This article models a North--South negotiation where the North provides a <italic>quid pro quo</italic> in exchange for the strengthening of the enforcement of intellectual property rights (IPR) protection in the South. We show that when Northern and Southern firms compete on quantity in the Southern market, the...

We aim to construct the optimal solutions to the undiscounted continuous-time infinite horizon optimization problems, the objective functionals of which may be unbounded. We identify the condition under which the limit of the solutions to the finite horizon problems is optimal for the infinite...