The price of a gallon of milk falls. Which of the following is a possible cause? a discovery that milk cause diabetes
a drought that reduces supplies of feed grains fed to cows that produce milk
an increase in the income of the average household, with milk being a normal good
a decrease in the price of oatmeal, a complement to milk

The basic difference between macroeconomics and microeconomics is that: a. microeconomics looks at the forest (aggregate markets) while macroeconomics looks at the trees (individual markets). b. macroeconomics is concerned with groups of individuals while microeconomics is concerned with single countries. c. microeconomics is concerned with the trees (individual markets) while macroeconomics is concerned with the forest (aggregate markets). d. macroeconomics is concerned with generalization while microeconomics is concerned with specialization.