A. Optimum Currency Areas Explain why an increase in the degree of integration with the other members of a currency union likely reduces the cost ofjoining the union for a prospective new member. How does an increase in the size of automatic fiscal transfers (based, say, on relative output in the economies) affect the costs and benefits ofjoining a currency union? c. Why is it that countries that are dissimilar economically {in the sense that they do not experience similar economic shocks] are likely to find a currency union problematic