Birth and death may be a better model than Brownian motion for many physical processes, which real options models will increasingly need to deal with. In this paper, we value a perpetual American call option, which gives the monopoly right to invest in a market in which the number of active...

This paper examines the foreign exchange (FX) hedging by firms listed on the Alternative Investment Market (AIM) in the UK to contribute to the empirical debate on the determinants of the FX hedging. Despite our selection criteria that all our firms have exposure to FX risk, we find that only...