Interest Rate Arbitrage – Pay Down Debt or Invest?
One of the most fascinating topics that I've come across this year in regard to personal finance is the amount of controversy regarding interest rate arbitrage. Now, arbitrage might not be a word that we use very often so I'll quickly define it here. The simultaneous purchase and sale of equivalent assets or of the same asset in multiple markets in order to exploit a temporary discrepancy in prices. Still kind of confusing, right? What I'm getting at here is the common discussion around whether to eliminate low interest rate consumer debt (think 2.5% car loans or 4% home loans) or invest in the stock market…