A bilevel programming model represents the relationship in a specific decision process that
involves decisions within a hierarchical structure of two levels. The upper-level problem is …

The growth of e-commerce has created increasing complexity in logistics services. To
remain competitive, logistics and e-commerce companies are exploring new modes as …

This paper studies the exact solution approaches for a generalized competitive facility
location problem. We consider a company that plans to introduce a service by opening a set …

This paper addresses retail store location in a duopoly. One firm, the so-called leader, has
already located several stores, while a second firm, the follower that offers a different …

Most companies operate to maximize profits and increase their market shares in competitive
environments. Since the proper location of the facilities conditions their market shares and …

We consider discrete location problems for an entering firm which competes with other
established firms in a market where customers are spatially separated. In these problems, a …

This study introduces a novel parcel locker location problem in the last mile delivery where
each parcel locker is equipped with a set of selectable volume sizes and provides services …

This paper provides a review on recent works in the field of competitive facility location
models based on the following seven components: 1) Variables, 2) Competition type, 3) …

Purpose The research in competitive facility location (CFL) is quite dynamic, both from a
problem formulation and an algorithmic point of view. Research direction has changed …

This work presents a steady-state genetic algorithm enhanced by a complete trie-based
solution archive for solving the generalized vehicle routing problem with stochastic demands …