Question 3 {20Pointsl Read the paper by Philip Abbott \"Export Restrictions as Stabilization Responses to F ood Crisis\" and answer the following questions: (a) In response to the dramatic increases in world commodity prices during the food crisis of 2007-08, outline the trade and domestic policy response measures that where taken by different countries to stabilize domestic markets and protect urban consumers [5 Points]? (b) Why did some exporters leave their border open while others withdrew from the world market [5 Points]? (c) Use graphical analysis to outline the effect of an increase in export demand followed by an export tax for a large exporting country. Be sure to show the effect on prices, volume of trade, tax revenue and welfare effects for exporting country and rest of world [I'llI Points]