For question 3-5, the answers should be work on all the countries (the data is provided in excel in attachment) for the years under consideration in order to identify the pattern of convergence, you can p18 sample in the long run ppt to create a new logs figure. I also attached the textbook as the reference. For question 2 please find some secondary resources as the reasons to support the changes. My school use Turnitin to check plagiarism, so please make sure everything is in your own words if that isn't a quotation.