Claudia Buch: Keynote address - "Are post-crisis statistical
initiatives completed?"
Keynote address by Prof Claudia Buch, Vice-President of the Deutsche Bundesbank,
at the Ninth IFC Conference "Are post-crisis statistical initiatives completed? ", Basel, 30
August 2018.
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Let me welcome you to the 9th biennial conference organised by the Irving Fisher Committee.
We are very glad to welcome speakers and participants from IFC central banks and from
international organisations. I would especially like to welcome the authors of the seven papers
which are being considered for this year's "Young Statistician Award". A panel of experts will
choose a winner who will be announced towards the end of the conference.
Ten years have elapsed since the financial crisis. Central banks statistics have contributed
significantly to our understanding of the financial system, systemic risks, and potential
vulnerabilities. Against this backdrop, this conference asks: Are post-crisis statistical initiatives
completed?
Statistical initiatives are not an end in themselves: They need to address demand for information
among the general public, academics, and policymakers. They need to balance the costs and
benefits of collecting information. And they need to make best use of the available technology.
Before going into these issues, let me give a quick refresher on post-crisis statistical initiatives.
1. What has happened since the crisis?
The global financial crisis highlighted significant gaps in data needed to understand financial
stability risks and implications for the real economy. Post-crisis reforms under the G20 Data
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Gaps Initiative (DGI) thus focused on:
the assessment of international and cross-sector relationships,
the monitoring of risks in the financial sector,
better communication of official statistics.
The first phase of the DGI in the years 2009-15 focused on conceptual work. Key deliverables
include
revised Financial Soundness Indicators,
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the FSB's annual Global Shadow Banking Monitoring Report , and
a standardised data template for the collection of data on global systemically important
banks (G-SIBs).
The second phase, which started in 2015, is focusing on implementation and data collection.
Emphasis is being placed on monitoring of risk in the financial sector, vulnerabilities,
interconnections and spillovers.
Linkages and contagion effects
As regards understanding cross-border and cross-sector linkages, we have made progress in
terms of analysing contagion effects. The first three sessions of the conference will address
contagion effects and their measurement through reporting from multinational enterprises,
identification of international exposures and international flows of funds, and managing
crossborder impacts on financial accounts.
The IFC has highlighted the usefulness of nationality-based indicators. Nationality-based
indicators complement residency-based statistics. For example, they help understand who takes
the underlying economic decisions, who is exposed to final risks, and in which countries the
ultimately responsible unit resides. This work was conducted in cooperation with international
organisations, in particular the OECD.
Granular data and information systems
Shocks affecting individual banks or firms can have significant aggregate effects (Gabaix 2011,
Amiti and Weinstein 2018). Yet, the collection of sufficiently granular statistics on individual banks
and firms can be difficult and costly. Although a lot of granular information is potentially available,
using and merging different datasets has been complicated by a lack of harmonised identifiers or
the existence of legal constraints.
In 2017, the IFC and the European Committee of Central Balance Sheet Data Offices
(ECCBSO) published a report which highlights the usefulness of firms' individual financial
statements (IFC 2017a). The report shows that the coverage of firm-level balance sheet
information has improved. Yet, comparing data across different jurisdictions, and matching
balance sheet data with other statistics, remains challenging.
The report also indicates that the use of granular financial data is often constrained by
confidentiality considerations. It is important for us to improve information systems. The
International Network for Exchanging Experience on Statistical Handling of Granular Data
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(INEXDA) is one example of such information sharing.
One area where granular data are particularly relevant is the surveillance of risks to financial
stability. By their very nature, financial stability concerns arise whenever risks to individual
institutions or sectors threaten the stability of the financial system as a whole. In 2017, the IFC
therefore co-organised a workshop with the National Bank of Belgium to share views on data
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collection for macroprudential analysis.
Understanding how shocks propagate within the financial system requires entity-level information
on interlinkages and spillovers. This information is needed to monitor risks and to assess the
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effects of post-crisis financial sector reforms. Important data gaps, however, are still a major
obstacle to the effective assessment of the impact of post-crisis reforms (ESRB 2016, Eurostat
2017, and OECD 2017). Among them are the measurement of prices in the real estate sector,
the assessment of household vulnerabilities, and new developments such as related to
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FinTech.
2. Data and policy evaluation
Collecting data is not, and should not be, an end in itself. We need to join the dots, not just collect
them. Data provide information about the structure and state of the financial system, and they
can be used to assess the effects of post-crisis financial sector reforms.
After the crisis, several major reform initiatives were launched, which aim at enhancing the
stability and resilience of the global financial system. So far, national and international bodies
have focused on monitoring the implementation of these reforms (FSB 2016). To answer the
question of how financial sector reforms have affected market dynamics and the real economy,
we need to go a step further. In 2017, the G20 leaders have thus adopted a framework for the
evaluation of reform effects (FSB 2017). The framework has three elements: causally attributing
observed trends in financial markets to reforms, understanding relevant heterogeneities across
banks, countries, and over time, and understanding general equilibrium effects.
One crucial objective of policy evaluation is to make a distinction between the effects of reforms
on individual firms, and the effects on the financial system. (Short-term) costs of reforms for the
private sector, such as costs of compliance, are often more visible and easier to measure than
longer-terms benefits for society as a whole. Some of these benefits arise through shifts in costs
from the public to the private sector: withdrawing implicit public guarantees for financial
institutions increases the costs of debt, because creditors cannot rely on bailouts and thus
demand higher risk premia. This will show up as a private cost. Yet, society as a whole benefits if
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the financial system becomes more stable and if risk is not shifted to the public sector.
To see why structured policy evaluation is needed, take the effects of increased capital
requirements. Better capitalised banks are more resilient and can lend more to the real
economy. At the same time, post-reform trends in bank lending have differed across countries,
banks, and industries. This raises a number of questions: Has lending declined because of
weaker credit demand? Do banks lend more prudently? What has been the impact of regulations
on stability and growth? Does bank lending support sectoral reallocation - and thus growth?
Aggregate time trends in lending do not answer these questions. Rather, micro data and
empirical methods for (causal) identification are the basis for well-informed policy decisions.
A good data strategy is crucial for policy evaluation. Data on trade repositories have, for example,
been an important element of a recent evaluation of derivatives market reforms. The Financial
Stability Board (FSB) recently released a consultative report on the impact of post-crisis reforms
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on incentives for central clearing. Many of the insights in this report are based on trade
repository data, but the report also mentions important shortcomings in the use and availability of
data.
In 2017, the IFC conducted a survey to investigate data collected by trade repositories. The
report, which will be released soon, contains interesting insights:
Data from trade repositories are useful for macroprudential risk assessment, for analysing
market transparency, and for microprudential risk assessment.
Most jurisdictions collect some data on derivatives, but there are still considerable gaps.
Using these data for policy work remains limited due to incomplete coverage, reporting lags,
and the complexity of the existing data.
3. Data and new technologies
The arrival of new technologies and data sources has been another structural change. New data
sources - typically summarised under the label "Big Data" - can provide information that
complements or even replace traditional statistics. New technologies such as machine learning
can allow making better use of existing data and improve the efficiency of producing statistics.
Let me briefly review the key trends as they are reflected in the work of the IFC.
Big Data and machine learning
Big Data has become a buzzword. It can open up new business opportunities and information
sources, but it also raises concern about data confidentiality and privacy. In 2015, the IFC thus
reached out to central banks to learn about the relevance of Big Data to central banks. Big data
are flexible and available in real time. They thus complement existing statistics and support policy
analysis. Yet central banks' actual involvement has remained limited, given the costs of handling
and using Big Data. The IFC has decided to start pilot projects, related not only to the internet but
also to the various large micro datasets that are already available (eg administrative, commercial
and financial market datasets). Conferences and workshop events in this area have been
coorganised in 2017 and 2018 with the Bank of Indonesia.
Another area in which technological advances are delivering new opportunities for central
bankers and statisticians is the realm of machine learning. For example, the Bundesbank
currently tests a neuronal network for generating forecasts on price movements in US-
Treasuries over short time horizons (1-10 days) in order to support and inform the decision
making process in portfolio management. Other projects explore the use of machine learning for
quality assurance, record linkages, or merging datasets. The IFC continues to support
crossinstitutional collaboration in this space through conferences such as this one.
FinTech
The central banking world is also increasingly engaged in understanding the impact of FinTech
on the financial system and financial stability. FinTech can be defined as technologically-enabled
financial innovation that could result in new business models, applications, processes or
products with an associated material effect on the provision of financial services. It is rapidly
modifying the structure of financial markets, by eg fostering new forms of credit (peer-to-peer
lending), leading to the emergence of cryptocurrencies, and prompting changes in payments
systems. The rapid innovation of FinTech means risks are constantly changing and there are
many avenues to explore.
In response to these developments, the IFC has committed to undertaking further work in this
area to support central banks' understanding of risks and opportunities related to FinTech.
Yesterday, the IFC Committee agreed to set up a task force to work on data issues related to
FinTech, in close cooperation with international standard setters including the Basel Committee
on Banking Supervision (BCBS) and the Committee on Payments and Market Infrastructures
(CPMI).
4. Summing up
A lot has happened in the ten years that have elapsed since the crisis: Data gaps have been
closed; new technologies transform the production of statistics; structured evaluations of
postcrisis financial sector reforms have been kicked off at the G20 level.
In order to sustain these efforts and to transform "data" into "information", let me emphasise a
few points:
First, central bank statistics are used by many stakeholders: analysts, researchers,
policymakers, and private market participants. These stakeholders will use our statistics only if
they are easily accessible. Communication with stakeholders, a clear legal basis to support data
sharing, the use of joint methodological standards, and measures to protect confidential
information are thus crucial (IFC 2015).
Second, when discussing new data initiatives, the costs and benefits need to be weighed up
carefully. Detailed, granular data improve analytical work, and thus contribute to better policies
and public welfare. But reporting of statistical and supervisory information can be costly, in
particular if data initiatives are not well coordinated. Improving the trade-off between costs and
benefits requires long-term strategic planning and consultation with industry.
Third, policy analysis and statistical work can be integrated and coordinated more closely. Before
launching policy projects, data needs should be carefully considered, and sufficient time should
be budgeted for data work. Statistical initiatives have to take into consideration the type and
granularity of data needed to conduct good causal evaluation studies. Both require close
coordination between statistical and policy departments in central banks.
5. References
Amiti, Mary, and David E. Weinstein (2018). How much do idiosyncratic bank shocks affect
investment? Evidence from matched bank-firm loan data. Journal of Political Economy 126
(2): 525-587.
Atkeson, Andrew G., Adrien d'Avernas, Andrea L. Eisfeldt, and Pierre-Olivier Weill (2018).
Government Guarantees and the Valuation of American Banks. National Bureau of
Economic Research. NBER Working Paper 24706. Cambridge MA.
European Systemic Risk Board - ESRB (2016). Recommendation on closing real estate
data gaps (ESRB/2016/14), October 2016.
Eurostat (2017). Commercial property price indicators: sources, methods and issues,
Statistical Report.
Financial Stability Board - FSB (2016). Implementation and Effects of the G20 Financial
Regulatory Reforms, 2nd Annual Report. Basel.
Financial Stability Board - FSB (2017). Framework for Post-Implementation Evaluation of
the Effects of the G20 Financial Regulatory Reforms. Basel.
Financial Stability Board - FSB and International Monetary Fund - IMF (2016). The financial
crisis and information gaps. Second phase of the G-20 data gaps initiative (DGI-2). First
Progress Report.
Financial Stability Board - FSB and International Monetary Fund - IMF (2017). The financial
crisis and information gaps. Second phase of the G-20 data gaps initiative (DGI-2). Second
Progress Report.
Gabaix, Xavier (2011). The granular origins of aggregate fluctuations. Econometrica 79(3):
733-772.
Irving Fisher Committee on Central Bank Statistics - IFC (2015). Data-sharing: issues and
good practices. Report to BIS Governors prepared by the Task Force on Data Sharing.
Irving Fisher Committee on Central Bank Statistics - IFC (2017a). Uses of central balance
sheet data offices' information. Proceedings of the IFC-ECCBSO-CBRT conference in
Özdere-İzmir, Turkey, on 26 September 2016. IFC Bulletin 45.
Irving Fisher Committee on Central Bank Statistics - IFC (2017b). Data needs and statistics
compilation for macroprudential analysis. Proceedings of the IFC-National Bank of Belgium
Workshop in Brussels on 18-19 May 2017. IFC Bulletin 46.
Organisation for Economic Co-operation and Development - OECD (2017). Households'
Financial Assets and Liabilities, stats.oecd.org/Index.aspx?DataSetCode=QASA_7HH,
accessed 27 August, 2018.
1
For details, see FSB and IMF (2016) and FSB and IMF (2017).
2
For details, see www.fsb.org/2018/03/global-shadow-banking-monitoring-report-2017/
3
See www.bundesbank.de/Navigation/EN/Bundesbank/Research/RDSC/INEXDA/inexda.html?https=1
4
For details, see IFC (2017b).
5
www.fsb.org/2017/07/framework-for-post-implementation-evaluation-of-the-effects-of-the-g20-financialregulatory-reforms/
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For details, see www.fsb.org/2017/06/financial-stability-implications-from-fintech/
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Recent evidence shows that, between 1970 and 1985, franchise values of US banks were not high,
market-tobook values of bank equity were closely aligned, and implicit government guarantees were small (Atkeson,
d'Avernas, Eisfeldt, and Weill 2018). Between 1996 and 2007, market values of bank equity rose, banks took on
more risk, and the value of government guarantees increased.
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For details, see www.fsb.org/2018/08/fsb-and-standard-setting-bodies-consult-on-effects-of-reforms-on-
incentives-to-centrally-clear-over-the-counter-derivatives/