The two concepts are linked as follows: where market prices do not allow for profitable arbitrage, i.
Rational pricing is the assumption that asset prices and hence asset pricing models will reflect the arbitrage-free price of the asset, as any deviation from this price will be "arbitraged away". Although the presentation is fully rigorous, with some rare and clearly marked exceptions, the book restricts itself to the use of only elementary mathematical concepts and techniques.
Our goal is to present the highlights in the field, with the emphasis on the financial and economic content of the models, concepts and results.
The final prices may differ from the prices shown due to specifics of VAT rules About this Textbook This textbook is an elementary introduction to the key topics in mathematical finance and financial economics - two realms of ideas that substantially overlap but are often treated separately from each other.
Indispensable either to professionals or to curious people, whether practical or academics, whether graduate or post-graduate students. Ferreira, Acta Scientiae et Intellectus, Vol. Intuitively, this may be seen by considering that where an arbitrage opportunity does exist, then prices can be expected to change, and are therefore not in equilibrium.