Food security in China affects the livelihood and well-being of one-fifth of the world population. Climate change is now affecting agriculture and food production in every country of the world. Here the authors present the IMPACT model results on yield, production, and net trade of major crops...

A new multi-agent based congestion evacuation model incorporating panic behavior is proposed in this paper for simulating pedestrian evacuation in public places such as a stadium. Different from the existing results, pedestrians in this model are divided into four classes and each pedestrian’s...

In the context of "carbon peaking" and "carbon neutrality", the low-carbon development of agriculture has received increasing attention. In order to adapt to WTO rules, China is adjusting its agricultural support and protection policies. The agricultural "three subsidy" reform aims at the...

This paper investigates the optimal private health insurance contract design problem considering the joint interests of a policyholder and an insurer. They jointly determine the premium of a private health insurance. To better reflect the reality, the illness expenditure is governed by an...

This paper presents an approach of combining biophysical, social, and economic factors for spatially explicit assessment of potential future risks of food insecurity at a global scale over the period of 2000--2020 under a certain scenario. In doing that, two indicators, namely per capita food...

La Chine a ouvert deux bourses nationales au début des années 1990. Dans cet article, nous présentons le système de Bourse en Chine. D’abord, nous introduisons le cadre général (procédures de cotation et différents types d’actions et le cadre réglementaire). Ensuite, nous montrons...

Understanding the complexity of agricultural systems requires insight into the human–environment interactions. In this paper we used survey data to analyze land system change and its relation to farmer’s attitudes in a typical agricultural region of Northeast China, focusing on land tenure,...