Skip to main content
University of Pennsylvania
School of Arts and Sciences
P
enn
E
conomics
IER
PIER
PFSRDC
PISM
Toggle navigation
Main navigation
Home
About
Undergraduate
Graduate
People
Courses
Events
News
Research
Search Results
Search
Yang Yang
Working Papers
Housing Wealth and Online Consumer Behavior: Evidence from Xiong'an New Area in China
Human Mobility Restrictions and the Spread of the Novel Coronavirus (2019-nCoV) in China
Competition and Quality: Evidence from High-Speed Railways and Airlines
© 2024 The Trustees of the University of Pennsylvania