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This paper explores the sovereign-bank nexus in emerging markets and developing economies: the interconnectedness between the health of the sovereign and the banking system. Data from 140 emerging markets and developing economies suggest that this nexus is rising. First, banks have increased their exposure to their sovereigns in the past decade. Second, government debt has grown, and fiscal positions have deteriorated, raising the specter of sovereign stress. Third, banking system assets and bank credit to the private sector have steadily increased, which may restrict the sovereign's capacity to contain a banking crisis. Fourth, empirical evidence from 36 emerging markets and developing economies documents the existence of the nexus and suggests that it has increased recently. However, deeper country analysis is required for a better understanding of the sovereign-bank nexus, given country idiosyncrasies, including the structure of sovereign debt and the composition of the investor base, and data lags and opacities. To minimize the adverse effects of the sovereign-bank nexus, efforts should be focused on maintaining fiscal and bank buffers, strengthening surveillance and supervision of the banking system, improving transparency and data quality of bank-sovereign linkages, better addressing the regulatory treatment of the sovereign exposures and government support of the banking sector, and carefully evaluating the policy trade-offs in the sovereign-bank nexus.

Using the universe of all externally issued bonds by corporates and sovereigns in emerging and developing economies during 2000-14, this paper analyzes various issuance trends, including the unprecedented post-crisis surge. The paper focuses on external issuance at the country-industry and individual bond levels and finds that global factors matter greatly for emerging and developing economies issuance. A decrease in U.S. expected equity market (or interest rate) volatility, U.S. corporate credit spreads, and U.S. interbank funding costs and an increase in the Federal Reserve’s balance sheet (i) raise the odds that the monthly issuance volume of a country-industry is above its historical average; (ii) decrease individual bond yields and spreads; and (iii) raise bond maturities, after controlling for country pull factors, bond characteristics (for example, type of issuer, industry, and riskiness). Additionally, we document support that the risk-taking channel of exchange rate appreciation also operates for external bond issuance. Moreover, while the paper finds that country pull factors affect the impact of global factors, it does not find consistent evidence for this across the board. This result suggests that, during loose global funding conditions, flows are mostly driven by push factors and do not systematically discriminate between emerging and developing economies. Taken together, the findings suggest that although issuers might be able to benefit from benign international funding conditions, the large issuance volumes, currency risks, and high exposure to global factors could pose external and domestic challenges for policy makers, particularly when global cycles reverse.