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.
sit (sÉªt ) Word forms: 3rd person singular present tense sits , present participle sitting , past tense , past participle sat. 1. verb. If you are sitting somewhere, for example in a chair, your bottom is resting on the chair and the upper part of your body is upright. Mother was sitting in her chair in the kitchen.