Modern Portfolio Theory and the Efficient Frontier
How Harry Markowitz’s 1952 paper reshaped investing: expected return, variance, correlation, the efficient frontier, and where MPT breaks in real markets.
asset allocation
Dollar-Cost Averaging vs Lump Sum: What the Data Shows
Vanguard tested five decades of global market data on DCA vs lump sum. Lump sum won 68% of the time — here’s why, and when DCA is still the right call.