Search results

1 – 10 of 12
Article
Publication date: 1 February 2000

LIXIN ZENG

This article briefly reviews the background of weather derivatives. The primary goal is to develop a pricing scheme that accommodates and reflects their unique characteristics…

Abstract

This article briefly reviews the background of weather derivatives. The primary goal is to develop a pricing scheme that accommodates and reflects their unique characteristics. Because the underlying indexes of weather derivatives are not traded, a no‐arbitrage model cannot be directly applied for the purpose of pricing. The actuarial technique is a feasible choice but cannot be applied in the traditional fashion, because the historical data are characterized by long‐term variability and trends that are difficult to define and correct based purely on the data. The pricing scheme developed in this article attempts to address these concerns by combining information from both empirical analysis of historical data and numerical simulations.

Details

The Journal of Risk Finance, vol. 1 no. 3
Type: Research Article
ISSN: 1526-5943

Article
Publication date: 1 January 2001

Lixin Zeng

This article provides a general introduction to using catastrophe models to optimally manage the risk of a portfolio of Property & Casualty (P&C) liabilities. There is increasing…

Abstract

This article provides a general introduction to using catastrophe models to optimally manage the risk of a portfolio of Property & Casualty (P&C) liabilities. There is increasing emphasis on the enterprise‐wide allocation of risk capacity for all financial intermediaries, e.g. banks, pensions, investment funds, as well as life and P&C insurers. The optionality (the skewness, kurtosis, and correlation with asset risk) of liability risks contribute substantially to earnings volatility. The severity of low‐probability events, i.e. natural catastrophes (e.g. hurricanes, earthquakes), combined with increases in geographic concentrations of wealth can adversely affect the diversification of the liability risk at the portfolio level. Since in both finance and insurance, optimally allocating risk at the portfolio level is generally based on (linear) combinations of nonlinear risks, finding an optimal allocation is not always tractable. The author describes a well‐established optimization algorithm and produces a reasonable approximation for an optimal solution.

Details

The Journal of Risk Finance, vol. 2 no. 2
Type: Research Article
ISSN: 1526-5943

Article
Publication date: 1 March 2000

LIXIN ZENG

Industry loss index‐based risk transfer and management instruments such as the industry loss warranty (ILW) and other catastrophe insurance derivative products have proliferated…

Abstract

Industry loss index‐based risk transfer and management instruments such as the industry loss warranty (ILW) and other catastrophe insurance derivative products have proliferated in recent years. This article introduces an alternative measure of the ILW basis risk, specifically the conditional probability that the ILW policy does not pay out, given an actual loss sustained by the policyholder that exceeds some critical level. The author also discusses the effectiveness of upwardly oriented basis risk in reducing loss volatility. After introducing guidelines for choosing between an ILW and traditional reinsurance, the article concludes that a properly structured ILW can be an effective and innovative instrument for a large insurer or reinsurer to manage the severity and volatility of catastrophe losses, but not necessarily, for a medium‐sized or small (re)insurer. Although this article focuses on ILWs, the general methodology and conclusions presented are applicable to other index‐based risk transfer products.

Details

The Journal of Risk Finance, vol. 1 no. 4
Type: Research Article
ISSN: 1526-5943

Article
Publication date: 1 February 2005

Lixin Zeng

Demonstrates the feasibility of, and introduces a practical approach to enhancing, reinsurance efficiency using index‐based instruments.

1152

Abstract

Purpose

Demonstrates the feasibility of, and introduces a practical approach to enhancing, reinsurance efficiency using index‐based instruments.

Design/methodology/approach

First reviews the general mathematical framework of reinsurance optimization. Next, illustrates how index‐based instruments can potentially enhance reinsurance efficiency through a simple yet self‐contained example. The simplicity allows the analytical examination of the cost and benefits of an index‐based contract. Finally, introduces a real‐world model that optimizes index‐based reinsurance instruments using the genetic algorithm.

Findings

Identifies the key factors that determine the efficiency of index‐based reinsurance contracts and demonstrates that, in the property catastrophe reinsurance market, the combined effect of these factors frequently allows the construction of an index‐based hedging program that is more efficient than a traditional excess‐of‐loss reinsurance contract. A robust optimization model based on the genetic algorithm is introduced and shown to be effective in optimizing index‐based reinsurance contracts.

Research limitations/implications

Most financial optimization procedures are subject to parameter risk, which can adversely affect the robustness of their solutions. The reinsurance optimization approach presented in this paper is not completely immune from this problem. It remains a challenging problem for actuarial researchers and practitioners.

Practical implications

The concept and method proposed in this paper can be applied to designing real‐world reinsurance programs.

Originality/value

This paper makes two contributions to the risk finance literature: a systematic approach for evaluating the costs and benefits of index‐based reinsurance instruments, and an innovative and practical model for optimizing reinsurance efficiency.

Details

The Journal of Risk Finance, vol. 6 no. 1
Type: Research Article
ISSN: 1526-5943

Keywords

Article
Publication date: 1 February 2002

PATRICE PONCET and VICTOR E. VAUGIRARD

In this article, the authors develop an arbitrage approach to valuing insurance‐linked securities (ILS) for non‐catastrophic events within a framework of stochastic interest…

Abstract

In this article, the authors develop an arbitrage approach to valuing insurance‐linked securities (ILS) for non‐catastrophic events within a framework of stochastic interest rates. The prices of these transactions are driven by both an interest rate process and a non‐trivial actuarial risk process. The authors find that the duration of ILS is, in most cases, higher than the Macaulay duration of risk‐free bonds, which implies that the alleged relative out‐performance of ILS is illusory.

Details

The Journal of Risk Finance, vol. 3 no. 3
Type: Research Article
ISSN: 1526-5943

Article
Publication date: 1 March 2002

SYLVIE BOURIAUX and DAVID T. RUSSELL

The recent trend of integrated risk management has resulted in corporations reassessing their risk management practices. Insurance derivatives and insurance‐linked securities are…

Abstract

The recent trend of integrated risk management has resulted in corporations reassessing their risk management practices. Insurance derivatives and insurance‐linked securities are emerging as alternatives or complements to traditional resisurance capacity. Despite its theoretical benefits, the market for insurance‐linked transactions has not matured, due to problems of information asymmetry and lack of transparency. This article proposes a solution to resolve the conflicting interests preventing insurers/reinsurers and investors from more widely trading insurance risk.

Details

The Journal of Risk Finance, vol. 3 no. 4
Type: Research Article
ISSN: 1526-5943

Open Access
Article
Publication date: 11 November 2021

Danish Ahmed, Xie Yuantao and Umair Saeed Bhutta

Insurance companies exist to manage the risk of others, which is why they are perceived to be competitive in risk management (RM). Considering this, we investigate how different…

2908

Abstract

Purpose

Insurance companies exist to manage the risk of others, which is why they are perceived to be competitive in risk management (RM). Considering this, we investigate how different RM capabilities make insurers effective in RM. These capabilities include understanding risk and risk management (URRM), risk identification (RI), risk assessment and analysis (RAA) and risk monitoring (RMON) activities in insurance companies. In addition, the authors probe how these capabilities can jointly yield a competitive advantage for the insurance industry under the resource-based view (RBV) and dynamic capabilities perspective (DCP).

Design/methodology/approach

The authors present a latent variable RM model for the insurance industry and employ structural equation modeling (SEM) to test the hypotheses. Furthermore, the authors also conduct confirmatory factor analysis (CFA) and convergent and discriminant validity analysis for model fit and invariance testing, respectively.

Findings

The results show that insurers who investigated RM-related capabilities directly influence their risk management practices (RMPs). Moreover, improving these capabilities will make insurers more effective in managing the risks of others. Thus, RM as a business process will yield a competitive advantage for the insurance sector. The findings are supported by the theoretical insights presented by the RBV and DCP. Furthermore, the model also adheres to the convergent and discriminant validity cut-off values.

Originality/value

To the best of the authors’ knowledge, this is the first study examining insurers' RM practices as a source of a competitive advantage.

研究目的

保險公司存在的目的是為其它公司或個人管理其風險;因此,保險公司在風險管理方面、被認為具有競爭能力。故此、我們擬研究不同的風險管理能力是如何能使保險公司有效地管理風險的呢?這些風險管理能力包括對風險及風險管理之了解、風險辨識、風險評估和分析,以及在保險公司內的風險監控活動。再者,我們探究這些風險管理能力如何根據資源基礎觀點及動態能力理論共同為保險業創造競爭優勢。

研究方法

我們為保險業展示一個潛在變項風險管理模型,並使用結構方程模型,來測試我們的假設;而且,我們為模型適配度而進行了驗證性因素分析,又為不變性檢定而進行了驗證輻合及驗證區別效度分析。

研究結果

研究結果顯示、若保險公司審査與風險管理相關之能力,這會直接影響其對風險管理之措施;而且,若保險公司能改善其風險管理之能力,這會使它們更有效地管理其它公司或個人的風險。因此,作為業務過程的一環、風險管理會為保險業創造競爭優勢。我們的研究結果,得到資源基礎理論及動態能力理論提供之理論見解所支持;而且,我們的模型從附驗證輻合及驗證區別效度的截止值。

研究的原創性

據我們所知,本研究為首個研究、去探討保險公司的風險管理措施如何為它們創造競爭優勢。

Details

European Journal of Management and Business Economics, vol. 31 no. 3
Type: Research Article
ISSN: 2444-8451

Keywords

Article
Publication date: 21 May 2024

Lixin Sheng, Jianlin Wu and Jibao Gu

Drawing from the resource-based view (RBV), this study aims to develop a parsimonious model in the context of digital platforms that links strategic network resources (SNR) and…

Abstract

Purpose

Drawing from the resource-based view (RBV), this study aims to develop a parsimonious model in the context of digital platforms that links strategic network resources (SNR) and firm performance through considering dynamic capabilities (DC) as important mediating mechanisms. In addition, we also investigate how platform monitoring shapes the relationship between SNR and DC.

Design/methodology/approach

This study uses the survey data from 162 firms in eastern China.

Findings

The findings indicate that both two DC dimensions (i.e., sensing and reconfiguring) significantly mediate the relationship of SNR-performance. Moreover, platform monitoring positively moderates the relationship of SNR and sensing as well as SNR and reconfiguring.

Originality/value

With these findings, this study advances SNR and digital platform research and provides insights into how to transform SNR into superior performance through DC.

Details

Journal of Business & Industrial Marketing, vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 0885-8624

Keywords

Article
Publication date: 2 May 2018

Jiuli Yin, Lishuang Bian, Qin Fan, Xinghua Fan, Huaqiang Ai and Lixin Tian

This paper aims to study the oscillation phenomenon before chaos as well as its mechanism of occurrence in the energy-saving and emission-reduction system.

Abstract

Purpose

This paper aims to study the oscillation phenomenon before chaos as well as its mechanism of occurrence in the energy-saving and emission-reduction system.

Design/methodology/approach

The system dynamics analysis, phase portrait analyses, equilibrium point analysis and bifurcation curve were applied to this paper.

Findings

First, the authors find an oscillation phenomenon previous to chaos. Second, on the one hand, the existence of two unstable saddles is the reason for the occurrence of oscillation phenomenon. On the other hand, the increasing of carbon emissions can arouse oscillation phenomenon.

Originality/value

This paper finds an oscillation phenomenon previous to chaos in the energy-saving and emission-reduction system. The mechanism of occurrence of oscillation phenomenon is studied. The existence of two unstable saddles is the reason for the occurrence of such oscillation phenomenon. The oscillation is related with fold bifurcation. The study also provides a theoretical basis for the further study of chaos control.

Article
Publication date: 2 January 2024

Wenlong Cheng and Wenjun Meng

This study aims to solve the problem of job scheduling and multi automated guided vehicle (AGV) cooperation in intelligent manufacturing workshops.

Abstract

Purpose

This study aims to solve the problem of job scheduling and multi automated guided vehicle (AGV) cooperation in intelligent manufacturing workshops.

Design/methodology/approach

In this study, an algorithm for job scheduling and cooperative work of multiple AGVs is designed. In the first part, with the goal of minimizing the total processing time and the total power consumption, the niche multi-objective evolutionary algorithm is used to determine the processing task arrangement on different machines. In the second part, AGV is called to transport workpieces, and an improved ant colony algorithm is used to generate the initial path of AGV. In the third part, to avoid path conflicts between running AGVs, the authors propose a simple priority-based waiting strategy to avoid collisions.

Findings

The experiment shows that the solution can effectively deal with job scheduling and multiple AGV operation problems in the workshop.

Originality/value

In this paper, a collaborative work algorithm is proposed, which combines the job scheduling and AGV running problem to make the research results adapt to the real job environment in the workshop.

Details

Robotic Intelligence and Automation, vol. 44 no. 1
Type: Research Article
ISSN: 2754-6969

Keywords

1 – 10 of 12