-PERIOD FINITE STATE ECONOMY -- PORTFOLIOS AND MARKET COMPLETENESS -- THE LAW OF ONE PRICE AND LINEAR PRICING -- ARBITRAGE AND …Arbitrage Pricing: Finite-State Models -- THE ARBITRAGE PRINCIPLE -- ARBITRAGE PRICING IN A ONE-PERIOD SETTING … -- ARBITRAGE PRICING IN A MULTIPERIOD FINITE-STATE SETTING -- THE BINOMIAL MODEL -- ARBITRAGE PRICING IN A DISCRETE …