Applications of Statistics in the Field of General Insurance: An Overview

Yves L. Grize

International Statistical Review, 2015, vol. 83, issue 1, 135-159

Abstract: type="main" xml:id="insr12066-abs-0001"> This is an expository paper on applications of statistics in the field of general insurance, also called non-life insurance. Unlike life insurance where advanced statistical techniques have long been part of financial mathematics and actuarial applications, their use is only relatively recent in non-life insurance. The business model of insurance companies, especially those active in non-life insurance, has seen dramatic changes over the last 15 years. The aim of this paper is to convince the readers that especially today non-life insurance is not only an exciting ground to apply existing modern statistical tools but also a fertile environment for new and challenging statistical developments. The activities of an insurance company can be viewed as an industrial process where data management and data analysis play a key role. That is why a fundamental understanding of data-related issues (such as data quality, variability, analysis and correct interpretation) is so essential to the insurance business. These are exactly the tasks where professional statisticians excel. Also, a better understanding of the field of general insurance by statisticians will promote fruitful exchanges between actuaries and statisticians, thereby helping to bring actuarial and statistical professional societies closer to each other. Selected examples are used to cover the essential aspects of general insurance, and all of them are based on the author's experience. The paper concludes with some remarks on the role of statisticians working in general insurance.

Date: 2015
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