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A multivariate analysis of industrial bond ratings
Pinches, George E.; Mingo, Kent A. - In: The journal of finance : the journal of the American … 28 (1973) 1, pp. 1-18
Persistent link: https://www.econbiz.de/10002640563
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Additional evidence of heteroscedasticity in the market model
Bey, Roger P.; Pinches, George E. - In: Journal of financial and quantitative analysis : JFQA 15 (1980) 2, pp. 299-322
Persistent link: https://www.econbiz.de/10001909747