Do Credit Rating Agencies Add Value? Evidence from the Sovereign Rating Business Institutions
AbstractIf rating agencies add no new information to markets, their actions are not a public policy concern. But as rating changes may be anticipated, testing whether ratings add value is not straightforward. This paper argues that ratings and spreads are both noisy signals of fundamentals and suggest ratings add value if, controlling for spreads, they help explain other variables. The paper additionally analyzes the different actions (ratings and outlooks) of the three leading agencies for sovereign debt, also considering the differing effects of more or less anticipated events. The results are consistent across a wide range of tests. Ratings do matter and hence how the market for ratings functions may be a public policy concern.
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Bibliographic InfoPaper provided by Inter-American Development Bank, Research Department in its series Research Department Publications with number 4601.
Date of creation: Nov 2008
Date of revision:
Find related papers by JEL classification:
- F37 - International Economics - - International Finance - - - International Finance Forecasting and Simulation: Models and Applications
- G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies
- G15 - Financial Economics - - General Financial Markets - - - International Financial Markets
- C23 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Models with Panel Data; Longitudinal Data; Spatial Time Series
This paper has been announced in the following NEP Reports:
- NEP-ALL-2008-11-18 (All new papers)
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