Asset price fluctuations: comparing rational speculative bubbles and the keynesian approach The principal aim of this paper is to analyze the limits of the conventional approach to speculative rational bubbles as an explanation for price fluctuations in financial assets. It is argued that the...

More than eleven years after the end of hyperinflation in Brazil, domestic bond markets have been unable to lengthen the average maturity of both public and private bonds. This paper shows that the lengthening is theoretically and practically (we analyzed the experiences of Israel, Mexico and...