Browsing by Author "Odlyzko, Andrew"
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Item Equilibria of Prices and Investments in Two-sided Internet Content Delivery Market(2013-09-24) Luo, Pengkui; Zhang, Zhi-Li; Odlyzko, AndrewThe Internet content delivery market has been positioned for tremendous growth. To capture the essentials of pricing structures in this market, we develop an economic model incorporating prices with provider investments in the demand function, and obtain equilibrium prices and investments under both monopoly and competitive settings for transport providers. We also investigate network neutrality and price discrimination issues in this market.Item On Outbound Strategies and the Pareto Efficiency of Multipath Interdomain Routing(2013-09-24) Luo, Pengkui; Zhang, Zhi-Li; Odlyzko, AndrewTransit providers play a key roll in the formation and evolution of the Internet ecosystem. In this paper, we incorporate economical considerations into the study of the dynamics of the transit networks, under the premise of multipath interdomain routing. We model the dynamics as a result of individual profit optimization under capacity constraints, and prove the optimal outbound strategies for an individual transit provider. Furthermore, we formulate the global-scale strategies into a multi-objective optimization problem, from which a Pareto efficient solution that benefits the public good can be obtained.Item Too Expensive to Meter: The influence of transaction costs in transportation and communication(Royal Society, 2008) Levinson, David M; Odlyzko, AndrewTechnology appears to be making fine-scale charging (as in tolls on roads that depend on time of day or even on current and anticipated levels of congestion) increasingly feasible. And such charging appears to be increasingly desirable, as traffic on roads continues to grow, and costs and public opposition limit new construction. Similar incentives towards fine-scale charging also appear to be operating in communications and other areas, such as electricity usage. Standard economic theory supports such measures, and technology is being developed and deployed to implement them. But their spread is not very rapid, and prospects for the future are uncertain. This paper presents a collection of sketches, some from ancient history, some from current developments, that illustrate the costs that charging imposes. Some of those costs are explicit (in terms of the monetary costs to users, and the costs of implementing the charging mechanisms). Others are implicit, such as the time or the mental processing costs of users. These argue that the case for fine-scale charging is not unambiguous, and that in many cases may be inappropriate.