Last Month,sellers of Good Y Took in $100 in Total

question 244

Multiple Choice

Last month,sellers of good Y took in $100 in total revenue on sales of 50 units of good Y.This month sellers of good Y raised their price and took in $120 in total revenue on sales of 40 units of good Y.At the same time,the price of good X stayed the same,but sales of good X increased from 20 units to 40 units.We can conclude that goods X and Y are

• A)substitutes,and have a cross-price elasticity of 0.60.
• B)complements,and have a cross-price elasticity of -0.60.
• C)substitutes,and have a cross-price elasticity of 1.67.
• D)complements,and have a cross-price elasticity of -1.67.

---

Definitions:

Expiration

The date on which a financial contract or derivative expires, after which the contract is either settled or no longer valid.

Black Scholes Model

A mathematical model of a financial market containing derivative investment instruments, used to price European options.

Dividend Yield

A ratio demonstrating the yearly dividends a company distributes in relation to its share price.

Exercise Price

The price at which an option holder can buy or sell the underlying security.