int/Z in: RCA.- = )1! ZXiii/ZZX' , J J I where X j\" is the export value of product i of country j at year t . The denominator incorporates aggregated world values (all countries). a. (5 marks) Generate 3 tables on your Word document where you list the top 10 products by comparative advantage in each of the selected years (one table per year). Each table should include the rank, product ID, product name (description) and the corresponding RCA. Please make sure you briey introduce the information provided in the tables with at least a couple of sentences written above the tables. Note: The index represents the share of a particular product in the total exports of a country, relative to the share of that product in world trade. A country is said to have a revealed comparative advantage in a product when the corresponding index is greater than 1 ( RCA> 1 ). b. (5 marks) In no more than 300 words discuss your ndings analysing the patterns and trends of comparative advantage. What do you think are the sources of the revealed comparative advantages for your country and their change over time (in case a change is observed)? Your discussion should be supported not only by the data analysis but also by research on relevant literature and the theories presented in the subject