MAP20100085622 Cummins, David J. The Impact of rate regulation in U.S. property-liability insurance markets : a cross-sectional analysis of individual firm loss ratios / David J. Cummins, Scott E. Harrington En: Geneva papers on risk and insurance : issues and practice. - Geneva : The Geneva Association, 1976- = ISSN 1018-5895. - 01/01/1987 Tomo 12 Número 42 - 1987 I. Harrington, Scott E. .