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Open Access
Article
Publication date: 28 July 2023

Karunamunige Sandun Madhuranga Karunamuni, Ekanayake Mudiyanselage Kapila Bandara Ekanayake, Subodha Dharmapriya and Asela Kumudu Kulatunga

The purpose of this study is to develop a novel general mathematical model to find the optimal product mix of commercial graphite products, which has a complex production process…

Abstract

Purpose

The purpose of this study is to develop a novel general mathematical model to find the optimal product mix of commercial graphite products, which has a complex production process with alternative sub-processes in the graphite mining production process.

Design/methodology/approach

The network optimization was adopted to model the complex graphite mining production process through the optimal allocation of raw graphite, byproducts, and saleable products with comparable sub-processes, which has different processing capacities and costs. The model was tested on a selected graphite manufacturing company, and the optimal graphite product mix was determined through the selection of the optimal production process. In addition, sensitivity and scenario analyses were carried out to accommodate uncertainties and to facilitate further managerial decisions.

Findings

The selected graphite mining company mines approximately 400 metric tons of raw graphite per month to produce ten types of graphite products. According to the optimum solution obtained, the company should produce only six graphite products to maximize its total profit. In addition, the study demonstrated how to reveal optimum managerial decisions based on optimum solutions.

Originality/value

This study has made a significant contribution to the graphite manufacturing industry by modeling the complex graphite mining production process with a network optimization technique that has yet to be addressed at this level of detail. The sensitivity and scenario analyses support for further managerial decisions.

Details

International Journal of Industrial Engineering and Operations Management, vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 2690-6090

Keywords

Open Access
Book part
Publication date: 1 December 2022

Agnès Vandevelde-Rougale and Patricia Guerrero Morales

This chapter looks at the discursive dimension of the working environment in research and higher education organizations; more specifically at neoliberal managerial discourse and…

Abstract

This chapter looks at the discursive dimension of the working environment in research and higher education organizations; more specifically at neoliberal managerial discourse and at how it participates in shaping the way researchers, teachers and support staff perceive themselves and their experiences. It is based on a multiple case study and combines an intersectional and a socio-clinical approach. The empirical data is constituted by in-depth interviews with women conducted in Ireland and Chile, and includes some observations made in France. A thematic analysis of individual narratives of self-ascribed experiences of being bullied enables to look behind the veil drawn by managerial discourse, thus providing insights into power vectors and power domains contributing to workplace violence. It also shows that workplace bullying may reinforce identification to undervalued social categories. This contribution argues that neoliberal managerial discourse, by encouraging social representations of “neutral” individuals at work, or else celebrating their “diversity,” conceals power relations rooting on different social categories. This process influences one’s perception of one’s experience and its verbalization. At the same time, feeling assigned to one or more of undervalued social category can raise the perception of being bullied or discriminated against. While research has shown that only a minority of incidents of bullying and discrimination are reported within organizations, this contribution suggests that acknowledging the multiplicity and superposition of categories and their influence in shaping power relations could help secure a more collective and caring approach, and thus foster a safer work culture and atmosphere in research organizations.

Open Access
Article
Publication date: 15 October 2021

Sau-wai Law

This paper aims to analyse the different requirements of Practice Direction 15.10 (which governs the process of family mediation in Hong Kong) and Practice Direction 31 (which…

1042

Abstract

Purpose

This paper aims to analyse the different requirements of Practice Direction 15.10 (which governs the process of family mediation in Hong Kong) and Practice Direction 31 (which governs the process of general mediation in Hong Kong), and to highlight the need to incorporate the spirit of family mediation into legislation to better protect children’s interest in a family dispute.

Design/Methodology/approach

The paper reviews and compares the content on Practice Direction 15.10 and Practice Direction 31 issued by Chief Justice of the Hong Kong Court of Final Appeal, and adopts interpretative and analytical approaches to evaluate their impact.

Findings

In an effort to promote parental responsibility-based negotiation in divorce proceeding, a missed opportunity in enacting the Children Proceedings (Parental Responsibility) Bill in 2015 might be a blessing in disguise as it offers another chance for policy makers to consider how to direct parties to negotiate and communicate, to seek and benefit from professional guidance on a continuous basis, and to seek alternative channels to resolve disputes other than the court room. The policy and the law advocating a switch from a “rights-based” to “responsibility-based” approach in handling children’s matters should be revisited by incorporating the spirit of family mediation into legislation.

Originality/value

Analyses are conducted through direct contextual review and documentary research. This paper conducts literal analysis of court guidance and unveils policy implications for the general public. It would be of interest to judicial officers, scholars and government officials concerning children’s rights and parental responsibility in divorce proceedings.

Details

Public Administration and Policy, vol. 24 no. 3
Type: Research Article
ISSN: 1727-2645

Keywords

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