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公司贷款二级市场对实体经济的影响

The effects of the secondary market for corporate loans on the real economy
Journal of Monetary Economics · 2026 · Miroslav Gabrovski、Ioannis Kospentaris、Lucie Lebeau

中文摘要

企业信贷的重要来源——公司贷款中,越来越多的部分被从银行资产负债表上出售,并在二级场外市场中积极交易。我们构建了一个包含劳动、信贷与金融市场的微观基础均衡搜寻理论模型,以研究这一二级贷款市场对实体经济的影响。我们的分析凸显了一个具有政策意义的权衡:该市场使稳态失业率下降 0.21 个百分点,但也使失业率对 1% 生产率下降的反应放大 0.07 个百分点。二级市场中的交易延迟具有显著影响:若交易能够即时完成,稳态失业率及其波动性将分别下降 1.49 个百分点和 0.24 个百分点。

Abstract

An increasing share of corporate loans, a critical source of firm credit, is sold off banks’ balance sheets and actively traded in a secondary over-the-counter market. We develop a microfounded equilibrium search-theoretic model with labor, credit, and financial markets to study the impact of this secondary loan market on the real economy. Our analysis highlights a policy-relevant trade-off: the market reduces the steady state level of unemployment by 0.21pp, but it also amplifies unemployment’s response to a 1% productivity drop by 0.07pp. Trading delays in the secondary market matter significantly: if trade were instantaneous, steady state unemployment and its volatility would decline by 1.49pp and by 0.24pp, respectively.
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