RT Journal Article SR Electronic T1 Practical Applications of Diversified or Concentrated Factor Tilts? JF Practical Applications FD Institutional Investor Journals SP 1 OP 4 DO 10.3905/pa.2016.4.1.166 VO 4 IS 1 A1 Noël Amenc A1 Frédéric Ducoulombier A1 Felix Goltz A1 Ashish Lodh A1 Sivagaminathan Sivasubramanian A1 Howard Moore YR 2016 UL https://pm-research.com/content/4/1/1.17.abstract AB Diversified or Concentrated Factor Tilts? Noël Amenc Frédéric Ducoulombier Felix Goltz Ashish Lodh Sivagaminathan Sivasubramanian A number of smart-beta indices have been marketed as tools for investors to tilt their portfolios toward factor exposures, such as size, value, low volatility and momentum, while diversification-based smart-beta products have targeted the other key issue with market-capitalization-based indices—their inefficiency due to excessive concentration in the largest-cap stocks. In an article in The Journal of Portfolio Management , authors Noël Amenc , Frédéric Ducoulombier , Felix Goltz , Ashish Lodh and Sivagaminathan Sivasubramanian evaluated the benefits and costs of diversified versus concentrated factor tilts.