COLLEGE AFFIRMATIVE ACTION BANS AND SMOKING AND ALCOHOL USE AMONG UNDERREPRESENTED MINORITY ADOLESCENTS IN THE UNITED STATES: A DIFFERENCE-IN-DIFFERENCES STUDY.

BackgroundCollege affirmative action programs seek to expand socioeconomic opportunities for underrepresented minorities.Between 1996 and 2013, 9 US states-including California, Texas, and Michigan-banned race-based affirmative action in college admissions.Because economic opportunity is known to motivate health behavior, banning affirmative action

The size of a streaming graph is possibly unbounded, and it is updated by a continuous sequence of edges over time.Due to numerous types of real-world interactions, the nature of edge arrival in a streaming graph is dynamic and holds different types of temporal subgraphs, such as stars, bipartite forms, cliques, and chains.The most current techniqu

A lot of research work has studied the auction mechanism of uncertain advertising cooperation between the e-commerce platform and advertisers, but little has focused on pricing strategy in stable advertising cooperation under a certain market power structure.To fill this gap, this paper makes a study of the deep interest Baby Creams distribution of