As políticas públicas são formas de actuação dos governos e traduzem-se em instrumentos reguladores do comportamento do agente económico. São utilizadas pelo Estado para regular, mas também para intervir e incentivar. Visam a construção de uma sociedade mais justa, mais humana, mais...

O sector público desempenha importantes tarefas de afectação e de redistribuição de recursos na sociedade. Mas, a promoção da eficiência, da equidade e do estímulo ao crescimento e à estabilidade, são as suas grandes linhas gerais de orientação, as quais orientam-se para a...

We address an extension of the classical multi-period facility location problem in which customers are sensitive to delivery lead times. Accordingly, two customer segments are considered. The first segment comprises customers that require timely demand satisfaction, whereas customers accepting...

We consider a multi-period facility location problem that takes into account changing trends in customer demands and costs. To this end, new facilities can be established at pre-specified potential locations and initially existing facilities can be closed over a planning horizon. Furthermore,...

In a model with costly financial intermediation and financial disturbances, credit subsidies are desirable, irrespective of how they are financed. They are especially useful when the zero lower bound constraint is reached. They are superior to other credit policies such as direct lending.

We investigate a recently introduced extension of the multi-period facility location problem that considers service-differentiated customer segments. Accordingly, some customers require their demands to be met on time, whereas the remaining customers accept delayed deliveries as long as lateness...

We address a stochastic multi-period facility location problem with two customer segments, each having distinct service requirements. While customers in one segment receive preferred service, customers in the other segment accept delayed deliveries as long as lateness does not exceed a...

E-commerce has experienced a remarkable growth in recent years. This trend is gradually driving retailers to shift from typical warehouse rental contracts with rigid conditions and long-term commitments to flexible alternatives that provide storage space on demand. This strategy gives retailers...