原标题：研究发现读书多少与收入存在相关性
摘要：《经济学杂志》公布了一项读书多少与收入多少关系的调查报告： 年少时候读书多，以后的收入会多于均值。该调查对5000名年龄在60岁和96岁之间的欧洲男性阅读数量和收入高低进行了分析，结果发现，在青少年时代自愿阅读至少10本书的人，日后收入比同行业平均收入高出21%。
这里指的"自愿"阅读，就是除了上学必修课本和读物之外的书籍，至于是何种书籍并不重要。 10本书这一数量是关键，自愿阅读正好10本书的人，日后收入高于均值得可能性也大大增加。然而从第11本书开始，这一比例又呈反比增长趋势。
| Sample size | None or very few books (0 10) | One shelf (11 25 books) | One bookcase (26 100 books) | Two bookcases (101 200 books) | More than two bookcases (>200 books) | |
|---|---|---|---|---|---|---|
| Austria | 228 | 48.7 | 22.8 | 18.4 | 5.3 | 4.8 |
| Belgium | 669 | 55.0 | 19.3 | 17.1 | 4.9 | 3.7 |
| Czech Republic | 672 | 22.3 | 31.7 | 32.3 | 7.3 | 6.4 |
| Denmark | 747 | 23.6 | 21.6 | 29.4 | 11.2 | 14.2 |
| Germany | 516 | 34.7 | 26.4 | 23.8 | 7.2 | 7.9 |
| France | 773 | 46.2 | 21.2 | 19.5 | 5.7 | 7.4 |
| Italy | 734 | 77.3 | 12.3 | 7.2 | 1.6 | 1.6 |
| Netherlands | 829 | 34.5 | 25.9 | 26.5 | 6.2 | 6.9 |
| Sweden | 652 | 20.1 | 22.1 | 34.0 | 11.8 | 12.0 |
| Full sample | 5,820 | 39.9 | 22.4 | 23.4 | 6.9 | 7.4 |
| Sample size | Lived in rural area at age 10 | None or very few books (0 10) | One shelf (11 25 books) | One bookcase (26 100 books) | Two bookcases (101 200 books) | More than two bookcases (>200 books) | |
|---|---|---|---|---|---|---|---|
| |||||||
| Austria | 228 | 54.8 | 69.4 | 50.0 | 42.9 | 33.3 | 0.0 |
| Belgium | 669 | 47.7 | 52.4 | 49.6 | 37.7 | 27.3 | 40.0 |
| Czech Republic | 672 | 50.9 | 68.7 | 57.7 | 41.9 | 28.6 | 25.6 |
| Denmark | 747 | 42.3 | 57.4 | 43.5 | 40.9 | 35.7 | 23.6 |
| Germany | 516 | 46.5 | 62.0 | 50.7 | 35.8 | 29.7 | 12.2 |
| France | 773 | 36.0 | 46.8 | 35.4 | 18.5 | 31.8 | 19.3 |
| Italy | 734 | 57.8 | 63.5 | 44.4 | 32.1 | 33.3 | 25.0 |
| Netherlands | 829 | 30.5 | 35.7 | 32.1 | 29.1 | 17.6 | 15.8 |
| Sweden | 652 | 29.9 | 46.6 | 39.6 | 26.6 | 15.6 | 7.7 |
| Full sample | 5,820 | 42.8 | 54.8 | 44.2 | 33.3 | 26.8 | 18.6 |
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