Two Essays on the Distribution of Information Technology Infrastructure in the United States
Lizardo, Mercedes Magdalena
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https://hdl.handle.net/2142/85624
Description
Title
Two Essays on the Distribution of Information Technology Infrastructure in the United States
Author(s)
Lizardo, Mercedes Magdalena
Issue Date
1997
Doctoral Committee Chair(s)
Shane Greenstein
Department of Study
Economics
Discipline
Economics
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Mass Communications
Language
eng
Abstract
This dissertation studies the evolution of the geographic distribution of advanced backbone information technology in computing and telecommunications. In the first chapter, we present evidence suggesting that the stock of advanced information technology capital, and the access to it, became more equally distributed across the U.S. between the mid 1980s and early 1990s. In the second chapter, we formulate a model which describes the relationship between the two basic components of the national information technology infrastructure--modern telecommunications infrastructure and computing capacity--, and we derive necessary conditions for the existence of strategic complementarity between them. We then perform statistical tests which do not reject the hypothesis of the existence of necessary conditions for the investment in modern telecommunications infrastructure to increase the marginal return of more investment in computing capacity in a region. In turn, the effect of more investment in computing capacity on the marginal return of investment in modern telecommunications infrastructure depends on the type of computing platform where this computing capacity is used.
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