This dissertation comprises four essays on the topic of derivatives pricing in incomplete markets, accompanied by an application of the proposed methods to so-called sandbox options. The first three essays take a theoretical perspective on the pricing of derivatives with embedded decisions and the associated aspect of dynamic hedging. Aiming to establish new methods for handling decisions embedded in derivative contracts that help to overcome the shortcomings of existing approaches, the first essay lays the foundation and derives a pricing principle for options with decisions, and the second essay extends this principle to the problem of realistic hedging and applies it to American options. The third essay addresses problems with many utili...