This study investigates the determinants of the great difference between winning bids and reserve prices in the transmission electricity sector in Brazil between 1999- 2010, through an econometric approach based on Heckman (1979) that considers the heterogeneous among the winner's and loser’s...

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...