Which of the following statements is true?
A) Income inequality within most countries has increased during the past 20 years.
B) Income inequality across the entire world has decreased during the past 20 years.
C) Income inequality within most countries and across the entire world has not changed much during the past 20 years.
D) Both A and B are correct.
E) None of the above is correct.
D
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The labor supply curve has a positive slope if the
A) substitution effect outweighs the income effect. B) income effect outweighs the substitution effect. C) demand for labor is elastic. D) demand for labor is inelastic.
A natural monopoly has a. constant average costs cost over the relevant range of output. b. economies of scale over the relevant range of output
c. constant returns to scale over the relevant range of output. d. diseconomies of scale over the relevant range of output.