Publications

( * indicates our supervised PhD student or postdoctoral fellow)

Finance

  1. Deep Tangency Portfolio#BibTeX with Liang Jiang, Junye Li, Yizhi Song*, and Yuanzhi Wang* Accepted, Management Science (2026+).
    Mean-variance efficiencyStochastic discount factorFixed incomeFinancial machine learningLatent factor models
  2. Selecting and Testing Asset Pricing Models: A Stepwise Approach#BibTeX with Wei Lan, Hansheng Wang, and Jun Zhang* Accepted, Management Science (2026+).
    Asset pricing testsMean-variance efficiencyFactor zooModel comparisonObservable factor models
  3. LLM in FinanceFinancial machine learningReturn predictabilityModel comparison
  4. Growing the Efficient Frontier on Panel Trees#BibTeX with Will Cong, Jingyu He, and Xin He* Journal of Financial Economics, 2025, 167, 104024. 2022 INQUIRE Europe Research Grant Award 2024 IQAM Research Prize
    Mean-variance efficiencyStochastic discount factorLatent factor modelsPanel treeFinancial machine learning
  5. Institutional investorsFinancial machine learning
  6. Fixed incomeReturn predictabilityFinancial machine learningCredit risk
  7. Deep Learning in Characteristics-Sorted Factor Models#BibTeX with Jingyu He, Nick Polson, and Jianeng Xu Journal of Financial and Quantitative Analysis, 2024, 59(7), 3001-3036. Unigestion Alternative Risk Premia Research Grant Award Second Prize, 2019 Crowell Prize 2019 INQUIRE Europe Research Grant Award Media Coverage: Chicago Booth Review, BNP PARIBAS, PR Newswire
    Stochastic discount factorLatent factor modelsFinancial machine learningAnomalies
  8. Fixed incomeCredit risk
  9. Taming the Factor Zoo: A Test of New Factors#BibTeX with Stefano Giglio and Dacheng Xiu Journal of Finance, 2020, 75(3), 1327-1370. 2018 AQR Insight Award, First Prize PwC 3535 Finance Forum Annual Best Paper Award Media Coverage: Chicago Booth Review, Pensions & Investments, AQR Insight Award, 知乎
    Factor zooAsset pricing testsStochastic discount factorSparsityObservable factor models

Econometrics & Statistics

  1. Return predictabilitySparsityFinancial machine learningHigh-dimensional inference
  2. Testing Alphas in Linear Factor Models: A Portfolio Approach#BibTeX with Jun Zhang*, Dan Pu, and Wei Lan Accepted, Journal of Business & Economic Statistics (2026+).
    Asset pricing testsObservable factor modelsHigh-dimensional inferenceModel comparison
  3. Asset pricing testsObservable factor modelsHigh-dimensional inferenceSparsity
  4. Regularized GMMSparsityReturn predictabilityHigh-dimensional inference
  5. Regularized GMMStructural breaksObservable factor modelsConditional asset pricingStochastic discount factor
  6. Bayesian methodsSparsityMean-variance efficiencyReturn predictability
  7. Bayesian methodsSparsityReturn predictability
  8. VolatilityModel comparison

Email: gavinfeng702@outlook.com / gavin.feng@cityu.edu.hk

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