Which of these will shift the demand for coffee? Which will shift supply? What will be the effect on the equilibrium price and quantity? Draw graphs to illustrate your answer a. A new study announces unexpected health problems associated with coffee b. An unusually cold winter occurs in the US (temperatures unchanged in coffee producing countries) c. A new technique is developed that allows coffee to be produced more cheaply d. You win the lottery and have more disposable income e. The price of tea decreases f. Unionization of coffee workers raises wages paid by coffee growers.