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Article
Publication date: 30 June 2010

Hwa-Joong Kim, Eun-Kyung Yu, Kwang-Tae Kim and Tae-Seung Kim

Dynamic lot sizing is the problem of determining the quantity and timing of ordering items while satisfying the demand over a finite planning horizon. This paper considers the…

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Abstract

Dynamic lot sizing is the problem of determining the quantity and timing of ordering items while satisfying the demand over a finite planning horizon. This paper considers the problem with two practical considerations: minimum order size and lost sales. The minimum order size is the minimum amount of items that should be purchased and lost sales involve situations in which sales are lost because items are not on hand or when it becomes more economical to lose the sale rather than making the sale. The objective is to minimize the costs of ordering, item , inventory holding and lost sale over the planning horizon. To solve the problem, we suggest a heuristic algorithm by considering trade-offs between cost factors. Computational experiments on randomly generated test instances show that the algorithm quickly obtains near-optimal solutions.

Details

Journal of International Logistics and Trade, vol. 8 no. 1
Type: Research Article
ISSN: 1738-2122

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Article
Publication date: 8 July 2014

Ariel Avgar, Eun Kyung Lee and WonJoon Chung

The purpose of this paper is to examine the moderating effect of discretion and social capital on the relationship between individual perceptions of team conflict and…

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Abstract

Purpose

The purpose of this paper is to examine the moderating effect of discretion and social capital on the relationship between individual perceptions of team conflict and employee-level outcomes. The authors propose that both employee discretion and unit-level social capital influence the negative effects of perceived conflict on employee stress and turnover intentions. They argue that an individual’s perceptions of these central organizational characteristics are likely to alter the consequences associated with conflict and the manner in which individuals respond to it.

Design/methodology/approach

This study empirically tests the moderating effects of discretion and unit-level social capital on the relationship between individual’s perception of team conflict and employee-level outcomes. Analysis was conducted with survey data from a sample of health care care providers in 90 units across 20 nursing home organizations. We applied hierarchical linear modeling analyses to test our hypotheses.

Findings

Results demonstrate that employee discretion moderates the relationship between perceived task conflict and job stress. Unit-level social capital was shown to moderate the relationship between perceived relationship conflict and employee turnover intentions. Our findings also document a varied moderation effect at low to moderate levels of conflict versus high levels of conflict. This finding suggests that the moderating role of contextual variables is more nuanced and complex than the existing conceptual frameworks acknowledge.

Research limitations/implications

This study contributes to the research on conflict and conflict management by extending a multilevel approach to the effect of conflict and by providing new insights regarding the contextual manner in which conflict affects workplace outcomes.

Practical implications

The effects of discretion and unit-level social capital on how conflict is metabolized by organizations and their members varied. Contextual factors matter differently for different individual level outcomes. In attempting to manage the consequences associated with workplace conflict, organizations and their managers must consider different contextual factors.

Originality/value

This study contributes to the research on conflict and its management in organization by providing new insights regarding the contextual manner in which conflict affects organizational and individual outcomes. This study provides support for the claim that the relational and task-related context under which employees experience conflict affects employee stress levels and the extent to which they report their intentions to leave the organization.

Details

International Journal of Conflict Management, vol. 25 no. 3
Type: Research Article
ISSN: 1044-4068

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