RT Journal Article T1 A Vintage Model of Trade in Secondhand Markets and the Lifetime of Durable Goods A1 Licandro, Omar A1 Puch, Luis A. A1 Rodríguez Sampayo, Antonio K1 economic obsolescence K1 heterogeneous consumers K1 optimal consumption K1 replacement K1 secondhand markets K1 vintage capital AB How is the replacement of durable goods affected by the existence of a secondhand market? To answer this question, a vintage model of durable goods replacement is specified where efficient trade in used goods arises by assuming the existence of two types of consumers differentiated by income. The resulting steady state optimal replacement decision and secondhand market price are characterized, stressing the influence of economic depreciation. Compared to autarky, the consideration of an efficient secondhand market between high and low income people modifies the age profile of prices, increasing and decreasing for durable goods owned by high and low income people, respectively. Moreover, at the age at which used durable goods are traded, not only ask and bid prices are equal but also their age derivatives. PB Taylor & Francis SN 0889-8480 YR 2008 FD 2008-11 LK https://hdl.handle.net/10347/37901 UL https://hdl.handle.net/10347/37901 LA eng NO LICANDRO, O., PUCH, L. A., & SAMPAYO, A. (2008). A Vintage Model of Trade in Secondhand Markets and the Lifetime of Durable Goods. Mathematical Population Studies, 15(4), 249–266. https://doi.org/10.1080/08898480802440828 NO We want to acknowledge financial support from the Spanish Ministry of Science and Education (SEJ2004-04579/ECON and SEJ2007-65552/ECON). Puch thanks Fundación Ramón Areces and Sampayo thanks Xunta de Galicia (PGIDIT06PXIB201142PR) for the financial support. DS Minerva RD 22 abr 2026