Problem five For this question, refer to the article from The Economist magazine titled "A coup in Guinea adds fuel to aluminium's red-hot rally". a) The article identifies a number of factors behind the recent increase in the price of aluminium. Mention these factors and indicate whether they are demand-side or supply- side factors. b) With the aid of a well-labeled diagram, illustrate the effects of the factors identified in part (@) above on the equilibrium price and quantity of aluminium. Pay attention to the statement in the article that "Supply constraints, however, have been more important" when drawing your diagram