II Implications of Dollarization for Financial Stability
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Ms. Anne Marie Gulde
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Mr. David S. Hoelscher
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Mr. Alain Ize
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Mr. Dewitt D Marston
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Mr. Gianni De Nicolo
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Abstract

Empirical evidence suggests that financial dollarization may increase the vulnerability of financial systems to solvency and liquidity risks. Simple cross-country estimates of the impact of dollarization on some key financial soundness indicators, while controlling for changes in underlying macro-volatility, are consistent with the hypothesis that increased dollarization may increase financial vulnerability. In particular, the variance of deposit growth is positively and significantly correlated with dollarization, suggesting that dollarized financial systems may be more exposed to credit cycles and liquidity risk (Table 3). Based on estimates of non-performing loans (NPLs) or a composite systemic risk measure, the Z-index, which measures the probability of insolvency of a firm, dollarized economies also may be more exposed to solvency risk (Box 3 and Table 4).

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