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Todas las empresas vienen afectadas de forma importante por la programación de su producción o de sus pedidos (en el caso de empresas comerciales). All companies are significantly affected by the scheduling of their production or their orders (in the case of commercial companies).

Bucaramanga es, sin lugar a dudas a dudas un centro comercial de primer orden en el país. Su privilegiada situación geográfica que le permite ser un punto equidistante entre Bogotá, la Costa Atlántica y la frontera con Venezuela hacen de esta ciudad un centro de distribución de toda clase de mercacncía proveniente de esos lugares. Bucaramanga is, without a doubt, a first-rate shopping center in the country. Its privileged geographical location that allows it to be an equidistant point between Bogotá, the Atlantic Coast and the border with Venezuela make this city a distribution center for all kinds of merchandise from those places.

We address a service facility problem with captive interacting customers and service providers. This problem is modelled as a deterministic queuing system. Customers must routinely decide which facility to join for service, whereas service providers must decide how much to adjust the service capacity of their facilities. Both service providers and customers base their decisions on their perceptions about the system. Customers use their previous experience and that of their neighbours to update their perceptions about the average sojourn time, while service providers form their perceptions based on the queue length. We use cellular automata (CA) to model the interaction between customers and service providers. We perform a simulation to assess the way the customers' and service providers' decisions evolve and affect the system behaviour. Our results show that the more conservative the service providers, the larger the market share they achieve and the lower probability that their facility closes down. © ECMS Webjøm Rekdalsbakken.