Showing 81 - 90 of 156
Persistent link: https://www.econbiz.de/10011656646
The paper analyzes labor-use efficiency and employment elasticity in China’s manufacturing sector by applying a stochastic input distance function to the panel data of twenty-eight Chinese manufacturing industries relative to 1999-2008. The outcome is a labor-use efficiency rate ranging from...
Persistent link: https://www.econbiz.de/10010876462
This paper systematically presents recent research on the integrated optimization of hydroelectric energy in the upper and middle Yangtze River. The primary techniques related to the management of these systems, such as hydrology and hydrological modelling, flood routing optimization for power...
Persistent link: https://www.econbiz.de/10011209052
Persistent link: https://www.econbiz.de/10007402415
This paper analyzes the impact of Research and Development (R&D) on the productivity of China's high technology industry. In order to capture important differences in the effect of R&D on output that arise from geographic and socioeconomic differences across three major regions in China, we use...
Persistent link: https://www.econbiz.de/10009216349
Factors influencing householders’ transferring out the cultivated land are analyzed from the aspects of farmers’ individual characteristics, farmers’ family features, resources endowment features and external environmental features. And based on the results of the...
Persistent link: https://www.econbiz.de/10009365709
We investigate the dynamics of a plastic ball on a vibrated platform in air by introducing air damping effect into the completely inelastic bouncing ball model. The air damping gives rise to larger saddle-node bifurcation points and a chaos confirmed by the largest Lyapunov exponent of a...
Persistent link: https://www.econbiz.de/10010843704
Short-term hydrothermal generation scheduling aims at determining optimal hydro and thermal generations to achieve minimum fuel cost of thermal plants for a 1 day or a 1 week while meeting various hydraulic and electric system constraints. The problem is viewed as a complex and nonlinear hard...
Persistent link: https://www.econbiz.de/10010808075
This paper develops a simulated annealing based multi-objective cultural differential evolution (SA-MOCDE) for solving daily hydrothermal operation scheduling with economic emission (SHOSEE) while considering water transport delay and transmission loss of system load, and it is formulated for...
Persistent link: https://www.econbiz.de/10010809524
In this paper, we focus on the relationship between operations-based variables (specifically, production speed, scrap rate and maintenance speed) and the manufacturing cost. These variables usually produce opposite influences on the variable cost and the fixed cost. For example, setting the...
Persistent link: https://www.econbiz.de/10010729601