Privacy concerns in insurance markets: Implications for market equilibria and customer utility

被引:0
作者
Gemmo, Irina [1 ]
Browne, Mark J. [2 ]
Gruendl, Helmut [3 ]
机构
[1] HEC Montreal, Montreal, PQ, Canada
[2] St Johns Univ New York, New York, NY USA
[3] Goethe Univ, Frankfurt, Germany
来源
CANADIAN JOURNAL OF ECONOMICS-REVUE CANADIENNE D ECONOMIQUE | 2025年 / 58卷 / 02期
关键词
ADVERSE SELECTION; CATEGORICAL DISCRIMINATION; ENDOGENOUS INFORMATION; COMPETITIVE EQUILIBRIA; RISK CLASSIFICATION; WELFARE ECONOMICS; LIFE-INSURANCE; EFFICIENCY; PERFORMANCE; DISCLOSURE;
D O I
10.1111/caje.70004
中图分类号
F [经济];
学科分类号
02 ;
摘要
We analyze insurance market outcomes and customer utility under asymmetric information when customers have heterogeneous privacy concerns and access to a screening technology that permits their private information to be revealed. If the market outcome without the technology is of the Rothschild-Stiglitz type, so too is the market outcome with the technology for those who do not submit to the screening technology and thus retain their private information. Low-risk customers who reveal their private information are better off and those who do not reveal their risk type are no worse off, resulting in a Pareto improvement. If, however, the market outcome without the technology is of the Wilson-Miyazaki-Spence type, the market may no longer exhibit cross-subsidies after the screening technology is introduced. In this case, low-risk customers who reveal their risk type are better off, but this is at the expense of those who do not reveal their risk type, who are worse off due to intensified adverse selection. The negative externality on those who do not reveal their risk type can outweigh the utility gains of those low-risk customers who do reveal their risk type, resulting in lower expected welfare. In this case, a privacy law would improve expected welfare. Le respect de la vie priv & eacute;e sur les march & eacute;s de l'assurance : incidence sur l'& eacute;quilibre des march & eacute;s et l'utilit & eacute; pour le client. Nous analysons les r & eacute;sultats des march & eacute;s de l'assurance et l'utilit & eacute; pour le client en cas d'asym & eacute;trie d'information, lorsque les clients ont des pr & eacute;occupations h & eacute;t & eacute;rog & egrave;nes en mati & egrave;re de respect de la vie priv & eacute;e et qu'ils ont acc & egrave;s & agrave; des technologies de d & eacute;pistages qui permettent de r & eacute;v & eacute;ler leurs renseignements personnels. Si le r & eacute;sultat du march & eacute; sans la technologie est du type Rothschild-Stiglitz, il en va de m & ecirc;me pour le r & eacute;sultat avec la technologie pour les personnes qui n'utilisent pas la technologie de d & eacute;pistage et conservent donc leurs renseignements personnels. Les personnes & agrave; faible risque qui r & eacute;v & egrave;lent leurs renseignements personnels s'en sortent mieux et celles qui ne r & eacute;v & egrave;lent pas leur type de risque ne s'en sortent pas plus mal, ce qui se traduit par une am & eacute;lioration de Pareto. Toutefois, si le r & eacute;sultat du march & eacute; sans la technologie est de type Wilson-Miyazaki-Spence, le march & eacute; peut ne plus pr & eacute;senter d'interfinancement apr & egrave;s l'introduction de la technologie de d & eacute;pistage. Dans ce cas, les personnes & agrave; faible risque qui r & eacute;v & egrave;lent leur type de risque s'en sortent mieux, au d & eacute;triment de celles qui ne le r & eacute;v & egrave;lent pas, qui s'en sortent moins bien en raison de l'intensification de l'antis & eacute;lection. L'externalit & eacute; n & eacute;gative pour les gens qui ne r & eacute;v & egrave;lent pas leur type de risque peut l'emporter sur les gains d'utilit & eacute; des personnes & agrave; faible risque qui r & eacute;v & egrave;lent leur type de risque, ce qui se traduit par une baisse du bien-& ecirc;tre escompt & eacute;. Dans ce cas, une loi sur la protection de la vie priv & eacute;e am & eacute;liorerait le bien-& ecirc;tre attendu.
引用
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页码:484 / 514
页数:31
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