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Risks, Volume 9, Issue 10

October 2021 - 14 articles

Cover Story: The concordance probability, also called the C-index, is a popular measure to capture the discriminatory ability of a predictive model. We have adapted the definition of this measure to the specific needs of the frequency and severity model, typically used during the technical pricing of a non-life insurance product. For the frequency model, three new types of the concordance probability are defined, designed to deal with the concept of exposure, i.e., the duration of a policy or insurance contract. Frequency data typically have a large sample size, and therefore, we present two fast and accurate estimation procedures for big data. We also present the concordance probability adapted for severity models. View this paper
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Articles (14)

  • Article
  • Open Access
6 Citations
4,169 Views
19 Pages

29 September 2021

The aim of this paper is to provide a stochastic model useful for assessing the capital requirement for demographic risk in a framework coherent with the Solvency II Directive. The model extends to the market consistent context classical methodologie...

  • Article
  • Open Access
3 Citations
9,830 Views
14 Pages

28 September 2021

We study whether gold acts as a hedge or a safe haven in U.S. and the Indian stock markets. These two stock markets have been chosen as representatives of the developed markets and the emerging markets, respectively, and are of significant interest t...

  • Article
  • Open Access
2 Citations
2,861 Views
14 Pages

27 September 2021

Purpose This paper aims to study the specifics of managing the risks of innovative activities during the implementation of the Sustainable Development Goals (SDGs) in entrepreneurship that is focused on the consumer market in countries with different...

  • Article
  • Open Access
34 Citations
13,157 Views
14 Pages

ESG Disclosure and Portfolio Performance

  • Ramón Bermejo Climent,
  • Isabel Figuerola-Ferretti Garrigues,
  • Ioannis Paraskevopoulos and
  • Alvaro Santos

24 September 2021

This paper illustrates the impact of Environmental Social and Governance (ESG) disclosure on European corporate equity performance. In this study, we use an extensive data set of European ESG ratings provided by Bloomberg to demonstrate that ESG disc...

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Risks - ISSN 2227-9091