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It is estimated that 40.3 million individuals are victims of modern slavery, including those exploited in projects. In project studies, there are growing research streams on topics, such as ethics, sustainability and fairness, yet modern slavery is vastly ignored. This article presents a systematic literature review on modern slavery. After summarizing the main forms and consequences of modern slavery, it focuses on construction projects explaining the structural conditions making construction projects prone to modern slavery, the kafala system, and what can be done to address modern slavery. Lastly, the article introduces propositions, a research agenda, and implications for practice.
Alzoubi et al. (Sun,) studied this question.