The U. Department of Agriculture, www.gov , publishes charts on the prices of farm products.

The U.S. Department of Agriculture, www.nass.usda.gov, publishes charts on the prices of farm products. 

Click on the USDA link

Click on Charts and Maps

Click on Economics

Click on Ag Prices

Choose three farm products and determine whether their prices (as measured by "prices received by farmers") have generally increased, decreased, or stayed the same over the past three years. In which of the three cases, if any, do you think that supply has increased more rapidly than demand? In which of the three cases, if any, do you think that demand has increased more rapidly than supply? Explain your reasoning.