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Remittances, the diffusion of information and industrialisation in Africa

机译:汇款,信息传播和非洲工业化

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This study examines the role of information and communication technology (ICT) on remittances for industrialisation in a panel of 49 African countries for the period 1980-2014. The empirical evidence is based on three simultaneity-robust estimation techniques, namely: (ⅰ) Instrumental Fixed Effects (FE) in order to control for the unobserved heterogeneity; (ⅱ) Generalised Method of Moments (GMM) to account for persistence in industrialisation; and (ⅲ) Instrumental Quantile Regressions (QR) to control for initial levels of industrialisation. Our best estimators are from FE and QR estimations because the GMM regression outputs largely fail post-estimation diagnostic tests. The following findings are established: (ⅰ) There are positive marginal effects from the interaction between remittances and ICT in the FE regressions whereas there are negative marginal impacts from the interaction between remittances and ICT; (ⅱ) Interactions between remittances and mobile phone penetration are positive in the bottom and 90th quantile whereas the interaction between internet penetration and remittances is positive in the bottom and top quantiles of the industrialisation distribution. Overall, the role of ICT in remittances for industrialisation is much more apparent when existing levels of industrialisation are accounted for.
机译:这项研究在一个由49个非洲国家组成的小组中研究了1980年至2014年期间信息通信技术(ICT)在工业化汇款中的作用。经验证据基于三种同时鲁棒性估计技术,即:(ⅰ)工具固定效应(FE)以控制未观察到的异质性; (ⅱ)考虑工业化持续性的广义矩法(GMM); (ⅲ)仪器分位数回归(QR)以控制工业化的初始水平。我们最好的估计器来自FE和QR估计,因为GMM回归输出很大程度上无法通过估计后诊断测试。建立了以下发现:(ⅰ)在FE回归中,汇款和ICT之间的相互作用具有积极的边际效应,而汇款和ICT之间的相互作用则具有负的边际效应; (ⅱ)在工业化分布的最低和最高分位数中,汇款和手机普及率之间的相互作用为正,而在第90个分位数中则为正,而互联网渗透和汇款之间的相互作用则为正。总体而言,如果考虑到现有的工业化水平,ICT在工业化汇款中的作用就更加明显。

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