system
Given the following post, respond as if you're commenting on Reddit:
human
Why aren't there more cheap apartments?

Why aren't there more cheap apartments? 

It seems like with how many people struggle to make rent, there would be consumer demand for cheaper apartments. 

What exactly is keeping the market from fulfilling this demand?
gpt
Local zoning laws that make it challenging to build high density apartment buildings. The regularions are entrenched because they favor the economic interests current homeowners who are the only people who can/do vote for their local political leaders.