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首页> 外文期刊>The Journal of Business >Should Banks Be Diversified? Evidence from Individual Bank Loan Portfolios
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Should Banks Be Diversified? Evidence from Individual Bank Loan Portfolios

机译:银行应该多元化吗?个人银行贷款组合的证据

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We study the effect of loan portfolio focus versus diversification on the return and the risk of 105 Italian banks over the period 1993-99 using data on bank-by-bank exposures to different industries and sectors. We find that diversification is not guaranteed to produce superior performance and/or greater safety for banks. For high-risk banks, diversification reduces bank return while producing riskier loans. For low-risk banks, diversification produces either an inefficient risk-return trade-off or only a marginal improvement. Our results are consistent with a deterioration in the effectiveness of bank monitoring at high risk-levels and upon lending expansion into newer or competitive industries.
机译:我们使用关于不同行业和行业的逐个银行敞口数据,研究了贷款组合重点与多样化对1993-99年期间105家意大利银行的收益和风险的影响。我们发现,多样化并不能保证为银行带来卓越的绩效和/或更高的安全性。对于高风险的银行,多样化会降低银行的收益,同时产生高风险的贷款。对于低风险的银行来说,分散投资要么会导致效率低下的风险收益权衡,要么只会带来微不足道的改善。我们的结果与高风险水平和向新兴或竞争性行业贷款扩张时银行监控有效性的恶化相吻合。

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