Measuring Financial Integration in the Euro Area
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A Service of Leibniz-Informationszentrum econstor Wirtschaft Leibniz Information Centre Make Your Publications Visible. zbw for Economics Baele, Lieven; Ferrando, Annalisa; Hördahl, Peter; Krylova, Elizaveta; Monnet, Cyril Research Report Measuring financial integration in the euro area ECB Occasional Paper, No. 14 Provided in Cooperation with: European Central Bank (ECB) Suggested Citation: Baele, Lieven; Ferrando, Annalisa; Hördahl, Peter; Krylova, Elizaveta; Monnet, Cyril (2004) : Measuring financial integration in the euro area, ECB Occasional Paper, No. 14, European Central Bank (ECB), Frankfurt a. M. This Version is available at: http://hdl.handle.net/10419/154467 Standard-Nutzungsbedingungen: Terms of use: Die Dokumente auf EconStor dürfen zu eigenen wissenschaftlichen Documents in EconStor may be saved and copied for your Zwecken und zum Privatgebrauch gespeichert und kopiert werden. personal and scholarly purposes. 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Sofern die Verfasser die Dokumente unter Open-Content-Lizenzen (insbesondere CC-Lizenzen) zur Verfügung gestellt haben sollten, If the documents have been made available under an Open gelten abweichend von diesen Nutzungsbedingungen die in der dort Content Licence (especially Creative Commons Licences), you genannten Lizenz gewährten Nutzungsrechte. may exercise further usage rights as specified in the indicated licence. www.econstor.eu OCCASIONAL PAPER SERIES NO. 14 / APRIL 2004 MEASURING FINANCIAL INTEGRATION IN THE EURO AREA by Lieven Baele, Annalisa Ferrando, Peter Hördahl, Elizaveta Krylova and Cyril Monnet OCCASIONAL PAPER SERIES NO. 14 / APRIL 2004 MEASURING FINANCIAL INTEGRATION IN THE EURO AREA by Lieven Baele 1, Annalisa Ferrando 2, Peter Hördahl 2, Elizaveta Krylova 2 and Cyril Monnet 2 In 2004 all ECB publications will feature a motif taken This paper can be downloaded from from the €100 banknote. the ECB’s website (http://www.ecb.int). 1 Department of Financial Economics, Ghent University. 2 European Central Bank. This paper draws on the results of a project on Measuring financial integration in the euro area, conducted while Lieven Baele and Elizaveta Krylova were visiting the ECB. The authors would like to thank Geert Bekaert, Jesper Berg, Vitor Gaspar, Philipp Hartmann, Hans-Joachim Klöckers, Francesco Mongelli and Francesco Papadia for providing useful comments at various stages of the project, as well as an anonymous referee for helpful suggestions. The views expressed in this paper are those of the authors and do not necessarily reflect those of the ECB or the Eurosystem. © European Central Bank, 2004 Address Kaiserstrasse 29 60311 Frankfurt am Main Germany Postal address Postfach 16 03 19 60066 Frankfurt am Main Germany Telephone +49 69 1344 0 Website http://www.ecb.int Fax +49 69 1344 6000 Telex 411 144 ecb d All rights reserved. Reproduction for educational and non-commercial purposes is permitted provided that the source is acknowledged. The views expressed in this paper do not necessarily reflect those of the European Central Bank. ISSN 1607-1484 (print) ISSN 1725-6534 (online) CONTENTS 1 INTRODUCTION 4 APPENDIX 1: DESCRIPTION OF THE CORPORATE BOND DATASET AND FILTERS 82 2 FINANCIAL INTEGRATION: DEFINITION AND APPENDIX 2: ESTIMATION RESULTS FOR EUROPEAN BENEFITS 6 AND US SHOCKS SPILLOVER 2.1 Definition of financial integration 6 INTENSITIES 83 2.2 Benefits of financial integration 7 10 REFERENCES 89 3 A COMMON FRAMEWORK FOR MEASURING EUROPEAN CENTRAL BANK OCCASIONAL PAPER FINANCIAL INTEGRATION 11 SERIES 95 3.1 Price-based measures of financial integration 12 3.2 News-based measures 18 3.3 Quantity-based measures of financial integration 21 4 EURO AREA MONEY MARKETS 23 4.1 Market developments 23 4.2 Measures of integration 25 4.3 Summary 33 5 EURO AREA GOVERNMENT BOND MARKETS 34 5.1 Market developments 34 5.2 Measures of integration 36 5.3 Summary 44 6 EURO AREA CORPORATE BOND MARKETS 45 6.1 Market developments 45 6.2 Measures of integration 48 6.3 Summary 54 7 EURO AREA BANK CREDIT MARKETS 55 7.1 Market developments 55 7.2 Measures of integration 56 7.3 Summary 66 8 EURO AREA EQUITY MARKETS 67 8.1 Market developments 67 8.2 Measures of integration 69 8.3 Summary 79 9 SUMMARY AND CONCLUSIONS 80 ECB Occasional Paper No. 14 April 2004 3 1 INTRODUCTION During the last decade, the European financial financial stability. Monitoring integration is landscape has changed dramatically, and the therefore important for regulators and central establishment of Economic and Monetary banks. The ECB explicitly expressed its interest Union (EMU) seems to have accelerated the in financial integration in a recent ECB Monthly pace of these changes. One important change Bulletin article on “The integration of Europe’s has been the continued process of integration in financial markets” (ECB, 2003a).3 Tellingly the European financial markets, which has brought main topic of the 2nd ECB Central Banking about a surge in cross-border trading. However, Conference was the transformation of the some segments of the market seem to have made European financial system (see Gaspar et al., greater progress than others in terms of 2003). integration. European financial integration is an important issue, since both economic theory and Given these reasons for monitoring financial empirical findings suggest that the integration integration, this paper proposes a number of and development of financial markets are likely measures to quantify the state and evolution of to contribute to economic growth by removing financial integration in the euro area. We focus frictions and barriers to exchange, and by explicitly on the euro area and its member allocating capital more efficiently. To this end, a countries, rather than on euro-currency markets number of initiatives promoting greater which are located both within and outside the integration in European financial markets, such area. The measures proposed here are applied to as the Financial Services Action Plan (FSAP)1, a number of key markets, namely the money, have been pursued and both policy makers and corporate bond, government bond, credit and market participants are discussing new ones. equity markets. Hence, the paper’s main While it is generally agreed that deepening objective is to present a set of specific measures financial integration is beneficial on the whole, to assess (1) the current level of integration in it is also conceivable that it may have less different euro area financial markets and (2) positive effects. For example, too much whether integration is progressing, stable or consolidation in a market segment might hinder regressing. In order to facilitate the comparison competition.2 As a consequence, it is extremely across markets, we devise a common important to monitor and understand the methodological framework built upon a precise process of financial market integration. In definition of financial integration. Our addition, insofar as policymakers and private agents see good reasons to promote further 1 See EU Commission 1999 and the website http://europa.eu.int/ comm/internal_market/en/finances/actionplan/index.htm. integration, it is important to measure 2 Financial integration obviously does not necessarily have accurately the state of integration in various implications for consolidation in some market segments. While integration may lead to further consolidation in an industry, due to segments of the market so that we may identify increased competition for instance, there is no direct causal link areas where further initiatives are particularly between integration and consolidation. needed. 3 The ECB interest in financial integration has already resulted in several activities and undertakings. First, the Report on Financial Structures (ECB, 2002a) provides a description of the financial Financial integration is also important for other structures of the euro area countries and their recent evolution. Moreover, Cabral et al. (2002) examined the integration of the reasons. For example, since monetary policy is euro area banking market. While their study is similar to our implemented through the financial system, this analysis of the credit market, the present paper focuses mainly on system must be as efficient as possible in order measures of financial integration in retail banking activities and should be seen as a complement to the banking integration study. to guarantee a smooth and effective The structure of the banking sector has also been thoroughly transmission of monetary policy. The degree of analysed in the Banking Supervision Committee report (ECB, financial integration is therefore important in 2003b). Hartmann et al. (2003) deal with a broader set of issues than measures of integration, addressing also financial structure determining how effectively this transmission and policy initiatives. Finally, the ECB is engaged in several will work in practice. In addition, financial activities in order to promote research in financial integration, such as the ECB-CFS research network on “Capital Markets and integration affects the structure of the financial Financial on Integration in Europe” (see www.eu-financial- system, which in turn may have implications