Purpose – The purpose of this paper is first to give an in-depth discussion of the criticism of socially responsible investment's (SRI) alleged incompatibility with the concept of rational investment constituting an inferiority to conventional investment so as to disprove unwarranted arguments...

We examine the relationship between bank size and financial stability by viewing the supervisor of a banking system as an investor holding a portfolio of banks. Based on this view, we investigate the role of large banks in determining the systemic risk in this portfolio. Our results, based on...

The choice network revenue management (RM) model incorporates customer purchase behavior as customers purchasing products with certain probabilities that are a function of the offered assortment of products, and is the appropriate model for airline and hotel network revenue management, dynamic...

We study an infinite horizon model, where a seller orders his product in batches of fixed size. A sales strategy determines both the order moments and the sales path between these moments. Under some natural conditions on the sellers revenue function, the strategy that maximizes the sellers...

Purpose – This paper aims to introduce the efficiency improvement in the operating room (OR) of a local hospital using the integration of simulation and optimization. Design/methodology/approach – Based on the simulation model, a Tabu search (TS) algorithm is developed as an optimizer for...

Purpose – This paper aims to present a technique for optimal trajectory planning of industrial robots that applies a new harmony search (HS) algorithm. Design/methodology/approach – The new HS optimization algorithm adds one more operation to the original HS algorithm. The objective function...

Purpose – The ocean transportation of automobiles is carried out by specialized Roll‐on/Roll‐off ships, which are designed to carry a large number of automobiles at a time. Many of these shipping companies have vertically integrated or collaborated with other logistics services providers...