Aim: In this paper, it is argued that in complex financial systems private goods, important for the creation of a market, have to be considered in a multiple of differing property rights structures necessary for the functioning of the system. This may lead to high transaction costs and adverse...

We develop a two-region model where the decentralized provision of spillover goods can be financed by means of taxes or user fees. In order to enforce the fees regions have to invest in exclusion. We show that a decentralized solution tends to be inefficient. There will be over-investment in...

We design the profit-maximizing mechanism to sell an excludable and nonrival good with network effects. Buyers have heterogeneous private values that depend on how many others also consume the good. In optimum, an endogenous number of the highest types shares consumption, and we provide an...