Hot answers tagged fixed-income
A good piece of literature on this is Colin-Dufresne et al. (2001), "The Determinants of Credit Spread Changes", Journal of Finance, 56, 2177-2207. I think differencing all variables is a good idea in this case. Not only because of stationarity concerns but also because of unobserved time-invariant issuer-level characteristics. I do not see the case for a ...
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