This paper discusses the main aspects of the competitive and regulatory state of the postal sector. It presents the different models for postal competition and regulation in the EU and the US and their history, together with their implications on regulation, with a focus on universal services and network access. While postal monopolies used to be the main source of funding for universal service obligations, the need for alternative funding sources after full liberalization has increased the interest of regulators and the public in knowing the cost of these obligations. In parallel, new means of electronic communication and consumer needs call the traditional scope of universal services into question. This paper outlines the economic rationale of current policies and directions for future postal regulation to strengthen the postal services' commercial viability in a competitive age, while safeguarding their relevant characteristics for the economy. Market regulation Universal Service regulation Designation Financing mechanism Costing (calculation of net cost) Market equilibrium Definition of obligations Flanking measures Market access regulation Network access and price regulation Interconnection, interoperability
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