The authors aim at obtaining a simple econometric model that allows to build a confidence interval for the dispersion of the bids made by financial institutions at the Central Bank weekly auctions of short term securities in Brazil. Under competitive conditions it is assumed that the bids'...

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...