Leveraged ETFs: What the Evidence Shows
How the daily reset makes leveraged ETFs drift from their multiple, what studies of real investors found, the case for them, and the new SEC and Korean rules.
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Sinkholes: What the Evidence Shows
In South Korea, damaged sewer pipes caused 46% of ground collapses between 2019 and 2023. What research shows about natural and urban sinkholes, who pays, and what detection can do.
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Financial Advisers: What the Evidence Shows
About one US adviser in 13 has a misconduct record, and many keep working. What research shows about adviser misconduct, conflicts, fees and when advice still helps.
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Crypto Investing Losses: What the Evidence Shows
A BIS study estimated that 73% to 81% of retail bitcoin investors had likely lost money on their first purchase. What the evidence shows about timing, failed coins, fraud and leverage, and what it cannot show.
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Day Trading: What the Evidence Shows
The households that traded most earned 11.4% a year against 17.9% for the market, and fewer than 1% of day traders profit reliably. What 25 years of trading records show, including the case for retail traders.
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Data Breaches: What the Evidence Shows
Most data breach victims report little loss, but just under 6% report $10,000 or more. What research shows about breaches, fraud and what protects you.
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Do Economic Sanctions Work? What the Evidence Shows
The famous 34% sanctions success rate fell to about 4% on re-examination. What research shows about whether sanctions work and who pays.
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Phishing Training: What the Evidence Shows
A third of 14,733 employees clicked a test phishing email, and training pages made some click more. What large field studies show about phishing training.
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Utility Shutoffs and Energy Insecurity: What the Evidence Shows
27% of US households struggled to meet their energy needs in 2020. What research shows about utility shutoffs, health, and whether protections work.
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Multi-Level Marketing: What the Evidence Shows
47% of US MLM participants lost money and 27% broke even. What surveys, FTC cases and experiments show about multi-level marketing and who pays.
