《AP Barron's经济学（第3版）》讲述了：This book is designed to prepare you for the AP exam in microeconomics， the AP exam in macroeconomics， or both. The College Board is very specific about what material will appear on each exam and the extent to which specific topics are emphasized. For instance， 50 to 70 percent of the AP exam in microeconomics con cerns "the nature and function of product markets." On the macroeconomics exam， "inflation， unemployment， and stabilization policies" are emphasized. This study guide takes into consideration the coverage and emphases of recently administered AP exams.
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