Use the spreadsheet in the link https://jackblun.github.io/Globalinc/

Consider the following three countries: Gabon, Spain and Norway.

a. For each one calculate the 90/10 ratio in 1980, 1990 and 2014 (6 marks). Note: For Gabon use 1982 which is the earliest year available.

b. Describe the differences in the 90/10 ratio between countries revealed by your calculations. (2 marks)

c. Describe the changes in the 90/10 ratio over time for each country. (2 marks)

d. See this article about Gabon: https://www.theguardian.com/global-development/2016/aug/16/gabon-yawning-poverty-gap-end-dependency-oil

On the basis of this article provide a brief explanation for the 90/10 ratio in Gabon between 1982 and 2014. (5 marks) (Word limit 100)