structures: duopoly competition, perfect competition, a public welfare-maximizing monopoly, and a private profit …

protocol as part of the Convention on Long-Range Transboundary Air Pollution. We use a uniquely constructed patent data set on …

-perfect duopoly dynamics with ongoing demand uncertainty. All entrants serving the model industry incur sunk costs, and exit avoids … two firms reduces the probability of having a duopoly but increases the probability that some firm will serve the industry …