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Note: Same information for questions 20-25. The world is made of two countries. Home has 8000 workers and Foreign has 2000 workers. One unit of labor is one worker working for a week. The following figure represents the marginal product of labor of the home country (MPL, measured from the left) and the marginal product of labor of the foreign country (MP*L, measured from the right). Note: it’s really important that you get the initial situation (before there is any migration) correctly. If you get it wrong all of your answers are likely to be wrong. Now migration becomes free between the two countries. Use this to answer questions 22-25. How many workers will emigrate from one country to another? Enter a whole number.

When Bella visits her mother, she takes great pains to watch her language and use good manners because that is what her mother expects of her. This demonstrates the concept of

Which of the following best represents Erikson’s stage of ‘Industry vs. Inferiority?

________ occurs when a firm exports goods or services to consumers in another country.

People who share a common set of values and norms form a

What did B.F. Skinner emphasize in his research on operant conditioning?

Most modern democratic states practice pure democracy in which citizens are directly involved in decision making.

Significant changes occur in the circulatory system as the pregnancy progresses  The cardiac output [answer1], the total blood volume [answer2], and the hemoglobin and hematocrit levels [answer3] . 

The nurse is describing to a pregnant woman how the embryo receives oxygenation. Which of the following is the correct response by the nurse?

A nurse is discussing physical aspects that may affect fertility with a couple who are trying to become pregnant. Which factors did the nurse mention that may affect the sperm quality in a male?  Untreated gonorrhea [answer1] Nightly use of hot tub [answer2] Varicocele [answer3] Impotence [answer4] Obesity [answer5] Substance abuse[answer6]