The course of urban environmental management (UEM) development in China is reviewed and analysed in this paper. The current situation that exists in the field of urban environmental management is also analysed from the aspects of the legislation, environmental policies, economic incentives and...

We study a coordination contract for a supplier-retailer channel producing and selling a fashionable product exhibiting a stochastic price-dependent demand. The product's selling season is short, and the supply chain faces great demand uncertainty. We consider a scenario where the supplier...

This paper develops efficient forward algorithms and planning horizon results for several machine replacement models under an improving technological environment over time. The models are that of cost minimization, profit maximization, and cost minimization with probabilistic breakdowns. The...