Key Highlights
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Migrants significantly reduce the costs of international trade and boost the buying power of local economies. If the U.S. reduced its migrant population back to 1980s levels, it would raise the cost of imports by 7% and lower the real wages of U.S.-born workers by over 2%.
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A simple, decades-old method for predicting stock market volatility (the EWMA model) holds its own against much more complex modern techniques. For investors making daily or weekly decisions, this straightforward model often leads to better portfolio performance, even after accounting for trading costs.
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Poverty directly affects the quality of healthcare people receive in government hospitals across Africa. Poorer individuals experience longer wait times, fewer medical supplies, and less respectful treatment, highlighting that simply having a hospital nearby isn’t enough without improving service delivery.
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Digital government tools (GovTech), like online budget payments and procurement, can make public spending more efficient and help target aid to the poor. However, these tools work best when paired with foundational systems like digital ID, especially in lower-income countries.
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New historical data maps the economic output per person across different regions of China from 1080 to 1850. This detailed picture provides crucial evidence for the long-running debate about when and why Western economies began to pull ahead of Asia.
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