Which of these records the value of international purchases and sales of stocks, bonds, real estate, businesses, and bank accounts?

The primary difference between an American and European option is:

A) American options must be exercised on the expiration date B) European options must be exercised on the expiration date C) American options may be exercised at any point up until the expiration date D) European options may be exercised at any point up until the expiration date

Which of the following would shift the U.S. short-run aggregate supply curve to the right?

a) A fall in the number of migrant workers from Mexico b) Higher oil prices c) An increase in welfare benefits d) An loosening of the restrictions on child labor