The emergence of big tech in financial intermediation Jon Frost is a Senior Economist at the BIS, Leonardo Gambacorta is the Head of Innovation and the Digital Economy at the BIS, Yi Huang is Associate Professor of International Economics and Pictet Chair in Finance and Development at the Graduate Institute, Geneva, Hyun Song Shin is Economic Adviser and Head of Research at the BIS, and Pablo Zbinden is Head of the Credit Risk, Mercado Crédito Big tech firms are entering finance, and their access to massive amounts of information may give them an edge in areas like credit assessment and beyond. This column assesses the economic forces behind the adoption of big tech services in finance. It shows that big tech lenders thrive in countries with less competitive banks and less strict regulation, and that they have an information advantage from the use of big data and machine learning. Big tech firms – large technology firms whose primary business is digital services – are entering finance (Zetzsche et al. 2017, Carstens 2018). Facebook’s Libra proposal is just one recent example of a much broader trend. In China, big tech firms like Ant Financial and Tencent offer a range of financial services (Xie et al. 2018, Luohan Academy Report 2019) and this is being seen increasingly in other markets, particularly in other parts of Asia, East Africa, and Latin America. The entry of these firms into finance has usually started with payments. After that, many have followed a well-worn path of broadening their activities into the provision of credit, insurance, and toward savings products, either directly or in partnership with incumbent financial institutions. The main advantage of big tech firms is their ability to exploit their existing networks and the massive quantities of data generated by their existing business lines. Their entry raises a number of important questions. For instance, what are the economic forces that best explain the adoption of big tech services in finance? Do big tech lenders have an information advantage from their access to users’ data or from technological advantages arising from innovations in processing methods, particularly in relation to credit scoring? Drivers of big tech entry into credit markets Our new research (Frost et al. 2019) addresses these questions. It shows that fintech firms extend less than 1% of global private sector credit, but their footprint is growing (Figure 1). In a number of countries in Asia, Latin America, Europe, and North America, big tech firms now lend to millions of small and medium firms. Big tech firms differ from banks in at least two key ways. First, they have a loyal client base in users of their e-commerce platforms, messaging services, or search engine. Second, they use advanced technology, for example artificial intelligence, to parse massive volumes of data. Big tech lenders can exploit the data generated by their networks and machine learning to tailor prices and distribute financial services. Credit and other services are typically provided without human intervention. Using data on fintech credit from the Cambridge Centre for Alternative Finance (Rau 2017, Claessens et al. 2018) and hand-collected data on large technological firms, we construct a unique dataset that includes big tech credit as an additional category in the broader universe of fintech credit. We find that the differences in the development of total fintech credit reflect differences in income and financial market structure – the higher a country’s income and the less competitive its banking system, the larger the fintech credit activity. Big tech credit benefits even more from these factors (Figure 2). Big tech credit assessment: big data and artificial intelligence However, in order to better understand more specific drivers, including the competitive and comparative advantages of big tech, it is necessary to understand the lending model in more detail. In particular, we need to understand how lending decisions based on machine learning and the processing of large quantities of information (big data) alter credit assessment. Using data from Mercado Libre, and its lending product Mercado Crédito, we compare the defaults of firms based on their credit score with machine learning and big data from the e-commerce platform (‘internal rating’) and a traditional credit bureau score (Figure 3, left panel). To date, the internal rating has been superior to the credit bureau in predicting defaults (Figure 3, right panel). However, the jury is still out. Any judgement on the ability of big tech credit scoring to better pinpoint creditworthiness should be based on a complete cycle, evaluating the probability of default in stress situations. Conclusions The rapid growth of big tech in finance will bring both benefits and risks to the future banking system. Big tech firms may enhance competition and financial inclusion and contribute to the efficiency of financial services. Conversely, such firms may further concentrate market power or give rise to new systemic risks (BIS 2019). Overall, it is important to understand how big tech firms fit within the current framework of financial regulation, and under which principles regulation should be organised. All these are relevant aspects for future research in this area. References Bank for International Settlements (2019), Big tech in finance: opportunities and risks, Annual Economic Report, June. Carstens, A (2018), “Big tech in finance and new challenges for public policy”, speech to FT Banking Summit, 2 December. Claessens, S, J Frost, G Turner, and F Zhu (2018), “Fintech credit markets around the world: size, drivers and policy issues”, BIS Quarterly Review, September. Frost, J, L Gambacorta Y Huang, HS Shin, and P Zbinden (2019), “BigTech and the Changing Structure of Financial Intermediation”, BIS Working Paper no. 779. Luohan Academy Report (2019), Digital Technology and Inclusive Growth, Hangzhou. Rau, R (2017), “Law, trust, and the development of crowdfunding”, University of Cambridge Working Paper. Xie, P, C Zou, and H Liu (2018), “The fundamentals of internet finance and its policy implications in China”, China Economic Journal 9(3): 240–252. Zetzsche, D, R Buckley, D Arner, and J Barberis (2017), “From FinTech to TechFin: The Regulatory Challenges of Data-Driven Finance”, New York University Journal of Law and Business. This article was originally published on VoxEU.org
... it is important to understand how big tech firms fit within the current framework of financial regulation, and under which principles regulation should be organised

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