Mean variance analysis is a component of modern portfolio theory, which assumes investors make rational decisions, and that for increased risk they expect a higher return. Next Up.
sitâ²-in`. 1. an organized passive protest against racial segregation in which the demonstrators occupy seats prohibited to them in public places. 2. any organized protest in which the demonstrators occupy and refuse to leave a public place.
By the end of the month, sit-ins had taken place at more than 30 locations in 7 states, and by the end of April over 50,000 students had participated. The sustained student protests in Nashville, Tennessee, were particularly well organized.