Forthcoming in Communications in Statistics Working Paper Version Authors: Tae-Hwan Kim and Christophe Muller Abstract: In this paper, we propose a new variance reduction method for quantile regressions with endogeneity problems, for alpha-mixing or m-dependent covariates and error terms. First, we derive the asymptotic distribution of two-stage quantile estimators based on the fitted-value approach under very general
read moreUpdated version 27th May 2018 Authors : Christophe Muller and Pierre Pecher This study investigates the consequences of cross-border ethnic linkages affecting local income in Africa. We show that kinship connections to transborder ethnic clans affect the allocation of public good spending, measured by luminosity in an ethnic group’s homeland, controlling for many other factors. We
read moreAuthors : Christophe Muller and Marina Dodlova. Abstract : Poor countries remain poor. This paper explores one reason of such a vicious cycle as state capacity. The previous literature presents many theories on state building and development policy. However, little rigorous empirical analysis has been conducted. We put forward our understanding of state fragility through a comprehensive
read moreAuthors : Marina Dodlova, Anna Giolbas, and Jann Lay. This paper examines the implications of political factors for social policy choices. Specifically, we explore the link between regime type and adoption of unconditional transfers versus transfers conditioned on beneficiaries’ investments in human capital. Due to the direct nature of benefits, unconditional transfers are more likely to be used to
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