The recent large and rapid slowdown in economic activity has resulted in even larger and more rapid declines in international trade. As world trade is set to rebound, this paper addresses three questions: (i) Will trade volumes rebound in a symmetric fashion as world economic growth rebounds?...

This paper presents an action guided constraint satisfaction technique for planning problem. Different from the standard algorithms which are almost domain independence and cannot reflect the characteristics of the planning progress, this paper discusses how the action rules in planning act in...

Risk aggregation with dependence uncertainty refers to the sum of individual risks with known marginal distributions and unspecified dependence structure. We introduce the admissible risk class to study risk aggregation with dependence uncertainty. The admissible risk class has some nice...

The impact of hydraulic engineering works and human activities on hydrology has become a hot issue along with the economy and social development. The water cycle model of the upper reaches of the Yangtze River (URYR) is established based on the improved Soil and Water Assessment Tool (SWAT)...