Many production facilities generate and update production schedules. Rescheduling is necessary because the manufacturing system is dynamic and unexpected events occur. This paper discusses rescheduling policies and how they affect the performance of manufacturing systems. The benefits of proper rescheduling include improved manufacturing system performance with reduced cost due to computational...

This paper draws upon the results of a qualitative study on the procurement and adoption of open source software by public sector organizations spanning Europe, Brazil and the USA. The premise of this work was to understand the role ‘cost’ or total cost of ownership of software plays in government procurement decisions. We found, however, that this was more a rhetoric to gain acceptance for ope...

Expert judgement is still the dominant technique in practice today for estimation of software project size and effort. In this paper, two instruments are evaluated that have been frequently suggested as effective support for human estimators: checklists and group discussions. A student experiment has been conducted to investigate how checklists and group discussions help estimators to improve t...

Dyspepsia is a common problem where many sufferers do not seek healthcare. The clinical impact of the condition in the community and the economic costs were assessed using data from a large cross sectional survey. Dyspepsia may be costing society 1 billion pounds each year in the UK. Thus dyspepsia is a huge clinical and economic burden and cost effective management strategies and treatments ar...

The purpose of this paper is to investigate the effect of the interactive and diagnostic use of management control systems on the adoption and success of contemporary management accounting practices in the public sector. Contemporary management accounting practices includes: benchmarking, activity-based costing, the balanced scorecard, value chain analysis, total quality management, key perform...

a new mathematical model for the optimal production isformulated for the inventory management system under time-varyingand stochastic inflation environment for deteriorating items. the timehorizon is finite and demand rate is dependent to the inflation. in thereal situation, some but not all customers will wait for backlogged itemsduring a shortage period, such as for fashionable commodities or...

pricing policies play an important role in water demand management and its optimal allocation. determining proper water price leads to optimal allocation of water especially in agricultural consumptions. applying new subsidy targeting law in iran which insists on pricing water based on its supply cost, will effects considerably on water resource management in agriculture sector. so, in this stu...