ECON3 25 mark intro help?

Hey all,

I'm really confused on the 25 mark question, I'm not sure how to start it! I have been reading the mark scheme and cant work it out.

Could someone help? question is below as well as the mark scheme for the intro.



It is ‘difficult to judge whether GM crops will boost productivity to feed the world and create social benefits or cause market failure through monopoly, environmental damage and adverse side effects on human health’.

Using the data and your economic knowledge, evaluate the view that the UK Government should support the production and use of GM crops. (25 marks)




Introductory:

Links between the quotation and economic issues that are contested, eg
• Positive/ negative externalities
• Consumer choice/ monopoly power
• Food security/ distributive issues