Why would you not find product differentiation in monopolistic competition and oligopolies

> > objectives define federalism and explain why the framers adopted a federal system instead of a unitary system. categorize powers delegated to and denied to the national government, and powers reserved for and denied to the states, and the difference between exclusive and concurrent powers.

Which of the following tends to result in a decrease in the selling price of houses in an area? a. an increase in the population of the city or town. b. an increase in the labor costs of construction. c. an increase in the income of new residents in the city or town. d. an increase in mortgage interest rates.

What is the average price for the cordless telephones (to 2 decimals)? $ b. what is the average talk time for the cordless telephones (to 3 decimals)? hours c. what percentage of the cordless telephones have a voice quality of excellent? % d. what percentage of the cordless telephones have a handset on the base?