We propose a new rank-based goodness-of-fit test for copulas. It uses the information matrix equality and so relates to the White (1982) specification test. The test avoids parametric specification of marginal distributions, it does not involve kernel weighting, bandwidth selection, or any other...

Dynamic pricing problems have received considerable attention in the operations management literature in the last two decades. Most of the work has focused on structural results and managerial insights using stylized models without considering business rules and issues commonly encountered in...

In this paper discounted and average Markov decision processes with finite state space and countable action set (semi-infinite MDP for short) are discussed. Without ordinary continuity and compactness conditions, for discounted semi-infinite MDP we have shown that by exploiting the results on...

Severe situation faced by China's agri-ecological security is elaborated. It is believed that cultivation of farmers' citizenship is the key to solving this problem, because it is favorable to consolidating farmers' independent and equal ideas, enhancing farmers' cooperative community idea,...

According to the requirements of "going out" strategy of Jilin Tobacco Industry Co. Ltd., in order to further expand the Changbaishan series brand in the market of North Korea, this paper elaborates the product development and maintenance ideas and measures for three cigarette companies in North...

To obtain the cathode microporous layer (CML) with high mass transfer performance and high electronic conductivity, a pore-forming technology was introduced to optimize CML microstructure for direct methanol fuel cells. In this paper, the effects of carbon material type, carbon material loading...

Increased population pressure and political decisions have led to more intensive agricultural practices in China. As in other regions of the world, these practices can damage natural capital We use the Kalman filter and Chinese panel data to estimate an index of environmental productivity...