Delaney, James B.; Honeycutt, T. Crawford - In: Bell Journal of Economics 7 (1976) 2, pp. 722-725
This comment examines a model of the determinants of electric utility R&D activity postulated by Wilder and Stansell. One of the defects in their empirical analysis is the failure to account for corporate interrelationships among the sample observations. Wilder and Stansell include as separate...