Abstract: Now a days, students are under a lot of stress due to social issues and schoolwork. Additionally, they use smart devices excessively, which negatively impacts their mental health. an online ...
Abstract: Today, in the digital moment, when the presence of the Internet in daily life is all around, management of data has become an indispensable part in any kind of organization irrespective of ...
This paper surveys econometric innovations related to differences-in-differences estimators and to event-study models with time-varying treatment effects. Our discussion highlights tricky ...
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