[ottodidakt]

I hear that this financing model allows the PE firm to limit downside (to what they put down) while allowing for unlimited upside (since the equity is theirs). What's in it for the banks that finance most of it? Just the interest on unsecured loans? Aren't these interest rates typically worse than those on retail (house, credit-card, education) loans?

[charlesdm]

Debt exists in certain tranches, i.e. there will be low interest secured debt, and higher interest unsecured debt. Banks tend to only lend secured debt against assets and/or cashflow. Unsecured debt is often offered by hedge funds (i.e. 6-8-10% instead of 2-4-5%) and is paid down first.

Why do banks love PE deals? Easy: they make a ton of money off of these deals, with moderate risk. If the business goes under, they are first in line to be compensated. If they make 4% on a $500m loan, that's $20m a year.