Using the information in the table shown, the rate of inflation from 2008 to 2009 was:

Which of the following are explanations for sticky prices?

a. long-term labor contracts b. fixed exchange rates c. flexible exchange rates d. fixed money supply

The supply and demand for wheat are given by

QS= 20 + 100p QD = 4000 - 100p +10Y Where Y is the average consumer income. a. Compute the partial derivative of quantity demand with respect to changes in average consumer income. b. Solve for the equilibrium price and quantity as functions of the consumer income. c. Compute the derivatives of the equilibrium price and quantity with respect to income.