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Master's Dissertation
DOI
10.11606/D.12.2008.tde-13012009-165431
Document
Author
Full name
Luciana Teagno Lopes
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2008
Supervisor
Committee
Nakane, Marcio Issao (President)
Azevedo, Solange Nunes de Gouvêa Lacerda
Picchetti, Paulo
Title in Portuguese
A rigidez nominal de preços na cidade de São Paulo: evidências baseadas em microdados do índice de preços ao consumidor da FIPE
Keywords in Portuguese
Economia
Índice de preços ao consumidor
Macroeconomia
Abstract in Portuguese
Esta pesquisa investiga o comportamento de determinação de preços na cidade de São Paulo. São analisadas mais de seis milhões de cotações do índice de preços ao consumidor da FIPE. Os principais resultados são: (i) a freqüência média de mudança dos preços é de 32,35% ao mês; (ii) os preços duram em média 2,56 meses; (iii) há grande heterogeneidade entre produtos quanto ao comportamento de mudança dos preços; (iv) 40% das mudanças de preço são para baixo; (v) as mudanças de preço possuem magnitude considerável; (vi) a freqüência de mudança dos preços exibe padrões sazonais em alguns grupos; (vii) a freqüência de mudança dos preços respondeu às incertezas eleitorais de 2002 em alguns grupos; (viii) as funções de risco comum são decrescentes e apresentam picos na duração correspondente a doze meses para alguns subgrupos, e (ix) o risco de mudança dos preços responde ao índice inflacionário para aproximadamente 70% dos subgrupos.
Title in English
The rigidity of nominal prices in the city of São Paulo: evidence based on microdata of the price index to FIPE's consumer
Keywords in English
Economy
Macroeconomics
The price index consumer
Abstract in English
This research investigates the price-setting behavior in São Paulo city. We analyze more than six millions of consumer price index quotes produced by FIPE. The main results are: (i) the average frequency of price change is 32,35% per month; (ii) the prices remain unchanged on average for 2,56 months; (iii) there is a large degree of product heterogeneity related to the behavior of price change; (iv) 40% of price changes are price decreases; (v) the magnitude of price changes is large; (vi) the frequency of price change exhibits seasonal patterns for some groups; (vii) for some groups the frequency of price change was affected by 2002 elections; (viii) the baseline hazard functions are downward-sloping with 12 month spikes for some subgroups, and (ix) the hazard of price change responds to inflation for almost 70% of the subgroups.
 
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rigidez_de_precos.pdf (834.29 Kbytes)
Publishing Date
2009-01-14
 
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