Mayor: Our city faces a difficult environmental problem caused by the enormous amount of garbage that we must dispose...

John on September 27, 2020

Why is the answer B?

I am not sure why the answer is B. Could someone please explain? Thank you!

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shunhe on October 2, 2020

Hi @John,

Thanks for the question! So we’re told here by a mayor that the city faces a difficult environmental problem caused by a bunch of garbage. Recycling could reduce it, but that’d actually be counterproductive to minimizing the overall amount of environmental damage.

Now we’re asked to resolve this inconsistency; this is a resolve the paradox question. And you can see the paradox: normally, we’d think recycling would be good for getting rid of garbage and good for the environment. But here, it’s not for some reason, and we need something to explain why.

Now take a look at (B), which tells us that the great costs of new recycling projects would prevent other pollution-reducing projects from being undertaken. So this is a question of financial efficiency. Sure, we could spend a bunch of money on this recycling project, and it might make the environmental damage go down. But if we want to minimize it, if we want to be the most efficient? We should take all that money and fund a bunch of other pollution-reducing projects, which will have more impact than just the recycling projects. That’s why (B) is correct, it’s a question of opportunity cost if you know some econ.

Hope this helps! Feel free to ask any other questions that you might have.

John on October 22, 2020

Ok thank you for this explanation!

mitchellgray on September 9 at 05:08AM

Hi,

I see why B is maybe a better option than the others, but doesn't it require an assumption that the other pollution projects that don't get funded are even needed OR more efficient? It feels like a jump to make that conclusion. why is that not the case?

Emil-Kunkin on September 12 at 01:45AM

A right answer for a paradox (like a strengthen or weaken question) does not need to completely guarantee every element, it just needs to offer a plausible explanation for the seemingly counterintuitive thing. B easily does this, even if it doesn't completely guarantee the mayor is correct.