Regulation can also create positive externalities.

监管也可以产生正部性。

Market-based approaches to reduce negative externalities are also used to fight climate change.

减少负部性以市场为基础方法也被用于应对气候变化。

In fact, externalities are the justification for almost everything the government does.

事实上，部性几乎是政府所有行动正当理由。

We need to consider how healthy bodies are based on what's going on inside, rather than focusing on externalities.

我们需要考虑健康决于内在情况，而不应聚焦在部。

Another way that governments try to solve externalities is with market-based policies.

政府试图解决部性种方式是基于市场政策。

When the government tries to fix externalities they can use regulatory policies or market-based policies.

当政府试图解决部性问题时，他们可以使用监管或基于市场政策。

As for positive externalities. Think about education. More education is great for you.

至于正部性，以教育为例吧。更多教育对你来说是件好事。

When other people are made better off that is called a positive externality.

当别人变得更好时，它被称为正部性。

Externalities are situations when there's an external costs or external benefits that accrue to other people or society as a whole.

部性是指部成本或部利益对其他人或整个社会产生影响情况。

There is no better example of this than what economists call externalities.

经济学家所说部性就是最好例子。

We've tried to explain the problem of externalities, now let's talk about the solutions.

我们试着解释了部性问题，现在我们来谈谈它解决方法。

When other people are made worse off that's called a negative externality.

当别人变得更糟时，它被称为负部性。

The tax drives up the price, consumers buy fewer cigarettes, and this addresses the negative externality.

税收提高了香烟价格，消费者购买香烟减少了，这就解决了负部性问题。

These offer key opportunities to reframe body ideals that engage vitality from within, such as metabolic health, rather than focus solely on externalities or ideal representations.

它们给予我们重塑理想化机会，从内在关注生命活力，例如代谢健康，而不只是聚焦在部或理想表现方式。

Yet those last two proposals leave unanswered the question of what rate utilities should pay customers for their power—or more broadly, what the price of solar, with all externalities factored in, ought to be.

然而后面两个提议依然没有解决公共电力公司应该按照什么样比例购买消费者家多余电问题，或者更明确说，考虑到所有部因素，太阳能电价格应该怎样确定。