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.
If you sit someone somewhere, you tell them to sit there or put them in a sitting position. He used to sit me on his lap. He'll sit you in front of his computer and give you a glimpse of the problem. To sit someone down somewhere means to sit them there. She helped him out of the water and sat him down on the rock.