Practise Edexcel A A Level Economics 1.1.6 Free market economies, mixed economy and command economy with exam-style questions for A Level Economics. 22 questions, matched to the Edexcel A A Level Economics (9EC0) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.