In this paper, we study the least squares (LS) estimator in a linear panel regression model with unknown number of factors appearing as interactive fixed effects. Assuming that the number of factors ...

Social scientists have generated a large and inconclusive literature on the effect(s) of marriage on men's wages. Researchers have hypothesized that the wage premium enjoyed by married men may reflect ...

Study shows cigarette prices and age-of-sale laws impact youth smoking in the EU, with effects varying by region and gender.

Background Anti-C1q autoantibodies can disrupt normal complement function, contributing to the formation of pathogenic immune ...

The study leverages quarterly panel data from commercial banks in BRICS countries between 2015 and 2023. Using fixed-effects regression models, the authors estimate how banks’ exposure to high-ESG ...