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Title: Data vs collateral

Author(s): Shu Chen, Leonardo Gambacorta, Yiping Huang, Zhenhua Li and Han Qiu

Publication Date: September 2020

Keyword(s): asymmetric information, banks, Big Data, big tech, Collateral and credit markets

Programme Area(s): Financial Economics

Abstract: The use of massive amounts of data by large technology firms (big techs) to assess firms' creditworthiness could reduce the need for collateral in solving asymmetric information problems in credit markets. Using a unique dataset of more than 2 million Chinese firms that received credit from both an important big tech firm (Ant Group) and traditional commercial banks, this paper investigates how different forms of credit correlate with local economic activity, house prices and firm characteristics. We find that big tech credit does not correlate with local business conditions and house prices when controlling for demand factors, but reacts strongly to changes in firm characteristics, such as transaction volumes and network scores used to calculate firm credit ratings. By contrast, both secured and unsecured bank credit react significantly to local house prices, which incorporate useful information on the environment in which clients operate and on their creditworthiness. This evidence implies that a greater use of big tech credit â?? granted on the basis of machine learning and big data â?? could reduce the importance of collateral in credit markets and potentially weaken the financial accelerator mechanism.

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Bibliographic Reference

Chen, S, Gambacorta, L, Huang, Y, Li, Z and Qiu, H. 2020. 'Data vs collateral'. London, Centre for Economic Policy Research. https://cepr.org/active/publications/discussion_papers/dp.php?dpno=15262