OBJECTIVE Although seat belt use can significantly decrease the risk of injury, few car drivers make use of seat belts in Iran. The aim of this study was to test the utility and efficiencyof the theory of planned behavior (TPB) and the health beliefmodel (HBM) in predicting intention to use a seat belt among car drivers in Sabzevar, Iran. METHODS A cross-sectional, correlational design was em...

During centuries, humans have changed their environment into a Perspective of cultural heritage using tact and wisdom. These perspectives that show the legacy of human civilization, have established a long cultural relationship via safety international pathways. Hence, Investing for maintenance of critical infrastructures which is the safe way, seems to be necessary. The main problem is not the...

We study the inventory control problem of a retailer working under stochastic demand and stochastic limited supply. We assume that the unfilled part of the retailer's order is fully backordered at the supplier and replenished with certainty in the following period. As it may not always be optimal for the retailer to replenish the backordered supply, we also consider the setting in which the ret...

We present a two-echelon dual-channel inventory model in which stocks are kept in both a manufacturer warehouse (upper echelon) and a retail store (lower echelon), and the product is available in two supply channels: a traditional retail store and an Internet-enabled direct channel. The system receives stochastic demand from two customer segments: those who prefer the traditional retail store a...

The simultaneous stochastic pricing and inventory management with capacitated cash-on-hand is a profit maximization problem faced by a firm, which has limited working capital for its liabilities. In addition to this working capital constraint, the company has to dynamically price its products and determine inventory levels to minimize its expected cost. In our study, we tackle this complicated ...