NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

Susan Feng Lu

KRA 441
Krannert School of Management
Purdue University
Rochester, NY, 14620

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NBER Working Papers and Publications

August 2017Inside Job or Deep Impact? Using Extramural Citations to Assess Economic Scholarship
with Joshua Angrist, Pierre Azoulay, Glenn Ellison, Ryan Hill: w23698
Does academic economic research produce material of scientific value, or are academic economists writing only for clients and peers? Is economics scholarship uniquely insular? We address these questions by quantifying interactions between economics and other disciplines. Changes in the impact of economic scholarship are measured here by the way other disciplines cite us. We document a clear rise in the extramural influence of economic research, while also showing that economics is increasingly likely to reference other social sciences. A breakdown of extramural citations by economics fields shows broad field impact. Differentiating between theoretical and empirical papers classified using machine learning, we see that much of the rise in economics’ extramural influence reflects growth in c...
July 2015Solving Shortage in a Priceless Market: Insights from Blood Donation
with Tianshu Sun, Ginger Zhe Jin: w21312
Shortage is common in many markets, such as those for human organs or blood, but the problem is often difficult to solve through price adjustment, given safety and ethical concerns. In this paper, we investigate whether market designers can use non-price methods to address shortage. Specifically, we study two methods that are used to alleviate shortage in the market for human blood. The first method is informing existing donors of a current shortage via a mobile message and encouraging them to donate voluntarily. The second method is asking the patient’s family or friends to donate in a family replacement (FR) program at the time of shortage. We are interested in both the short-run and long-run effects of these methods on blood supply. Using 447,357 individual donation records across 8 yea...

Published: Tianshu Sun & Susan Feng Lu & Ginger Zhe Jin, 2016. "Solving Shortage in a Priceless Market: Insights from Blood Donation," Journal of Health Economics, .

October 2013The Reverse Matthew Effect: Catastrophe and Consequence in Scientific Teams
with Ginger Zhe Jin, Benjamin Jones, Brian Uzzi: w19489
Teamwork pervades modern economies, yet teamwork can make individual roles difficult to ascertain. In the sciences, the canonical "Matthew Effect" suggests that eminent team members garner credit for great works at the expense of less eminent team members. We study this phenomenon in reverse, investigating how damaging events, article retractions, affect citations to the authors' prior publications. We find that retractions impose little citation penalty on eminent coauthors, but less eminent coauthors face substantial citation declines, especially when teamed with an eminent author. This asymmetry suggests a "Reverse Matthew Effect" for team-produced catastrophes. A Bayesian model provides a candidate interpretation.
 
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