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Numerous studies, including two separate analyses by The Heritage Foundation, have concluded that federal workers do receive a substantial wage premium. Most of these studies have used the cross-sectional human capital method, which compares federal workers to private workers who have the same skills. The cross-sectional method is not perfect, however, and supplemental analyses can be useful in confirming its results. Rather than comparing workers at a single point in time, this report follows individual workers as they switch between the federal and private sectors. It finds that workers who ...

Focusing on the components of both solar photovoltaic technology and wind energy technology and using the gravity model approach with panel data, this study empirically investigated the determinants of bilateral trade in renewable energy goods among ASEAN countries as well as with China, Japan, and South Korea for the period 2012–2019, and also identified China’s export efficiency and export potential. The results showed that the economic sizes of both the exporting and importing countries, the economic freedom of the exporter, and trade agreements and membership of common trade areas sign...

Research proved the significance of forests in controlling carbon emission however, our research shed light on the management of existing forests to combat climate change. To examine the role of forestation and forest investment activities, dynamic spatial techniques are used for 30 provinces of China. The results suggest that forest investment and management not only reduce carbon locally but also in neighboring provinces. Furthermore, the findings of current study confirmed that forest investment are the most viable practices to control carbon emission in China instead of just increasing the...

Abstract We investigate the relationship between social media use and emotional and behavioural outcomes in adolescence using data from a large and detailed longitudinal study of teenagers from the UK. We use individual fixed effects, propensity score matching and treatment effects with Inverse Probability Weighted Regression Adjustment, controlling for a rich set of children's and family's characteristics and using comprehensive sensitivity analyses and tests to assess the potential role of unobserved variables. Our results show that prolonged use of social media (more than 4 hours per day) ...