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MN7402: Business Economics

Seminar 3 (Lectures 4 & 5)

Part A (Comprehension)

1. A firm has competitive advantage over its rivals when:

(a) It provides higher consumer surplus from its product line than its rivals provide from their own product lines.

(b) It generates lower profit margin than its rivals.

(c) It generates higher profit margin than its rivals.

(d) Its value creation is higher than the value creation of its rivals.

2. Positive value creation is achieved when:

(a) The product price is above the firm’s cost.

(b) The consumer’s willingness-to-pay is higher than the product’s price.

(c) The consumer’s willingness-to-pay is higher than the firm’s cost.

(d) None of the above.

3. One of the primary activities in the value chain is:

(a) Human resource management.

(b) Technology development.

(c) Firm finance.

(d) Marketing and sales.

4.  If the indifference curve of a customer in the value map is almost flat, then this means that:

(a) The customer benefits a lot from increases in the product’s quality. (b) The customer does not value quality differences that much.

(c) The customer is indifferent to changes to quality.

(d) The customer is indifferent to changes to the price.

Part B (Problems and Discussion)

5.   Flash Plc competes against Novaphone in the market for mobile phones.   The equation below represents the benefit that a typical buyer of a device gets as a function of its quality.

Consumer’s Benefit = 2.5 × Quality

Novaphone sets its quality for mobile phones equal to £400 and its price equal to £700. Its cost per mobile is £600.

a. Provide the equation of a customer’s indifference curve in this market. Draw it on the value map. How is it related to the consumer surplus?

b. Find the distribution of the value creation for a Novaphone mobile.

c.  Flash sets its quality equal to £300.  Find the maximum cost per mobile for

Flash so that it has competitive advantage over Novaphone.

6.  Briefly explain with a use of an example why competitive advantage is based on value creation and not on consumer surplus.