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新兴市场的期限溢价与信用风险:美国货币政策的作用

Term premia and credit risk in emerging markets: The role of U.S. monetary policy
Journal of International Economics · 2025 · Pavel Solís

中文摘要

本文研究美国货币政策如何传导至新兴市场的主权收益率,同时不忽略信用风险。为量化这些效应,我首先利用日内数据识别美国货币政策中不同类型的意外冲击,进而提出一种新的(三部分)分解方法,用以刻画新兴市场收益率并纳入信用风险。我发现,美国货币政策的意外冲击会导致新兴市场对政策利率预期的重估,以及利率风险与信用风险的重新定价。具体而言,投资者预期新兴市场的货币当局会跟随美国央行的货币政策立场而非与之相抗衡;美国非常规货币政策对新兴市场期限溢价的传导方式与美国期限溢价类似;新兴市场的主权信用风险会对美国货币政策的变化作出反应。

Abstract

This paper studies how U.S. monetary policy transmits to the sovereign yields of emerging markets without ignoring credit risk. To quantify the effects, I first identify different types of surprises in U.S. monetary policy using intraday data, and then propose a novel (three-part) decomposition of emerging market yields that accounts for credit risk. I find that surprises in U.S. monetary policy lead to a reassessment of policy rate expectations and a repricing of interest rate and credit risks in emerging markets. Specifically, investors expect monetary authorities in emerging markets to follow the monetary stance of the U.S. central bank rather than counteract it, unconventional U.S. monetary policies transmit to the term premia in emerging markets similarly to the U.S. term premium, and the sovereign credit risk in emerging markets responds to changes in U.S. monetary policy.
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