This thesis consists of three essays that study issues arising in vertical markets with consumer search. The first essay analyses wholesale price discrimination, the second essay examines vertical bargaining and obfuscation and the third essay evaluates the effect of regulated recommended retail...

Martingales and optimal stopping -- Derivatives in general and binomial markets -- Fundamental theorems of asset pricing -- Superhedging -- Hedging with risk -- Martingales in continuous time and optimal stopping -- Introduction to stochastic analysis -- Derivatives in the Black-Scholes market...