Introduction
Body
Conclustion
It is the same for english essays
Useless advice.
Intro:
-Define key terms of the question
-Answer the question
-Provide relevant economic data/stats
Body
-Paragraphs outlining each point of your answer to the question and usually evaluating/assessing/analysing their impacts or effects
Conclusion
(you will not lose marks for not having one in the HSC, though is preferable)
-Restatement of your answer
-Summarise body points