a) Identifya concept on your own from David Ricardo other than the importance of free trade.You need to CLEARLY identify the source (i.e. name of the book and page, or link of the video and time, or name and link of the website). It is preferred that you use academic resources or books from the library.

b) What prompted Ricardo to develop the idea that you chose?

c) How would you use this concept to explain an observation in your life, an historical event, a cultural norm or institution?

d)How would you use this concept to explaina local/international problem?