[Grammar] Fewer passengers means fewer planes means less room for air freight.

[tianhang]

Hi, my dear teachers. First of all, I hope everything goes well with you!
The other day, I read the following sentence in an article. I can understand what it means, but I can't figure out the sentence structure. And here is how the sentence goes:
Fewer passengers means fewer planes means less room for air freight.
Is this sentence grammatically right? Can a sentence have two predicates without a conjunction? Can we use a sentence as subject?
Any help is appreciated here. Thank you!
Wish you all the best!

 

[GoesStation]

The wording is a bit casual. It's a shorter version of Fewer passengers means fewer planes, which means less room for air freight.

 

[tianhang]

The wording is a bit casual. It's a shorter version of Fewer passengers means fewer planes, which means less room for air freight.

Thanks a lot! The way you put it is actually how I want to say it. It is a sentence in an article from The Economist and so I wonder whether it is a common way to use a sentence as subject or it is just casual.

 

[Rover_KE]

It's both common and casual.

 

[GoesStation]

It is a sentence in an article from The Economist and so I wonder whether it is a common way to use a sentence as subject or it is just casual.

The editors of The Economist put a lot of effort into keeping their prose short, brisk, and simple (to the extent the complex topics they cover permit). The sentence you found is a good example.