Abstract: The performance evaluation (PE) of the Photovoltaic(PV) system is an index representing the efficiency and reliability of the system. Most PE indicators evaluate the ratio of theoretically ...

Objective: The purpose of this study was to investigate the cumulative impact of unemployment on the overall health of middle-aged and older adults in China, and to explore the moderating role of ...

Global growth is projected to decline after a period of steady but underwhelming performance, amid policy shifts and new uncertainties. Global headline inflation is expected to decline further, ...

1 College of Physical Education, Xi’an Shiyou University, Xi'an, China 2 Center for Applied Science in Health and Aging, Western Kentucky University, Bowling Green, KY, United States Introduction: ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Somer G. Anderson is CPA, doctor of ...

This database originally covered cases from 1982 to 2012 and has since been updated and expanded numerous times. For analysis and context on this data—including how we built the database, and a change ...

This survey is conducted to clearly identify the monthly trends in industrial production and obtain basic materials for mining and manufacturing policies. The scope of this survey covers ...

The inflation rate in Germany is expected to be +2.2% in August 2025. The inflation rate is measured as the change in the consumer price index (CPI) compared with the same month a year earlier. Based ...