Which of the following refers to panel data?
A. Data on the unemployment rate in a country over a 5-year period
B. Data on the birth rate, death rate and population growth rate in developing countries over a 10-year period.
C. Data on the income of 5 members of a family on a particular year.
D. Data on the price of a company's share during a year.
Answer: B
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Rio Tinto's incentive to adopt new robotic technology was increased by the high wages it was having to pay to attract miners and truck drivers. In this instance, Rio Tinto began using new robotic technology to
A) substitute labor for capital in production. B) add labor as a complementary resource for its capital. C) add capital as a complementary resource for its labor. D) substitute capital for labor in production.
The assumptions underlying the simple linear regression model are:
a. the value of the dependent variable Y is postulated to be a random variable b. a theoretical straight-line relationship exists between X and the expected value of Y c. associated with each value of X is a probability distribution d. the disturbance term is assumed to be an independent random variable e. a through c f. b through d
Alan Jones owns a company that sells life insurance. When he employs 10 salespersons his firm sells $200,000 worth of contracts per week, and when he employs 11 salespersons, total revenue is $210,000 . The marginal revenue product of the 11th salesperson is:
a. $410,000. b. $10,000. c. $20,000. d. $210,000.
A minimum wage is the:
A. lowest wage that a firm is legally allowed to pay its workers. B. highest wage that a firm is legally obligated to pay its non-skilled labor. C. wage every high school dropout will earn if they are employed. D. prevailing wage for low-income workers in a nation.