Asset Back Securitites ** Collateral & default

1 -Do not defualt but incurr losses if SPV collateral defaults - WHY??

2 -No default if interest payments not made – why?

3 - Default in Collateral does not result in default to SPV or a Bond tranche— why???

I’m going to try to answer my own questions

1 - SPV is seperate from the actual pool

2 - no default because is not an actual indenture agreeement

3 - maybe be overcollaterized?