How do you go about getting a landlord to enforce a lease agreement? As long as the landlord is getting paid on time and the place isn't destroyed, he probably doesn't care. This seems like a textbook example of an externality that's only solvable by regulation, or by more strictly enforcing any city laws that require landlords to forbid short term sublets.
>How do you go about getting a landlord to enforce a lease agreement?
Uh, ask them? If they refuse, just threatening them with a court case will probably do the job. They are legally obligated to uphold their end of your lease agreement.
>This seems like a textbook example of an externality that's only solvable by regulation
Again, why? It's covered under existing laws. If that doesn't do it, why do you think more laws will?
> Uh, ask them? If they refuse, just threatening them with a court case will probably do the job. They are legally obligated to uphold their end of your lease agreement.
That is not correct.
Let L = the landlord,
R = the tenant who is renting out his apartment,
T = the tenant who is being annoyed by the
problems R's sub-renters are causing
You are proposing that T sue L for not enforcing a term in R's lease against R. R does not wish to have this term enforced.
The lease agreement being violated (at least as far as the term that prohibits sub-renting the apartment goes) is the one between L and R, not the one between L and T. T would not have standing to sue since T is not a party to the contract between L and R.