Municipal household waste management (MHWM) is of great importance for both urban governance and sustainable development. Currently, Chinese governments at all levels are making great effort to implement MHWM by waste classification and recycling (WCR). However, the pursuit of self-interest by...

Carry trade refers to a risky arbitrage in interest rate differentials between two currencies. Persistent excess carry trade returns pose a challenge to foreign exchange market efficiency. Using a data set of ten currencies between 1990 and 2017, we find: (i) a machine learning model, long...

Purpose: In order to improve the energy utilization and achieve sustainable development, this paper integrates energy efficiency into condition-based maintenance(CBM) decision-making for two-component parallel systems. The objective is to obtain the optimal maintenance policy by minimizing total...

In this study, thermal interface material is used in photovoltaic-thermoelectric coupling device to enhance the utilization of solar energy. An operating system including cooling equipment is established. The output performance evolutions of PV–TE coupling device are carried out based on...