Experience
Publications
Read their latest work
Article
Reducing the number of scenarios used for stochastic ALM valuation
05 September 2023 - by Pierre-Edouard Arrouy, Jérémy Beaudet, Mohammed Bennouna, Steven Francois, Alison Tonin
We offer some valuable insights into scenario reduction and trajectory selection for stochastic ALM valuation that could help improve results and minimize computation.
Article
Impact of credit data for the valuation of insurance liabilities
12 July 2023 - by Pierre-Edouard Arrouy, Emmanuel Avril, David Baranes (S&P Global), Adrien Cortes, Rashi Garg (S&P Global), Leo Tondolo
In the valuation of insurance liabilities, using high-quality credit data reduces the need for excessive constraints in the calibration process.
Article
A new hybrid Random Number Generator for more accurate valuation of insurance liabilities
12 December 2022 - by Hervé Andrès, Pierre-Edouard Arrouy, Paul Bonnefoy, Alexandre Boumezoued
Increasing use of stochastic economic scenarios for valuation of liabilities has put more pressure on the operational process of carriers, but the RNG can help.
Article
Calibration accuracy of three variants of the Libor Market Model
01 December 2022 - by Pierre-Edouard Arrouy, Paul Bonnefoy, Elias Bouiti, Alexandre Boumezoued, Julien Vedani
We highlight a Libor market model with constant elastic volatility, showing an interesting trade-off between parameters used and quality of results.
Article
Neural network calibration of the DDSVLMM interest rates model, and application to weights calculation
29 November 2021 - by Pierre-Edouard Arrouy, Paul Bonnefoy, Alexandre Boumezoued, Yousra Cherkaoui Tangi, Grzegorz Darkiewicz, Sophian Mehalla
We present a calibration technique for one complex risk neutral model, relying on neural networks and significantly reducing computational time.
Article
Challenges in the calibration of real world models within Economic Scenarios Generators
16 September 2021 - by Hervé Andrès, Pierre-Edouard Arrouy, Paul Bonnefoy, Alexandre Boumezoued, Sophian Mehalla, Julien Vedani
Learn why the best economic scenario generator solution provides the choice of different methods and what challenges real world models pose.
Article
A review of the Solvency II equity shock
08 September 2021 - by Hervé Andrès, Pierre-Edouard Arrouy, Alexandre Boumezoued, Eric Serant
We explore a new methodology to show lower equity shocks, since stock markets are mean-reverting and insurers hold equities for the long-term.
Article
Setting discount rates under IFRS 17: Getting the job done - Paper 3: Some practical considerations for reference portfolios
01 June 2021 - by Pierre-Edouard Arrouy, Charles Boddele, Grzegorz Darkiewicz, Russell Ward
While setting the overall discount rate under IFRS 17 might seem overwhelming, we give some practical considerations to get the job done.
Article
Setting discount rates under IFRS 17: Getting the job done—Paper 2: Setting the approach
10 February 2021 - by Pierre-Edouard Arrouy, Charles Boddele, Grzegorz Darkiewicz, Russell Ward, Freek Zandbergen, Sihong Zhu
This paper is part of a series covering the overall process for discount rates under IFRS 17, specifically the number of steps required to set a discount rate.
Article
Setting discount rates under IFRS 17: Getting the job done
13 October 2020 - by Pierre-Edouard Arrouy, Charles Boddele, Thomas Bulpitt, Grzegorz Darkiewicz, Russell Ward, Freek Zandbergen, Sihong Zhu
IFRS 17 requires preparers of accounts to derive discount rates for the valuation of the cash flows associated with their insurance contracts.