Answer properly. Links to sites will get reported A characteristic of a natural monopoly is that

A. the firm is dedicated to the use of natural resources.
B. there's no government intervention in the market.
C. the firm is supported by the consumer and voted into existence by the voters.
D. adding businesses in competition would increase the cost to the consumer.

Ashare stock is a small piece of ownership in a company ture or false

Stocks a, b, and c are similar in some respects: each has an expected return of 10% and a standard deviation of 25%. stocks a and b have returns that are independent of one another; i. e., their correlation coefficient, r, equals zero. stocks a and c have returns that are negatively correlated with one another; i. e., r is less than 0. portfolio ab is a portfolio with half of its money invested in stock a and half in stock b. portfolio ac is a portfolio with half of its money invested in stock a and half invested in stock c. which of the following statements is correct? a. portfolio ab has a standard deviation that is greater than 25%.b. portfolio ac has an expected return that is less than 10%.c. portfolio ac has a standard deviation that is less than 25%.d. portfolio ab has a standard deviation that is equal to 25%.e. portfolio ac has an expected return that is greater than 25%.

What is used by accountant to analyze transactions ?