Cornes, Richard; Hartley, Roger; Sandler, Todd - In: Journal of Public Economic Theory 1 (1999) 4, pp. 499-509
This paper presents a proof for existence and uniqueness of a Nash equilibrium of a public good model that exploits a simple contraction mapping. The proof establishes both existence and uniqueness in a single exercise that provides intuition about sufficiency. The method of proof is applied not...