The large amount of information in electronic contracts hampers their establishment due to high complexity. An approach inspired in Software Product Line (PL) and based on feature modelling was proposed to make this process ...

Relative prices and price stability have a recognized identity in economic theory and economic policy. In the last 50 years it is possible to configure numerous scenarios, according to the relative importance given by Latin ...

This paper studies the exercise of market power in price-regulated electricity industries under peak-load pricing and merit order dispatching, but where investment decisions are taken by independent generating companies. ...

Transmission expansion planning (TEP) is an important part of power system expansion planning. In TEP, optimal number of new transmission lines and their installation time and place are determined in an economic way. ...

Shopbots services are common in Internet to compare prices from distinct providers. However, few of them find an optimal purchase configuration to a product list informed by users. In the card game Magic: The Gathering, ...

Liquefied Natural Gas contracts offer cancelation options that make their pricing difficult, especially if many gas storages need to be taken into account. We develop a valuation mechanism from the buyer's perspective, a ...

In cities the interrelations between locations, functionally varied sectors, attractors and satisfactions, made possible by the set of barriers and permeabilities, are presented as factors of real property pricing, ...