“The Impact of Government Intervention on Demerit Goods: A Case Study of Tobacco Tax” Research Question: How does government intervention, specifically through tobacco tax, affect the consumption and production of demerit goods, with a focus on the tobacco industry

Make me a research page for my extended essay economics. I wanna do something about demerit good and government intervention on it e.g tobacco tax or something . Find something that’s quite recent. Help with the research , research question,  and methodology , a short brief outline.
Thanks