Examinando por Autor "Isaza Cadavid, Juan Esteban"

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    Ítem
    Asset Pricing using a Network Approach
    (Universidad EAFIT, 2019) Isaza Cadavid, Juan Esteban; Restrepo Tobón, Diego Alexander; Pulido Tamayo, Sergio
    This paper approaches the U.S. stock market as a network and explains stocks’ returns by taking into account community formation among securities and its centrality inside the network. This approach differs from the ones previously reported in that it analyzes complex systems of connected assets and considers characteristics generally ignored in financial markets.
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    Ítem
    Seriously, less taxes? Tax reform's effects over labor supply
    (Universidad EAFIT, 2015) Isaza Cadavid, Juan Esteban; Salazar Duque, Juan Guillermo; Canavire Bacarreza, Gustavo Javier
    Using a matching and a difference in differences approach we analyzed the impact of a payroll costs reduction implemented through a tax reform in Colombia on worked hours and hourly income -- Existing studies have found mixed results, while increases in wages are commonly found, the results for employment and worked hours effects are a source of debate with no consensus on sight -- However, in line with earlier revisions of literature, we concluded that the effect of payroll costs reductions is positive and significant on both, worked hours and income -- In this paper, using socioeconomic data from Colombia we found that those individuals a effected by a payroll cost reduction between 2012-2014 exhibited significant increases in both hours and income compared to similar individuals una effected by this framework