The financial sector which play a crucial role in the economy by intermediating the transfer of savings to productive investment opportunities is among the sectors that is affected deeply from financial crises. Financial crises result in a shrinkage of the total amount of the financial sector's...

We provide a tutorial that illuminates the aspects which need to be considered when fitting neural network regression models to claims frequency data in insurance. We discuss feature pre-processing, choice of loss function, choice of neural network architecture, class imbalance problem, balance...

The SWIM package implements a flexible sensitivity analysis framework, based primarily on results and tools developed by Pesenti et al. (2019). SWIM provides a stressed version of a stochastic model, subject to model components (random variables) fulfilling given probabilistic constraints...

The effective management of uncertainty and complexity in premium pricing and reserve accumulation processes provide new challenges to the decision- and policy- makers. In this regard, the implementation of complex mathematical tools and advanced statistical techniques is highly acquired. Over...

Çalışmanın amacı, hayat ve hayat dışı olmak üzere sigortacılık sektöründeki şirketlerin performanslarının Veri Zarflama Analizi (VZA) ve Kümeleme Analizi (KA) kullanılarak karşılaştırılmasıdır. Çalışmada öncelikle her iki gruptaki sigorta şirketlerinin 31.12.2005...

This analysis compares the cost efficiency of Islamic and conventional insurers operating in eight countries. We analyze data collected from 32 insurers using stochastic frontier analysis, data envelope analysis and a partial frontier approach with order-alpha free disposal hull. We compare the...

This paper contributes to the existing literature by examining the efficiency and competitiveness of the Takaful insurance. We employ the Data Envelopment Analysis (DEA) to compute the efficiency of Takaful operators, while Panzar-Rosse (P-R) H-statistic method is used to evaluate the degree of...

The proof of the theorem of existence of the ruptures, namely the proof of maximality, is improved. The theorem may be used in economics and explain the well-known problems such as Allais’ paradox. Illustrated examples of ruptures are presented.

Bu çalışma, 1990-2004 döneminde hayat-dışı alanlarda faaliyet gösteren Türk sigortacılık şirketlerinde teknik etkinliği incelemektedir. Bu doğrultuda iki yöntem kullanılmaktadır: Geleneksel veri zarflama analizi ve son dönemde geliştirilen şans-kısıtlı veri zarflama...

Bu çalışmada Türkiye’deki hayat-dışı sigorta şirketlerinin 1998 – 2003 yılları arasında göreli etkinlikleri incelenmiş ve bunun için veri zarflama analizinden yararlanılmıştır. Sigorta şirketlerinin veri zarflama analizi ile elde edilen etkinlik değerlerinin deprem ve...