The essay should be an academic piece of writing . The essay should follow a clear and coherent structure, for example you could structure your paper as:
1) Introduction
Stating your hypothesis, explain why this topic is important and relevant, what related literature already exists , and how your work contributes to the existing literature on this topic.
2) Describe your data , ideally including a well-labelled Figure.
Describe your estimated model, justify the functional form you choose and what assumptions you make in your model, and whether these assumptions are reasonable in your context.