Economics help: what's the difference between a public good and a merit good?

Question

they're both good for society, but is there a distinction?

Answer 1

http://www.spc.uchicago.edu/prc/pdfs/Mul...

this is interesting reading between public and good merit good economy!  Is that what you are wanting?

Answer 2

Public good benefits all

Merit good benefits some but not all.