This paper presents a model where agents decide on the timing of replacement of ageing machines. The optimal replacement policy for an agent is influenced by other agents’ decisions because the productivity of a particular vintage displays network externalities that set in with a lag. In equilibrium, agents follow innovation cycles with a frequency that is lower than optimal, so there is too mu...

In a hotel at Plaza de la Independencia, the big square between downtown and the historical city (Ciudad Vieja) of Montevideo, the 20th Latin American Congress of Microbiology (ALAM) took place on 27–30 September 2010 [www.alam2010.org.uy]. ALAM 2010 brought together some 1000 microbiologists from 19 countries, including 12 Latin American countries (Argentina, Bolivia, Brazil, Colombia, Cuba, C...

Motivation Linkage disequilibrium (LD) block construction is required for research in population genetics and genetic epidemiology, including specification of sets of single nucleotide polymorphisms (SNPs) for analysis of multi-SNP based association and identification of haplotype blocks in high density sequencing data. Existing methods based on a narrow sense definition do not allow intermedia...

This paper studies the e¤ect of foreign lobbies on trade policy of a country which is a member of a Free Trade Agreement (FTA). It uses a monopolistically competitive political economy model in which the government determines external tari¤s endogenously. The e¤ect of foreign lobbying under the FTA is examined empirically using Canadian industry-level trade data that allow di¤erentiating of lob...

O ensino da História afirma-se, hoje, como um importante contributo para a formação integral das mais jovens gerações, facilitador de uma consciente compreensão realidades sociais e culturais contemporâneas, potenciador competências várias interpretação dos assuntos históricos e, por conseguinte, participação democrática esclarecida. Por sua vez, educação literária pode, se assim for entendido,...