Xufei Liu

Xufei Liu
  • Doctoral Candidate

Contact Information

  • office Address:

    3730 Walnut Street
    533.4 Jon M Hunstman Hall
    Philadelphia, PA 19104

Research Interests: Machine Learning, Intervention Systems, Stochastic Models

Overview

Xufei Liu is a second-year student Ph.D. student in the Operations Management Track. Before attending UPenn, she received a Bachelor of Science in Industrial Engineering from Georgia Tech in 2022 with a concentration in Operations Research and Statistics. You can see more on her website.

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Teaching

Wharton Summer Math Camp (2023)

Knowledge at Wharton

How Mortgage Lock-In Is Quietly Pushing Up House Prices

A new paper co-authored by Wharton's Lu Liu argues that homeowners stuck with low fixed mortgage rates aren't just frozen in place — they're propping up the housing market.…Read More

Knowledge @ Wharton - 6/16/2026
Does Q&A Boost Engagement?

When is friction a good thing? When it helps drive curiosity for more information, according to a Wharton study.…Read More

Knowledge @ Wharton - 6/16/2026
2026 Best Countries Index

The newly released 2026 Best Countries Index ranks 85 countries on 73 attributes across categories including entrepreneurship, openness for business, quality of life, power, and cultural influence.…Read More

Knowledge @ Wharton - 6/16/2026