Vazifedan, Mehdi; Zhu, Qiji Jim - In: Risks : open access journal 8 (2020) 2/66, pp. 1-34
In a one price economy, the Fundamental Theorem of Asset Pricing (FTAP) establishes that no-arbitrage is equivalent to the existence of an equivalent martingale measure. Such an equivalent measure can be derived as the normal unit vector of the hyperplane that separates the attainable gain...
