Why do we have an interbank money market?
Jürgen Wiemers, Ulrike Neyer
IWH Discussion Papers,
No. 182,
2003
Abstract
The interbank money market plays a key role in the execution of monetary policy. Hence, it is important to know the functioning of this market and the determinants of the interbank money market rate. In this paper, we develop an interbank money market model with a heterogeneous banking sector. We show that besides for balancing daily liquidity fluctuations banks participate in the interbank market because they have different marginal costs of obtaining funds from the central bank. In the euro area, which we refer to, these cost differences occur because banks have different marginal cost of collateral which they need to hold to obtain funds from the central bank. Banks with relatively low marginal costs act as intermediaries between the central bank and banks with relatively high marginal costs. The necessary positive spread between the interbank market rate and the central bank rate is determined by transaction costs and credit risk in the interbank market, total liquidity needs of the banking sector, costs of obtaining funds from the central bank, and the distribution of the latter across banks.
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Bank Concentration and Retail Interest Rates
S. Corvoisier, Reint E. Gropp
Journal of Banking and Finance,
No. 11,
2002
Abstract
The recent wave of mergers in the euro area raises the question whether the increase in concentration has offset the increase in competition in European banking through deregulation. We test this question by estimating a simple Cournot model of bank pricing. We construct country and product specific measures of bank concentration and find that for loans and demand deposits increasing concentration may have resulted in less competitive pricing by banks, whereas for savings and time deposits, the model is rejected, suggesting increases in contestability and/or efficiency in these markets. Finally, the paper discusses some implications for tests of the effect of concentration on monetary policy transmission.
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Rating Agency Actions and the Pricing of Debt and Equity of European Banks: What Can we Infer About Private Sector Monitoring of Bank Soundness?
Reint E. Gropp, A. J. Richards
Economic Notes,
No. 3,
2001
Abstract
The recent consultative papers by the Basel Committee on Banking Supervision has raised the possibility of an explicit role for external rating agencies in the assessment of the credit risk of banks’ assets, including interbank claims. Any judgement on the merits of this proposal calls for an assessment of the information contained in credit ratings and its relationship to other publicly available information on the financial health of banks and borrowers. We assess this issue via an event study of rating change announcements by leading international rating agencies, focusing on rating changes for European banks for which data on bond and equity prices are available. We find little evidence of announcement effects on bond prices, which may reflect the lack of liquidity in bond markets in Europe during much of our sample period. For equity prices, we find strong effects of ratings changes, although some of our results may suffer from contamination by contemporaneous news events. We also test for pre-announcement and post-announcement effects, but find little evidence of either. Overall, our results suggest that ratings agencies may perform a useful role in summarizing and obtaining non-public information on banks and that monitoring of banks’ risk through bond holders appears to be relatively limited in Europe. The relatively weak monitoring by bondholders casts some doubt on the effectiveness of a subordinated debt requirement as a supervisory tool in the European context, at least until bond markets are more developed.
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Korean unification and banking system - An analysis in view of German experiences and Korean differences
Ralf Müller
IWH Discussion Papers,
No. 139,
2001
Abstract
One of the reforms that have to be launched in a future unification process in Korea, which seems possible after the political negotiations last year, is the transformation of the North Korean banking system. The question arises whether Korea could profit from the German experience where banking transformation was one of the rather few success stories in unification. In 1990 the East German banking transformation was achieved relatively fast and uncomplicated due to considerable direct investments of the West German banks compounded with state guarantees for bad loans resulting from the credit business with existing GDR-corporations. Unfortunately, South Korea currently lacks some major prerequesites that contributed to the German banking unification, among them – and probably the most important one – is the lack of a sound and efficient banking
system that could become active in the North. Consequently, depending on the circumstances of a future Korean unification either a more gradual process is recommended or, if inner-Korean migration requires a more dynamic transition, considerable investment by foreign banks and assistance from international organisations is recommended.
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Bank Relationships and Firm Profitability
Hans Degryse, Steven Ongena
Financial Management,
No. 1,
2001
Abstract
This paper examines how bank relationships affect firm performance. An empirical implication of recent theoretical models is that firms maintaining multiple bank relationships are less profitable than their single-bank peers. We investigate this empirical implication using a data set containing virtually all Norwegian publicly listed firms for the period 1979-1995. We find that profitability is substantially higher if firms maintain only a single bank relationship. We also find that firms replacing a single bank relationship are on average smaller and younger than firms not replacing a single bank relationship.
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Relationship Lending within a Bank-Based System: Evidence from European Small Business Data
Hans Degryse, Patrick Van Cayseele
Journal of Financial Intermediation,
No. 1,
2000
Abstract
We investigate relationship lending using detailed contract information from nearly 18,000 bank loans to small Belgian firms operating within the continental European bank-based system. Specifically, we investigate the impact of different measures of relationship strength on price and nonprice terms of the loan contract. We test for the possibility of rent shifting by banks. The evidence shows two opposing effects. On the one hand, the loan rate increases with the duration of a bank–firm relationship. On the other hand, the scope of a relationship, defined as the purchase of other information-sensitive products from a bank, decreases the loan's interest rate substantially. Relationship duration and scope thus have opposite effects on loan rates, with the latter being more important. We also find that the collateral requirement is decreasing in the duration of the relationship and increasing in its scope.
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