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.
The Fellowship of Reconciliation (FOR) and the Congress of Racial Equality (CORE) conducted sit-ins as early as the 1940s. In August 1939, African-American attorney Samuel Wilbert Tucker organized a sit-in at the then-segregated Alexandria, Virginia, library.