This paper investigates the choice of an intellectual protection regime for a process innovation. We set up a multi-stage model in which choosing between patent and trade secrecy is affected by three parameters : the patent strength defined as the probability that the right is upheld by the...

The paper investigates competition in price schedules among vertically differentiated producers. First order price discrimination leading to personalized prices is the perfect equilibrium of the two-stage game where firms choose at the first stage to commit or not to a uniform price and compete...