In empirical regression analysis, the existence of high multicollinearity suggests that predictors may provide redundant information and cause a reduction in statistics power. Meanwhile, dropping correlated variables may result in mis-specified models with biased parameters. Unlike previous...

This volume was prepared by Julian Dieler while he was working with the Center for Energy, Climate and exhaustible Resources at the Ifo Institute for Economic Research. At the latest since the adoption of the Kyoto Protocol in 1997 climate policies are permanently on the international policy...

This volume was prepared by Julian Dieler while he was working with the Center for Energy, Climate and exhaustible Resources at the Ifo Institute for Economic Research. At the latest since the adoption of the Kyoto Protocol in 1997 climate policies are permanently on the international policy...

Synthetic control method has been used in comparative case studies, in which the existence of a counter-factual unit with high level of similarities and comparability is crucial. On the other hand, many studies have been done and many methods have been offered in order to overcome the potential...

Historically, the Spanish labor market has been quite unstable. The unexpected arrival of COVID-19 in 2020 has stressed these vulnerabilities. In this paper, we analyze the immediate impact of the pandemic on Spanish labor market outcomes. We find that, during the lockdown period, individuals...

Our study aims at assessing the actual importance of the two main channels usually contemplated in the literature through which upstream sector anticompetitive regulations may impact productivity growth: business investments in R&D and in ICT. We thus precisely try to estimate what are the...

This paper uses count and binary data models with endogenous switching, and propensity score matching to evaluate the effect of the subsidized health care program in Medellin (Colombia). The subsidized program, which primarily covers poor people, is found to have a negative association with the...

This study examines the impact of the Vocational Training Institutes (VTIs) on employment in the Punjab province, Pakistan. I exploit the difference-in-difference and instrumental variable methods using data from Global Data Lab, Pakistan Board of Statistics (PBS) and Punjab Vocational Training...

This paper exploits the exogeneity of weather conditions to evaluate renewable energy (RE) subsidy programs in Germany and Spain in terms of their costs for reducing carbon dioxide emissions. We find that both the aggregate costs and the distribution of costs between energy producers and...

This article aims to examine the relationship between the COVID-19 pandemic and Amazon company, one of the most preferred online shopping companies. In doing this, we analyze the relationship between stock prices and sales. Since the COVID-19 virus outbreak on December 1, 2019, online shopping...