Growth in this model is driven by technological change that arises from intentional investment decisions made by profit-maximizing agents. The distinguishing feature of the technology as an input is that it is not a conventional good or a public good; it is a nonrival, partially excludable good....

In a world with two similar, developed economies, economic integration can cause a permanent increase in the worldwide rate of growth. Starting from a position of isolation, closer integration can be achieved by increasing trade in goods or by increasing flows of ideas. The authors consider two...

The market for ski runs or amusement rides often features admission tickets with no explicit price per ride. Therefore, the equilibrium i nvolves queues, which are systematically longer during peak periods s uch as weekends. Moreover, the prices of admission tickets are much l ess responsive...