The local communities from Romania and those from Eastern Europe have become important public services suppliers carried out in the interest of their citizens. Public services such as pre-university education system, culture, assistance and social protection, but also public lightening, water...

Auctions purchases represent an effective mechanism for public authorities, designed to provide the buyer (public authority), products and services with a convenient time to complete the transaction and the option to set a minimum price. In this paper we will study the problem of the optimal...