Ronald Richman

Old Mutual Insure

Wanooka Place

St Andrews Road

Johannesburg, 2192

South Africa

University of the Witwatersrand

1 Jan Smuts Avenue

Johannesburg, GA Gauteng 2000

South Africa

SCHOLARLY PAPERS

17

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36

CROSSREF CITATIONS

18

Scholarly Papers (17)

1.

AI in Actuarial Science

Number of pages: 53 Posted: 15 Aug 2018 Last Revised: 20 Aug 2018
Ronald Richman
Old Mutual Insure
Downloads 2,561 (6,579)
Citation 9

Abstract:

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Actuarial Science, Deep Learning, Machine Learning, Insurance, Telematics

2.

The Actuary and IBNR Techniques: A Machine Learning Approach

Number of pages: 53 Posted: 11 Nov 2020 Last Revised: 13 Nov 2020
Caesar Balona and Ronald Richman
QED Actuaries and Consultants and Old Mutual Insure
Downloads 891 (33,379)

Abstract:

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IBNR, machine learning, reserving, short-term insurance, non-life insurance

3.

A Neural Network Extension of the Lee-Carter Model to Multiple Populations

Number of pages: 21 Posted: 01 Nov 2018 Last Revised: 07 Nov 2018
Ronald Richman and Mario V. Wuthrich
Old Mutual Insure and RiskLab, ETH Zurich
Downloads 885 (33,723)
Citation 20

Abstract:

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Mortality forecasting, Lee-Carter model, Multiple Populations, Neural Networks

4.

Lee and Carter go Machine Learning: Recurrent Neural Networks

Number of pages: 30 Posted: 23 Aug 2019 Last Revised: 29 Aug 2019
Ronald Richman and Mario V. Wuthrich
Old Mutual Insure and RiskLab, ETH Zurich
Downloads 846 (36,058)
Citation 10

Abstract:

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recurrent neural network (RNN), long short-term memory (LSTM), gated recurrent unit (GRU), Lee-Carter (LC) model, mortality forecasting, feed-forward neural network (FNN)

5.

Neural Network Embedding of the Over-Dispersed Poisson Reserving Model

Number of pages: 30 Posted: 14 Dec 2018
Andrea Gabrielli, Ronald Richman and Mario V. Wuthrich
ETH Zurich, Department of Mathematics, RiskLab, Students, Old Mutual Insure and RiskLab, ETH Zurich
Downloads 676 (48,669)
Citation 10

Abstract:

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cross-classified over-dispersed Poisson model, neural network, model blending, nested models, learning across portfolios, claims reserving in insurance, chain-ladder reserves, mean square error of prediction

6.

Time-Series Forecasting of Mortality Rates using Deep Learning

Number of pages: 26 Posted: 04 Jun 2020
University of Naples Parthenope - Department of Management Studies and Quantitative Methods, Old Mutual Insure, University of Naples "Parthenope" and RiskLab, ETH Zurich
Downloads 508 (69,954)
Citation 8

Abstract:

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Mortality Forecasting, Recurrent Neural Networks, Convolutional Neural Networks, Representation Learning, Time-Series Forecasting, Lee Carter Model, Human Mortality Database

7.

Believing the Bot - Model Risk in the Era of Deep Learning

Number of pages: 40 Posted: 05 Sep 2019
Old Mutual Insure, QED Actuaries and Consultants and RiskLab, ETH Zurich
Downloads 390 (95,638)
Citation 8

Abstract:

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Deep learning, Model Risk, Pricing, Mortality Forecasting, Insurance Modelling

8.

Mind the Gap - Safely Incorporating Deep Learning Models into the Actuarial Toolkit

Number of pages: 63 Posted: 03 Jun 2021
Ronald Richman
Old Mutual Insure
Downloads 246 (156,589)
Citation 1

Abstract:

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Deep learning, actuarial science

9.

Interpreting Deep Learning Models with Marginal Attribution by Conditioning on Quantiles

Number of pages: 27 Posted: 22 Mar 2021
University of Hamburg, Old Mutual Insure, The Business School (formerly Cass), City, University of London and RiskLab, ETH Zurich
Downloads 226 (169,910)
Citation 1

Abstract:

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explainable AI (XAI), model-agnostic tools, deep learning, attribution, accumulated local e ects (ALE), partial dependence plot (PDP), locally interpretable model-agnostic explanation (LIME), variable importance, post-hoc analysis

10.

Using Machine Learning to Model Claims Experience and Reporting Delays for Pricing and Reserving

Number of pages: 44 Posted: 16 Oct 2019
Louis Rossouw and Ronald Richman
Gen Re - South Africa and Old Mutual Insure
Downloads 174 (215,411)

Abstract:

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machine learning, IBNR, experience analysis, reinsurers

11.

LocalGLMnet: interpretable deep learning for tabular data

Number of pages: 24 Posted: 26 Jul 2021
Ronald Richman and Mario V. Wuthrich
Old Mutual Insure and RiskLab, ETH Zurich
Downloads 162 (228,878)

Abstract:

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deep learning, neural networks, generalized linear model, regression model, variable selection, explainable deep learning, attention layer, tabular data, exponential dispersion family, Shapley values, SHapley Additive exPlanations (SHAP), integrated gradients

12.

Mortality Improvements in South Africa: Insights from Pensioner Mortality

Number of pages: 46 Posted: 28 Oct 2020
Ronald Richman and Gary Velcich
Old Mutual Insure and Alexander Forbes Financial Services (Pty) Ltd
Downloads 86 (361,237)

Abstract:

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Mortality, Lee Carter model, Neural Networks, Deep Learning, IFRS 17, Uncertainty quantification

13.

LASSO Regularization within the LocalGLMnet Architecture

Number of pages: 21 Posted: 24 Sep 2021
Ronald Richman and Mario V. Wuthrich
Old Mutual Insure and RiskLab, ETH Zurich
Downloads 52 (470,035)

Abstract:

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Deep learning, neural networks, LocalGLMnet, regression model, variable selection, regularization, LASSO, group LASSO, ridge regularization, Tikhonov regularization.

14.

Why the HAF Is Not the Head of the Actuarial Function?

Number of pages: 45 Posted: 18 Nov 2020
Professional Independent Director, Old Mutual Insure, QED Actuaries and Consultants and QED Actuaries and Consultants
Downloads 38 (532,168)

Abstract:

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Head of Actuarial Function, Actuarial Function

15.

Nagging Predictors

Risks 2020, 8(3), 83; https://doi.org/10.3390/risks8030083
Posted: 16 Jul 2020 Last Revised: 22 Mar 2021
Ronald Richman and Mario V. Wuthrich
Old Mutual Insure and RiskLab, ETH Zurich

Abstract:

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bagging, neural networks, network aggregation, insurance pricing, regression modeling

16.

Discrimination-Free Insurance Pricing

ASTIN Bulletin open access FirstView 2021 https://www.cambridge.org/core/journals/astin-bulletin-journal-of-the-iaa/article/discriminationfree-insurance-pricing/ED25C4053690E56050F437B8DF2AD117
Posted: 10 Feb 2020 Last Revised: 11 Oct 2021
Stockholm University, Old Mutual Insure, The Business School (formerly Cass), City, University of London and RiskLab, ETH Zurich

Abstract:

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discrimination, differentiation, insurance pricing, individual policy char- acteristics, discriminatory covariates, direct discrimination, indirect discrimination, neural networks, complex algorithmic models, causal inference, confounding

17.

Mortality Improvements -- The Case of South Africa

Posted: 02 Aug 2014 Last Revised: 28 Oct 2014
Ronald Richman and Matthew Simmons
Old Mutual Insure and University of the Witwatersrand

Abstract:

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Mortality Improvement, South Africa, Stochastic modeling