Which of the following is not considered an assumption of technical analysis?
a. market value is determined solely by supply and demand.
b. supply and demand are governed by both rational and irrational factors.
c. security prices tend to move in trends that persist for an appreciable length of time.
d. stock prices follow a random walk.
e. changes in trend are caused by the shifts in supply and demand relationships.

Which term refers to the amount of products generated divided by the inputs necessary to create that output? a. performance b. industry ranking c. productivity d. organizational performance e. organizational effectiveness

Jewelry manufacturers produce a range of products such as rings, necklaces, bracelets, and brooches. what fundamental economic question are they addressing by offering this range of items?

Stock a has a beta of 1.2 and a standard deviation of 20%. stock b has a beta of 0.8 and a standard deviation of 25%. portfolio p has $200,000 consisting of $100,000 invested in stock a and $100,000 in stock b. which of the following statements is correct? (assume that the stocks are in equilibrium.) (a) stock b has a higher required rate of return than stock a. (b) portfolio p has a standard deviation of 22.5%. (c) portfolio p has a beta equal to 1.0. (d) more information is needed to determine the portfolio's beta. (e) stock a's returns are less highly correlated with the returns on most other stocks than are b's returns.