In this paper we test the positive -assortative-mating (PAM) hypothesis that posits that marriages can be positively sorted along the couple's education using Argentinian data. Using a regression approach, we find that the effect of husband's education on wife's education is positive and significant. Then, we empirically verify if the observed matching distribution is super-modular, i.e., the local log odds ratios of education are all positive. We conclude that the data (weakly) supports

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... s positive assortative mating hypothesis in Argentina. The model that best describes marriage formation is more consistent with preference for own type rather than with PAM. Palabras clave: Matrimonio, emparejamiento selectivo, educación, logodds ratios. Clasificación JEL: J12, I21, D31.