In this paper, we study optimal public good provision with congestion and user fees to exclude some agents under lump-sum tax/transfer, constrained by the condition of reduction of envy. We adopt the λ envy-free constraint proposed by Diamantaras and Thomson(1990), and employ the exclusion...

This paper provides a non-renewable resource extraction model with both technological change and resource exploration. Especially, we consider two types of technology, extraction technology and exploration technology. We show how these technologies affect efficient non-renewable resource...