Some surveys collect data of individuals who are nested within hierarchical organizations or countries. These data are useful, for instance, for ranking countries according to a major outcome adjusted for covariates. Reporting only means produces rankings that are biased. So it is necessary to...

COVID-19 has taken most companies by surprise, forcing many of them to suspend activities. Grocery retail companies have had the option to continue since they are considered an essential activity. However, they were conditioned to new operating guidelines during the pandemic. A home delivery...

An institutional accreditation represents an opportunity for business schools to demonstrate the quality of its programs, increasing its prestige and its national and international visibility. In this paper, we study the relationship between the research environment in Mexican business schools...