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How Does A Firm Learn in A Changing World? The Case of Prosper Marketplace

时间:2018-10-11

Marketing Seminar2018-16

Topic:How Does A Firm Learn in A Changing World? The Case of Prosper Marketplace

Speaker:Xinlong Li, PhD Candidate in Marketing at the Rotman School of Management, University of Toronto

Time:Wednesday, 17 October, 13:30-15:00

Location:Room K01, Guanghua Building 2

Abstract:

Most marketing and economic research makes the assumption that models built on historical data can predict consumer choice in the future. However, consumer tastes might change over time, especially due to the digital innovations which have revolutionized the world. Therefore, treating all historical data equally may lead to a seriously misspecified model for the current market. In this paper, using a rich micro-level dataset, machine learning techniques (Naïve Bayes Classifier, Ensemble Modeling, and Hidden Markov Model) and structural modeling, we find evidence that Prosper Marketplace, which is one of the largest online peer-to-peer (P2P) lending platforms in the U.S., recognizes the changing market problem when developing their model to assess borrowers’ risk and set interest rates. More specifically, we find that Prosper selectively uses the data based on a moving window. In the counterfactual experiments, we demonstrate that we can improve Prosper’s revenue by changing the way Prosper uses the data.

Introduction:

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Xinlong Li is a doctoral student in Marketing at the Rotman School of Management, University of Toronto. His research centers on developing quantitative methods that leverage structural modeling and state-of-the-art machine learning techniques to gain a deeper understanding of customer behavior and guide firms' decisions. He is particularly interested in topics in digital marketing, peer-to-peer (P2P) lending, social networks and consumer risk taking preferences.

Your participation is warmly welcomed!

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