This paper’s objective is to use SKAT, the author’s Stages of Knowledge Ahead Theory of risk, to shed fresh light on the treatment and prevention of mental disorders. SKAT employs a broad definition of risk that allows for nice – not merely nasty – possibilities. SKAT is here shown to...

We analyze in an incomplete contracts model whether a supplier should be integrated if in addition to his investment level he chooses the intensity of specialization towards the buyer's needs. A basic trade-off arises: While non-integration leads to higher investment incentives, potential...

The paper offers a selective survey on the incomplete contracts approach to privatization. Furthermore, a simple model of privatization to an owner-manager is developed in which different allocations of ownership rights lead to different allocations of inside information about the firm which in...

This paper deals with a special hold-up problem in privatization.

Target-cost pricing has been a widely applied formula in defence contracting. If this type of pricing arrangement is chosen, the seller's ex-post profit consists of a fixed payment plus some share of the cost overrun, that is the difference between an ex--ante agreed estimation of the production...

This paper proposes a new explanation for the smile and skewness effects in implied volatilities. Starting from a microeconomic equilibrium approach, we develop a diffusion model for stock prices explicitly incorporating the technical demand induced by hedging strategies. This leads to a...

The basic model of financial economics is the Samuelson model of geometric Brownian motion because of the celebrated Black-Scholes formula for pricing the call option. The asset volatility is a linear function of the asset value and the model guarantees positive asset prices. We show that the...