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人民教育出版社2013年第5版《经济生活》教材,虽然在内容上做了较大调整,但创新不够,部分内容存在着理论与实际不符合的情况,不利于学生的学习。例如对“恩格尔系数”的介绍就缺乏创新,没有与时俱进。19世纪中期,德国统计学家和经济学家恩格尔对比利时不同收入的家庭消费情况进行了调查,研究了收入增加对消费需求支出结构的影响,提出了带有规律性的原理,命名为恩格尔定律。其主要内容是指一个家庭或个人收入越少,用于购买生存性食物的支出在家庭或个人收入中所占的比重就越大。对一个国家而言,一个国
People’s Education Press, 2013 edition of “Economic Life” teaching material, although made a major adjustment in the content, but not enough innovation, part of the theoretical and practical existence does not conform to the situation, is not conducive to student learning. For example, the introduction of the “Engel’s Coefficient” lacks innovation and does not advance with the times. In the mid-19th century, German statistician and economist Engel investigated the household consumption of different incomes in Belgium and studied the influence of the increase of income on the expenditure structure of consumer demand. The principle of regularity was put forward and named as Engel’s law . Its main content is that the less one family or individual earns, the greater the expenditure on household or personal income for spending on subsistence food. For a country, a country