China's entry into the World Trade Organization in 2001 created more competition between local and foreign firms, and also provided China greater access to the market for exports. This was particularly true in the market for rubber since, at the time, China was the world's second largest consumer of rubber (China is now the world's largest consumer of rubber). What impact do you think the import quota reduction likely had on the price of rubber and the quantity of rubber exchanged in China? What implications do you think the elimination of the quota on rubber had on China's social welfare?