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.
Best Answer: I know that 'to sit on the edge of your seat' means, basically, to be on the alert - in suspense - waiting for something to happen that'll either break the suspense or change your life. To 'sit on the edge of a precipice' is another one; it means that you're already dangerously close to doing something that maybe you shouldn't do. It could also mean that you're close to a mental breakdown. Either way ...