We argue that single-equation dynamic demand models applied to estimating gasoline demand should capture the slow evolution of unobservable habits that in part determine vehicle and gasoline usage. Inclusion of unobservable habits implies that single-equation models should include moving-average terms. Ordinary least squares estimation is thus inappropriate. Using examples from Australia and the US, it is shown that estimates of long-run price and income elasticities become much less precise. (C) 2011 Elsevier Ltd. All rights reserved.
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Univ Norte Barranquilla UN, Dept Matemat & Estadist, Km 5 via Puerto Colombia, Atlantico, ColombiaUniv Fed Minas Gerais UFMG, Dept Fis, Inst Ciencias Exatas ICEX, Belo Horizonte, MG, Brazil
Rubio, Lihki
Velasquez, Carlos E.
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Univ Fed Minas Gerais UFMG, Dept Engn Nucl Escola Engn, Ave Antonio Carlos 6627,Campus Pampulha, BR-31270901 Belo Horizonte, MG, BrazilUniv Fed Minas Gerais UFMG, Dept Fis, Inst Ciencias Exatas ICEX, Belo Horizonte, MG, Brazil
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Univ Nacl Autonoma Mexico, Posgrad Ingn UNAM, UNAM, Ciudad Univ 3000, Mexico City 04510, MexicoUniv Nacl Autonoma Mexico, Posgrad Ingn UNAM, UNAM, Ciudad Univ 3000, Mexico City 04510, Mexico
Marquez, Erick
Romo, Miguel
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Inst Ingn UNAM, Coordinac Geotecnia, Ingn S-N, Mexico City 04510, MexicoUniv Nacl Autonoma Mexico, Posgrad Ingn UNAM, UNAM, Ciudad Univ 3000, Mexico City 04510, Mexico
Romo, Miguel
Hermosillo, Armando
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Univ Nacl Autonoma Mexico, Fac Ingn UNAM, UNAM, Circuito interior 3000,Ingn S-N, Mexico City 04510, MexicoUniv Nacl Autonoma Mexico, Posgrad Ingn UNAM, UNAM, Ciudad Univ 3000, Mexico City 04510, Mexico
Hermosillo, Armando
Brambila, Fernando
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Univ Nacl Autonoma Mexico, Fac Ciencias UNAM, FC UNAM, Circuito interior S-N, Mexico City 04510, MexicoUniv Nacl Autonoma Mexico, Posgrad Ingn UNAM, UNAM, Ciudad Univ 3000, Mexico City 04510, Mexico
Brambila, Fernando
Magana, Roberto
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Inst Ingn UNAM, Coordinac Geotecnia, Ingn S-N, Mexico City 04510, MexicoUniv Nacl Autonoma Mexico, Posgrad Ingn UNAM, UNAM, Ciudad Univ 3000, Mexico City 04510, Mexico