longlong.On the Causes and Solutions of the Crisis of Farmlands Quality in China.Modern Economic Research（CSSCI）,2016（10）.

7. Duan Longlong.Reform of Rural Homestead System:Key Issues, Property Rights Guarantee and Key Breakthroughs, Contemporary Economy& Management（CSSCI）2018（7）.

8. Duan Longlong.Family farms development under the new urban-rural relationship:function adjustment and development trend, Reformation and Strategy（Core Journal of Peking University）,2018（7）.

9. Li Jie, Jiang Yu.On the Impact of Rural Collective Construction Land Entering into the Market on Agricultural Costs, Economics Study of Shanghai School（CSSCI）,2019（1）.