This paper replicates two spatial monopoly models by Takayama and Judge. The first one is a simple spatial monopoly model. The second model allows the activity of arbitrage between any pains of consumption regions if the price differential exceeds the corresponding unit transportation cost. With...

As is well known in the bilateral monopoly model, the solution regarding the price of the intermediate product cannot be determined uniquely. In this note, the author proposes a new solution that has narrower solution bound than that suggested by J. M. Henderson and R. E. Quandt (1971)....