Equilibrium and Media of Exchange in a Convex Trading Post Economy With Transaction Costs
General equilibrium is investigated with N commodities traded at N(N-1)/2 commodity-pairwise trading posts. Trade is a resource-using activity recovering transactions costs through the spread between bid (wholesale) and ask (retail)prices (quoted as commodity rates of exchange). Budget constraints are enforced at each trading post separately implying demand for a carrier of value between trading posts, commodity money. Existence of general equilibrium is established under conventional convexity and continuity conditions while structuring the price space to account for distinct bid and ask prices. Trade in media of exchange (commodity money) is the difference between gross and net inter-post trades.
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- Hahn, F H, 1971. "Equilibrium with Transaction Costs," Econometrica, Econometric Society, vol. 39(3), pages 417-39, May.
- Kiyotaki, Nobuhiro & Wright, Randall, 1989. "On Money as a Medium of Exchange," Journal of Political Economy, University of Chicago Press, vol. 97(4), pages 927-54, August.
- Dror Goldberg, 2009.
"The Tax-Foundation Theory of Fiat Money,"
2009-5, Bar-Ilan University, Department of Economics.
- Foley, Duncan K., 1970. "Economic equilibrium with costly marketing," Journal of Economic Theory, Elsevier, vol. 2(3), pages 276-291, September.
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