The field of computational finance is evolving ever faster. This book collects a number of novel contributions on the use of computational methods and techniques for modelling financial asset prices, returns, and volatility, and on the use of numerical methods for pricing, hedging, and risk...

Chapter 1 Preliminaries -- Chapter 2 Risk and Expected Utility -- Chapter 3 Market Pricing and Market E ciency -- Chapter 4 Modern Portfolio Theory -- Chapter 5 Asset Pricing -- Chapter 6 Introduction to Derivatives -- Chapter 7 Arbitrage and Model-free Pricing Methods- Chapter 8 Modelling,...

There has been a long debate about whether speculators are stabilizing or not. We consider a model where speculators have a stabilizing role in normal times, but may also provoke large risk panics. The very feature that makes arbitrageurs liquidity providers in normal times, namely their...

Suppose that a group of agents having divergent expectations can share risks efficiently. We examine how this group should behave collectively to manage these risks. We show that the beliefs of the representative agent is in general a function of the group.s wealth level, or equivalently, that...