The main determinant of real wage

Under a fixed exchange rate system with perfect capital mobility, what happens when the government increases its spending?

According to the Romer model, if the stock of ideas increases by 15 %, how much will output per worker increase when all else is equal?

Which of the following Herfindahl-Hirschman Index is most consistent with monopoly?

For any given price, a firm in a competitive market will maximize profit by selecting the level of output at which price intersects the

C= 0.8(1-t)Y , t=0.25, I=200 and G=800. Calculate the change in output when tax rate increases to 0.50