We provide, for the first time, comparative evidence of the impact of various types of extreme events – natural disasters, terrorism, and violent conflicts – on the perceptions of entrepreneurs concerning some key entrepreneurial issues – such as fear of failure in starting a business...

The outcome of technological competition between firms (or countries) depends on the resolution of two forces: the profit incentive and the competitive threat. This is illustrated using a simple duopoly model. This model is then used to analyze two policy issues: subsidizing R & D and...