Using Mirror Data to Track International Banking

Posted: 24 Jan 2020

See all articles by Swapan-Kumar Pradhan

Swapan-Kumar Pradhan

Bank for International Settlements (BIS)

João-Falcão Silva

Bank of Portugal

Date Written: December 20, 2019


Recent enhancements to the BIS international banking statistics have led to improvements in data quality and coverage, with more information available about the instrument type, counterparty country by bank nationality and counterparty sector of banks' international positions. This study uses mirror data techniques to examine those data elements that are common both within the various international banking datasets and between these datasets and other external financial statistics such as the Balance of Payments, International Investment Position, Coordinated Portfolio Investment Survey and the BIS International Debt Securities Statistics. We exploit the conceptual relationships between these data sources to check data validity at an aggregate level. The paper thus provides a road map for users to enhance their analyses using mirror data concepts.

Keywords: Balance of payments, data collection and data estimation methodology, international banking, international financial data

JEL Classification: C82, C800, F42, F300

Suggested Citation

Pradhan, Swapan-Kumar and Silva, João-Falcão, Using Mirror Data to Track International Banking (December 20, 2019). Available at SSRN:

Swapan-Kumar Pradhan (Contact Author)

Bank for International Settlements (BIS) ( email )

Centralbahnplatz 2
Basel, Basel-Stadt 4002

João-Falcão Silva

Bank of Portugal

Rua Francisco Ribeiro, 2
Lisbon, 1150-165

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