2. Individual Problems 8-2 The \"A" index is a proxy for the world price of cotton. From January to October 2010, the price reflected by the \"A\" index decreased by about 50%. On the following graph, shift the demand curve to show what may have caused the decrease in the price of cotton. (9 Su I pp Demand Supply ---------+ "A" INDEX PRICE OF COTTON QUANTITY OF COTTON Another possible explanation for this decrease in the price of cotton is a V shift of the supply curve