Which of the following is an example of a negative externality?
a. Planting flowers in your front yard.
b. Talking loudly when others are trying to study economics.
c. People donating money to charity.
d. The price of bread increases.
e. Accidentally pushing someone as you try to cross the street.
b
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If the real interest rate falls, other things being the same, the quantity of loanable funds demanded ________ and the quantity of loanable funds supplied ________
A) does not change; decreases B) increases; increases C) increases; decreases D) decreases; does not change E) decreases; decreases
The number of people living in urban areas fell after the Civil War and then increased as World War I approached
Indicate whether the statement is true or false
One of the following is a regression example for which Entity and Time Fixed Effects could be used: a study of the effect of
A) minimum wages on teenage employment using annual data from the 48 contiguous states in 2006 . B) various performance statistics on the (log of) salaries of baseball pitchers in the American League and the National League in 2005 and 2006. C) inflation and inflationary expectations on unemployment rates in the United States, using quarterly data from 1960-2006. D) drinking alcohol on the GPA of 150 students at your university, controlling for incoming SAT scores.
Polly estimates that if she spends another $10,000 to upgrade the computer equipment at her tax preparation company, the number of tax returns she can handle will increase from 200 to 280 . She charges an average of $50 to do each tax return. The MRP per dollar of this $10,000 upgrade is
a. $10,000 b. 25 percent c. $4,000 d. 100 percent e. 40 percent