In a two-period model with production, an increase in the world real interest rate
A) increases domestic output and increases the current account surplus.
B) increases domestic output and decreases the current account surplus.
C) decreases domestic output and increases the current account surplus.
D) decreases domestic output and decreases the current account surplus.
A
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Jamie is preparing to take his SAT tests. The table above shows how Jamie's score depends on the number of hours a week Jamie studies
a. Plot the relationship in the figure, putting the hours studied on the horizontal axis. b. Is the relationship you plotted positive or negative? c. What happens to the slope of the relationship as hours studied increase? d. Suppose Jamie can enroll in an SAT prep course and, by so doing, for every possible number of hours he studies, his score will be 100 points higher. Plot the new relationship between the number of hours studied and Jamie's SAT score in the figure. e. How many variables are involved in the figure you just completed?
When a monopolistically competitive firm lowers its price, one good thing happens to the firm. What is this "one good thing" called?
A) the income effect B) the price effect C) the substitution effect D) the output effect