Why are credit-card interest rates so high? Here’s something banks won’t advertise. - MarketWatch
1. Credit cards have high rates due to default risk and marketing costs. 2. Capital One is a leading card advertiser with significant spending. 3. Credit cards are crucial to the economy, representing 70% of retail sales. 4. Lawmakers proposed capping card interest rates, but regulations are unlikely soon. 5. Banks profit more from risky borrowers and high-income customers.