Select at least two news articles that discuss demand, supply, and equilibrium price of two substitute products, like beef and chicken; butter and margarine. It can be two articles that discuss both products, or one article about one product and another article about another product. At least one news article should be dated within the previous two months . Demand for one product: - Quantity demanded, - Determinants of demand, - Shifts in demand curve, etc. Demand for another product: - Quantity demanded, - Determinants of demand, - Shifts in demand curve, etc. Supply for one product - Quantity supplied, - Determinants of supply, - Shifts in supply curve, etc. Supply for one product - Quantity supplied, - Determinants of supply, - Shifts in supply curve, etc. Changes in equilibrium quantity and equilibrium price for one product Changes in equilibrium quantity and equilibrium price for another product