Is inequality inevitable?

1,045,693 views ・ 2022-10-11

TED-Ed


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翻译人员: Yip Yan Yeung 校对人员: Grace Man
00:09
In South Africa, one of the most unequal countries in the world,
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南非,世界上贫富不均 最严重的国家之一,
00:13
the richest one-tenth of 1%, owns almost 30% of all the country’s wealth,
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最富有的 0.1% 的人 拥有整个国家约 30% 的财富,
00:19
more than double what the bottom 90% owns.
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比末位 90% 的人 拥有的多不止一倍。
00:24
Income and wealth inequality are not new.
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收入和财富不均 不是什么新鲜话题。
00:26
In fact, economists and historians who’ve charted economic inequality
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长久以来记录经济不均衡 问题的经济学家和历史学家
00:29
throughout history haven’t found a single society without it.
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从未发现过 不存在这个现象的社会。
00:33
Which raises a bleak question:
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这就让人想到一个悲观的问题:
00:35
is inequality inevitable?
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不平等是不可避免的吗?
00:38
One way to estimate inequality is with a number called the Gini index,
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衡量不平等程度的一种方式是 基尼系数(Gini index),
00:42
which is calculated by comparing the income or wealth distribution
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通过比较绝对平等社会的 收入或财富分布
00:45
of a perfectly equal society to the actual income or wealth distribution.
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与实际收入或财富分布计算得出。
00:51
The area of this shape multiplied by 2 is the Gini index.
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这块面积乘以二就可得出基尼系数。
00:55
A Gini of 1 indicates perfect inequality—
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基尼系数为 1 即为绝对不平等,
00:58
one person has everything and everyone else has nothing.
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一个人应有尽有, 其他人一无所有。
01:01
You’d never see this in real life
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现实生活中是不会 出现这样的情形的,
01:03
because everyone except that one person would starve.
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因为这就代表除了一个人, 所有人都得挨饿。
01:06
A Gini index of 0 indicates perfect equality—
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基尼系数为 0 即为完全平等,
01:09
everyone has exactly the same income or wealth.
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人人都拥有相同的收入或财富。
01:13
But you also never see this in real life, not even in communist countries,
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但是现实生活中也不会出现这样的 情况,连共产主义国家都不可能,
01:16
because for one thing, that would mean paying everyone—
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因为首先,这就意味着 为每个人——
01:19
no matter how young, old, what job they’re in or where they work—
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无论年龄、工作岗位、 工作地点,
01:22
the exact same wage.
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支付同样的薪水。
01:24
Typical after-tax Ginis in developed countries today are around 0.3,
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发达国家的税后基尼系数 通常为 0.3 左右,
01:28
though there’s a wide range from pretty equal to pretty unequal.
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虽然相对平等和相对不平等 之间有一定的范围。
01:32
Before we go any further, you should know what the Gini index—
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在我们更深入讨论之前, 你得知道基尼系数,
01:36
or any other measure of economic inequality— doesn’t tell us:
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和其他经济不平等的衡量标准 没有告诉我们什么:
01:40
it gives no information about how income and wealth are distributed
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它不会显示我们的收入和财富
01:43
across genders, races, educational backgrounds or other demographics;
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根据性别、人种、教育背景及其他 人口统计数据的分布,
01:48
it doesn’t tell us how easy or difficult it is to escape poverty.
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不会显示我们 脱离贫困的难易程度。
01:52
And it also gives no insight as to how a particular society
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也不能体现这个社会
01:56
arrived at its present level of inequality.
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达到现在这个不平等情况的历程。
01:59
Economic inequality is deeply entangled with other types of inequality:
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经济不平等与其他形式的 不平等息息相关,
02:03
for example, generations of discrimination, imperialism,
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如世世代代的歧视、帝国主义、
02:06
and colonialism
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殖民主义,
02:08
created deeply rooted power and class inequalities
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造成了深入骨髓的 权力和阶级不平等,
02:11
that persist to this day.
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直至今日。
02:13
But we still need at least a rough measure of who gets how much in a country.
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但是我们还是得有一个 对国民所得的粗略估计。
02:17
That’s what the Gini index gives us.
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这就是基尼系数的功能。
02:19
Some countries are, economically, much more unequal than others.
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有的国家在经济上 要比别的国家不平等得多。
02:23
And that’s because a significant portion of economic inequality
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这是由于经济不平等的 大部分原因来自于
02:27
is the result of choices that governments make.
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政府决策。
02:30
Let's talk about some of these choices.
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我们来谈谈几个决策的例子。
02:32
First: what kind of economy to use.
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第一:采用何种经济体制。
02:35
In the 20th century, some countries switched to socialism or communism
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20 世纪,一些国家由于各种原因 采用了社会主义或共产主义,
02:39
for a variety of reasons,
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02:41
including reducing economic inequality.
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比如减少贫富不均。
02:43
These changes did dramatically reduce economic inequality
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这些改革确实急剧减少了 贫富不均现象,
02:47
in the two largest non-capitalist economies,
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这发生在了两个最大的 非资本主义经济体——
02:50
China and the Soviet Union— especially in the Soviet Union.
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中国和苏联, 尤其是在苏联中。
02:54
But neither country prospered as much as the world's leading economies.
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但是这两个国家都没有 像世界领先经济体那样发达起来。
02:58
So yes, people earned about as much as their neighbors did,
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所以没错,人人都和邻居 赚得一样多,
03:00
but that wasn’t very much.
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但是赚了没多少。
03:02
This— and many other issues— contributed to the Soviet Union’s collapse in 1991.
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这和很多其他因素共同 导致了 1991 年的苏联解体。
03:08
And China, to grow more quickly, shifted its economy towards capitalism
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而中国,为了加速发展, 从上世纪 70 年代后期
03:11
starting in the late 1970s.
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开始逐渐向资本主义转型。
03:14
What about capitalist countries?
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资本主义国家又是什么情况?
03:16
Can they choose to reduce economic inequality?
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它们想解决经济不平等问题吗?
03:18
It’s tempting to think
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我们可能会这么想:
03:20
“no, because the whole point of capitalism is to hoard enough gold coins
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“不可能,因为资本主义的目的就是
03:24
to be able to dive into them like Scrooge McDuck.”
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囤一大堆金币,像麦克老鸭那样 在金币海里游泳。”
03:28
China seems to provide the textbook example of this:
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中国似乎证实了这个想法:
03:31
after it became more capitalist,
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逐步转型资本主义后,
03:32
its Gini index shot up from under 0.4 to over 0.55.
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中国的基尼系数从 低于 0.4 飙升至高于 0.55。
03:37
Meanwhile, its per capita yearly income
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与此同时,人均年收入
03:40
jumped from the rough equivalent of $1,500 to over $13,000.
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从折合约 1500 美元 升至超 13000 美元。
03:45
But there are many counter-examples:
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但是也有很多反例:
03:47
capitalist countries in which inequality is actually holding steady or decreasing.
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有资本主义国家的不平等系数 持平或降低。
03:52
France has kept its Gini index below 0.32 since 1979.
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法国从 1979 年起基尼系数 一直保持在 0.32 以下,
03:56
Ireland's Gini has been trending mostly downward since 1995.
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爱尔兰的基尼系数从 1995 年 持续走低。
04:00
The Netherlands and Denmark have kept theirs below 0.28 since the 1980s.
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荷兰和丹麦从上世纪 80 年代起 就一直保持在 0.28 以下。
04:05
How do they do it?
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它们是如何做到的?
04:07
One way is with taxes.
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一个方法是征税。
04:09
Personal income taxes in most countries are progressive:
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大部分国家的个人所得税 制度是梯度式的:
04:12
the more money you make, the higher your tax rate.
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赚得越多,税率越高。
04:14
And the more progressive your tax system, the more it reduces inequality.
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税制梯度越大就 越能减少不平等现象。
04:18
So, for example, while pre-tax income inequality in France
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所以,以法国为例, 虽然法国的税前收入不均情况
04:22
is roughly the same as it is in the US,
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和美国大致相同,
04:24
post-tax inequality in France is roughly 20% lower.
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法国的税后不均情况 要比美国低 20%。
04:29
Meanwhile, inheritance taxes can reduce the amount of wealth
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遗产税也可以减少
04:33
that a single family can amass over generations.
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一个家庭代代相传的财富。
04:36
Germany and many other European countries have inheritance or estate taxes
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德国和一些欧洲国家 设立了遗产税或继承税制度,
04:40
that kick in at a few thousand to a few hundred thousand Euros,
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税款大约在几千至几万欧元,
04:43
depending on who's inheriting.
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取决于继承人身份。
04:45
The US, on the other hand,
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而美国
04:47
lets you inherit $12 million without paying any federal tax.
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允许在不缴联邦税的情况下 继承 1200 万美元的遗产。
04:51
Another way is with transfers—
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还有一种方式是转移支付,
04:53
when the government takes tax revenues from one group of people
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意思是政府将 来自一部分人的税收
04:56
and gives it to another.
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补贴给另一部分人。
04:58
For example, Social Security programs tax people who work
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比如,社会保障计划 向就业人员征税,
05:02
and use the revenue to support retirees.
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将这笔税收补贴给退休人员。
05:04
In Italy, about a quarter of Italians’ disposable household income
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在意大利,四分之一的 意大利家庭可支配收入
05:08
comes from government transfers.
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来自政府发放。
05:10
That’s a lot, especially relative to the US,
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数目不小, 尤其是与美国相比,
05:13
where the figure is just over 5%.
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美国的比例只是略高于 5%。
05:15
A third way is to ensure that everyone has access to things
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第三个方式是对每个公民的保障,
05:18
like education and healthcare.
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如教育和医疗保障。
05:20
A highly educated, healthy workforce can command a higher salary on the market,
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一个高知健康劳力可以 在就业市场要求更高的工资,
05:25
thus reducing inequality.
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由此减少不平等现象。
05:27
The fourth way is addressing the digital divide:
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第四个方式是弥合数字鸿沟,
05:29
the gap between those who have access to the Internet and those who do not.
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即有无条件上网的 人群之间的差距。
05:34
A fifth way is dealing with extreme wealth.
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第五个方式是处理极端富裕情况。
05:37
Multibillionaires can buy social media platforms,
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亿万富翁可以买下社交平台、
05:41
news outlets, policy think-tanks, perhaps even politicians,
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新闻媒体、政策智囊团, 甚至是政客,
05:44
and bend them to their will,
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按照他们的意愿行事,
05:46
threatening the very fabric of democracy.
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威胁着民主的基本结构。
05:49
We are just barely scratching the surface of inequality here.
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我们其实还只是在“隔靴搔痒”。
05:53
We haven’t touched on the drastic divides in who has wealth and who doesn’t;
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我们都没触及 贫富群体之间的鸿沟、
05:57
the power structures that prevent social and economic mobility;
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阻碍社会和经济流动的权力结构
06:00
and the drastic inequality between countries—
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和国与国之间的不平等差距,
06:03
the fact that, for example,
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就这点而言,举个例子,
06:05
just three Americans have 90 billion more dollars than Egypt,
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有三个美国人的财产比埃及——
06:10
a country of 100 million people.
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人口一亿的国家 还多 900 亿美元财产。
06:13
And here’s one final thing to think about: power and wealth are self-reinforcing,
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最后有一点值得我们思考: 权力和财富会自我增强,
06:18
which means that equality is not.
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代表平等并不会。
06:20
Left to their own devices, societies tend toward inequality—
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如果就这么自主运行下去, 社会会日趋不平等,
06:25
unless we weaken the feedback loops of wealth and power concentration.
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除非我们可以削弱 财富和权力集中的闭环。

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