Over time, more and more foreign aid is being channeled through private organizations such as CARE

What role does the concept of cointegration and the order of integration play in modeling the relationship between variables? Explain how tests of cointegration work

What will be an ideal response?

Which of the following is true of a firm that can successfully practice price discrimination?

a. Its total revenue is often reduced. b. It appropriates a part of the consumer surplus. c. It has no way of distinguishing between types of customers. d. It has no market power in the industry. e. It must be a perfectly competitive firm.