LEADER 00000nam  2200337   4500 
001    AAI3232928 
005    20070430072446.5 
008    070430s2007                        eng d 
020    9780542869440 
035    (UnM)AAI3232928 
040    UnM|cUnM 
100 1  Vicentini, Gustavo Jose 
245 10 Dynamic spatial competition between multi-product 
       oligopolists 
300    118 p 
500    Source: Dissertation Abstracts International, Volume: 67-
       09, Section: A, page: 3512 
500    Adviser: Victor Aguirregabiria 
502    Thesis (Ph.D.)--Boston University, 2007 
520    The dissertation provides a detailed study of the location
       strategy pursued by economic agents in space. The first 
       chapter, "Spatial Pre-Emption by Chain Retailers: An 
       Empirical Investigation," presents an empirical study of 
       the location strategy pursued by multi-store retailers in 
       an urban setting. Data were collected for the 1960-2002 
       period, on the location of chain supermarkets in the city 
       of Greensboro, NC, and were merged with demographic 
       variables from the Census Bureau. We estimate a discrete 
       choice model where firms choose how many stores to open, 
       their location; and which active stores to exit. We first 
       investigate whether a retailer clusters its stores in 
       space. We find that firms located new stores within 
       proximity to their existing stores for most of the 1960-
       2002 period. Therefore, we empirically distinguish whether
       this is an attempt to crowd out the market from the 
       competition (spatial pre-emption) or if cost 
       considerations (spatial scope economies) were the reason. 
       Spatial scope economies were relevant in the 1960-1980 
       period, but since then have lost importance. This 
       indicates that pre-emptive behavior has increased in 
       importance since 1980. We also test the model for 
       robustness with respect to different geographic 
       definitions of markets, and find that competition was more
       localized in the earlier half of the data. The second 
       chapter, "Dynamic Spatial Competition Between Multi-Store 
       Firms," proposes a dynamic model of an oligopoly industry 
       characterized by spatial competition between multi-store 
       firms. Firms compete in prices and decide where to open or
       close stores depending on demand conditions and the number
       of competitors at different locations. The contribution of
       the paper is three-fold: first, we provide a dynamic 
       framework to study such oligopoly industries; second, we 
       provide an algorithm to compute the Markov Perfect 
       Equilibria (MPE) of the model; third, we illustrate the 
       model with numerical experiments that analyze the 
       propensity of multi-store retailers to use spatial 
       preemptive behavior. We find that spatial preemptive 
       behavior depends on the level of sunk costs and of 
       consumer transportation costs 
520    The third chapter, "Public Education Provision and the 
       Median Ideal Policy: Evidence from School Quality in 
       Brazil," is based on spatial models of political 
       competition, where political candidates choose their 
       running platforms in the issue space. We study how the 
       provision of public education quality is determined within
       a politically competitive framework. In particular, we 
       investigate the validity of the median ideal policy 
       theorem by analyzing how public education quality is 
       influenced by the distribution of income in society. Using
       data from Brazil we analyze the relation between public 
       education policies implemented by elected politicians and 
       the local distribution of income. We then test whether 
       these relationships are consistent with the median ideal 
       policy of the local citizenry by estimating the 
       sensitivity of public education policy to different 
       percentiles of the distribution of income 
590    School code: 0017 
590    DDC 
650  4 Economics, General 
650  4 Economics, Commerce-Business 
690    0501 
690    0505 
710 20 Boston University 
773 0  |tDissertation Abstracts International|g67-09A 
856 40 |uhttp://pqdd.sinica.edu.tw/twdaoapp/servlet/
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