AP经济学的基本概念

　　Macroeconomics speaks of such economic measures as realoutput(real GDP) and economic growth, unemployment, the general level of prices，balanceof payment , fiscal policy and financial Policy.

　　宏观经济学的核心是整体经济活动，特别是政府的经济政策及其对国家经济的影响。宏观经济学的核心是就业、通货膨胀、经济增长，以及国家如何利用货币政策和财政政策来增加就业、减少通货膨胀和促进经济增长。

　　4.Scarce Resources 资源的稀缺性

　　Scarcity means that society has limited resources andcannot produce all the goods and provide all the services people wish to have.

　　Economics is the study of how society manages itsscarce resources.

　　资源的稀缺性是我们都理解的概念。人口增加和人们需求不断增加等因素导致人类现有资源永远无法满足社会上所有人的要求。合理利用现有资源，最大限度满足社会对资源的需求。学习经济学的目的就是要学会用合理手段解决资源的稀缺问题。

　　5.Opportunity Cost 机会成本

　　The opportunity cost of an item is what we give up toget that item.

　　For example, opportunity costoccurs when a student decides to attend full-time college because he must giveup the possible jobs. In another example, if a family uses its $100000 savingsto purchase an automobile，the family cannot usethis sum of money to buy other goods, then opportunity cost occurs.

　　机会成本是为了得到某种东西而必须放弃的东西。例如：我们上大学占用了时间、精力、经费而不能用于其他地方。这些时间、精力和经费都是可以以成本形式计算出来，我们上大学的支出就不能用这些时间去找一份工作，就不能把学费的支出花在别的地方。

　　6.Absolute Advantage 绝对优势

　　Absolute advantage means the comparison amongproducers of a good according to their productivity.

　　绝对优势是指生产者按照生产效率比较生产优势。

　　7.ComparativeAdvantage 相对优势

　　The producer who has the smaller opportunity cost ofproducing a good is said to have comparative advantage

　　相对优势指在比较生产优势时，一个生产者以低于另一生产者的机会成本生产一种物品的情况，也就是说我们要考虑生产者生产一样物品而放弃生产另外一种物品，哪个生产者放弃生产的另外一种物品数量少，哪个生产者就具有相对优势。

　　8. Marginal thinking 考虑边际的思维

　　Marginal changes are small, incremental adjustments toan existing plan of action. When we learn economy, we must learn to think themargin. If we want to arrange our time for learning, whether we should spend hourlearning? If we produce href="http://www.xiaoma.com/SAT/AP/20151109/javascript:void(0);" class="c_click">

　　 AP宏观经济5分必背词汇

　　 2016年AP经济学的学习内容

　　 AP经济学13个考试要点总结

课程类别	开课时间	课时
一对一vip班	循环开课、滚动开班、随到随学	随机