Movement along versus shift of demand and supply curves.

Consider the supply of peanut butter.

Which of the following would cause a movement along the supply curve Ithat it is a change in the quantity supplied) for peanut butter? Check all that apply.

1. A change in the price of peanut butter

2. A change in the price of peanuts (used idn the production of peanut butter.

3. A change in the number of products

Which of the following would cause a shift of the supply curve for peanut butter? Check all that apply

1. A change in the price of peanut butter

2. A change in expectations about the future price of peanut butter

3. A change in the price of peanuts (used in the production of peanut butter.