Price caps help the poor afford necessities of life; price floors prop up the livelihoods of farmers.

价格上限帮助穷人购买生活必需品；最低价格支撑着农民的生计。

A price floor is a law that sets a minimum price in a specific market.

价格下限是在特定市场中设定最低价格的法则。

Well, look at corn with an equilibrium price of 4 dollars per bushel and a price floor at 7 dollars.

让我们以均衡价格是4美元的每蒲式耳玉米最低定价7美元为例。

To traders this looks a bit like a put option, a basic hedging tool that sets a price floor for investments.

对于交易员来说，这看起来有点像看跌期权，这是一种为投资设定价格下限的基本对冲工具。

Now one argument for a price floor on corn is that if farmers can't get a high enough price, they'll stop producing.

现在有一个关于玉米价格下限的争论是，如果农民得不到足够高的价格就会停止生产。

Assume the government set a price floor for a bushel of corn at 7 dollars when the actual equilibrium price is 4 dollars.

假设政府为实际均衡价格为4美元的一蒲式耳玉米最低定价7美元。

I don't mean to sound like The Man coming after you, but if this was telecom firms talking about getting together to discuss a price floor, I would say, " Oh, that sounds like collusion" .

DUBNER：我不想听起来像 The Man 在追赶你，但如果这是电信公司谈论聚在一起讨论价格下限，我会说，“哦，这听起来像是串通” 。