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This study aims to explore the mediating effects of role overload and job security on the relationship between leader–member exchange and work engagement and simultaneously examines the impact of role overload on employees’ job security.

By means of telephone and email, the study inquired eight international tourist hotels’ willingness, and questionnaires were distributed to employees of these hotels in 2014. The hotel employees were asked to participate, and they have the right to agree or not. After discarding unusable responses, 310 individual surveys ratings were collected from a total of 500 self-administrated questionnaires were distributed (a 62.0 per cent response rate).

The result indicates that role overload and job security have mediating effects on the relationship between leader–member exchange and work engagement. Also, role overload can positively influence job security.

To the best of our knowledge, this is the first study to examine the mediating roles of role overload and job security between LMX and work engagement, as well as the influence of role overload on job security. This study attempts to make contributions to human resource management literatures of hospitality and tourism.

The aim of this paper is to investigate an optimal promotional strategy of intra-category cross-selling on culinary products for the fiercely competitive, fast-moving consumer goods (FMCG) industry.

A linear regression model and a Markov switching autoregressive model is used, that incorporates a retailing demand process to capture a nonlinear structure among promotional budget allocation, and evaluate promotional performance, and optimal promotional frequency within a given time span. Three product categories are applied with 39 months of time-series data from a multinational packaged food company in Taiwan.

The result shows that most previous decisions on promotional budget allocation are non-optimal – most promotional investments were either extended too long or allocated too low in stimulating sales.

This study suggests implications for the brand or category manager in removing such non-optimal promotional policies.

Previous promotional investment is evaluated by comparing the changes in promotional budget allocation. Markov's switching feedback rules are then applied to determine the proper length of equilibrium state with and/or without promotion. Finally, effective decision rules on magnitude, duration, and frequency of intra-category promotional strategy are induced.

This study aims to provide insights on the influence of Muslim consumers’ knowledge on products subjected to contemporary fatwa ruling and their subsequent cognitive and behavioural responses.

MANOVA and MANCOVA were used to examine the influence of religious orientation on young Malaysian Muslims’ product knowledge, and the extent of religious orientation and gender on Muslim consumers’ attitude and behaviour towards three contemporary fatwa rulings of products.

Respondents’ religious orientation differentiates their knowledge on fatwa prohibition ruling of selected brand and behaviours. Consumers’ religious orientation and gender explain consumers’ behavioural responses to variables of the Theory of Planned Behaviour for three behaviours. Evidence suggests that ruling types affects (conditional and unconditional) consumers’ responses.

Greater insights are provided on Muslims’ motivation to search information of controversial products, and their subsequent perception and behavioural reactions to controversial products. Findings are limited to the Malaysian Muslim consumers.

The fact that contemporary fatwa reached young Muslim generations indicates that managers have to be wary of fatwa to predict Muslim consumers’ marketplace behaviours.

A significant number of young Malaysian Muslims are keeping abreast with contemporary fatwa. This suggests that they received an early and substantial exposure to Islamic way of life through their socialisation.

This study offer insights into the understandings of the young Muslim generation regarding contemporary fatwa on products, and revealed significant findings in relation to consumer product knowledge and religious influences on consumer behaviour.