The impact of environmental protection tax on the health of middle-aged and older adults: evidence from CHARLS data in China.

Introduction: With the aging population, the relationship between human health and the ecological environment has gained increasing attention. In China, it is imperative to evaluate the policy effects of the Environmental Protection Tax (EPT) on improving the ecological environment and enhancing the health of middle-aged and older adult people.

Methods: This study, based on data from the China Health and Retirement Longitudinal Study (CHARLS), employs a Difference-in-Differences (DID) model to assess the health effects of the EPT policy.

Does high-speed rail stimulate university technology transfer? evidence from China.

Prior studies ignore the impact of infrastructure on university technology transfer. High-speed rail, China's most significant infrastructure, has played an essential role in the economy and society. Using high-speed railway construction as a quasi-experiment and a large sample of Chinese universities for the 2007-2017 period, we investigate the impact of high-speed rail on university technology transfer.

The influence of prepaid service and promotion purchase restriction on consumers' willingness to share in tourism and hospitality: from the perspective of framing effect theory.

Prepaid service is not only a financial tool, but also a common promotion mode in tourism and hospitality. Due to the limited resources of the enterprise, the enterprise needs to reasonably allocate the promotion resources to maximize the effectiveness of the promotion. As two common promotion purchase restrictions, limited-time promotion and limited-quantity promotion how to interact with prepaid services in the form of discounts or freebies to enhance consumers' willingness to share is the focus of this study.