3 AS Economics resources Search within results Go How ratings and recommendations work Apply Filter resourcesClear all filtersLevelClear filter AS SubjectClear filter Economics Exam board AQA OCR TopicClear filter The reasons why individuals, organisations and societies having to make choices Resources Revision Notes Specialization and Exchange, Division of Labour AS, Economics Revision notes Production Possibility Curves AS, Economics Revision notes Economic systems AS, Economics Revision notes Search again