The scientific disposal of Municipal Solid Waste (MSW) is of great significance to the urban ecological environment and the residents’ health. Taking into account the economic, technical, environmental, social indicators, as well as their subindicators, analyzing fourteen evaluation factors, the paper discusses four kinds of disposal methods of MSW using AHP and Fuzzy comprehensive evaluation. ...

This paper studies optimal investment in multi-species protection when species interact in an ecosystem and there is uncertainty about the exact nature of species interaction. The analysis is based on a model of stochastic species extinction in which survival probabilities are interdependent. Individual species protection plans can increase a species’ survival probability within certain limits ...

Proponents of compensation plans based on economic profits argue that these plans control for deficiencies in stock-based or earnings-based bonus plans and thereby better align managers’ and shareholders’ interests. We examine whether compensation plans based on economic profits do in fact produce better investment decisions. We use a sample of 51 firms adopting economic profit plans between 19...

This paper studies environments where individuals allocate resources across relationships with others, creating a weighted, directed network. Value is achieved both through an exogenous factor and maintaining close connections to high-value individuals. We consider two cases corresponding to the direction benefits flow along links. In Model A (for “asking”) agents receive benefits through the l...