The power system regulation order that the energy dispatch is centralized by a agent - ONS - that should use a stochastic dynamic optimization model that maximize the energy is accumulated in the hydro plants. This model consider only the uncertainty of water affluence. Our first issue is...

The privatization policy for power generation system in Brazil needs that investments on new plants should be profitable. This depends on regulation rules: a) the cost of energy supplied on deficit situation; b) the normative value of energy that is the maximum value of energy for long-run...

The work investigates the demographic, economic and social determinants of the degree of satisfaction of the Brazilian househols with their income. For that, a ordered logit model is estimated in order to explain the performance of a subjective indicator of income sufficiency built with basis on...