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Immigration and Wages: A Meta-Analysis
Nepivoda, Lukáš ; Havránek, Tomáš (advisor) ; Pertold-Gebicka, Barbara (referee)
Increasing number of international migrants in last decades attracts the attention of researchers who attempt to estimate the effect of immigration on the wages of native workers. Despite the extensive body of empirical literature, there is no consensus about the true effect. We employ modern techniques in the meta-analysis to address this question. Using original dataset consisting of 644 estimates from 20 primary studies which reflects the last 30 years of the research on the topic in hand we inspect the literature for the presence of publication bias and explain the heterogeneity in the estimates of primary studies. Although, there is some uncertainty about our results, findings from linear and non-linear tests for publication bias suggests the overall effect close to zero or slightly positive. Moreover, we find an evidence that immigration causes distributional effects which contribute to wealth inequality.