Suppose Jack and Kate are at the town fair and are choosing which game to play. The first game has a bag with four marbles in it-1 red marble and 3 blue ones. The player draws one marble from the bag; if it is red, they win $20 and if it is blue, they win $1. The second game has a bag with 10 marbles in it-1 red, 4 blue, and 5 green. The player draws one marble from the bag; if it is red, they win $20; if it is blue, they win $5; and if it is green, they win $1. Both games cost $5 to play. Kate decides to play the second game. Kate's expected value of payoff is:

If the unemployment rate in the economy is steady at 4 percent per year, how does the short-run Phillips curve predict that the inflation rate will be changing, if at all? What will happen if the unemployment rate now rises to 7 percent per year?

Assume there are no changes to inflation expectations. Provide an appropriate graph to support your discussion.

As the wage rate rises to extremely high levels, the ____________ becomes stronger than the ____________.

A. income effect; substitution effect B. substitution effect; income effect C. marginal revenue product; resource demand D. None of these choices are correct.