The principle that people should pay taxes based on the benefits they receive from government services is called the

What three decisions do firms make simultaneously?

What will be an ideal response?

If consumers switch away from eating margarine at the same time that the number of margarine suppliers increases, then

a. these two effects cancel each other out and there is no change in the margarine market equilibrium b. the demand curve shifts left and the supply curve shifts right c. there is a margarine price increase d. there is an excess demand for margarine e. the equilibrium quantity of margarine must increase