English Abstract: The long-horizon event study methodology is used to document the severe impact of the US subprime mortgage crisis on the Colombian economy. The estimated parameter of a constant mean return model is used to derive the “abnormal return” on the market portfolios of Colombia...

In theory, prices of current-month federal funds futures contracts should reflect market expectations of near-term movements in the Federal Reserve's target level for the federal funds rate. However, empirical results show that such measures of market expectations are too noisy to predict...

We analyze the effect of two 2012's regulatory measures in the Brazilian telecommunications and electricity markets. The first intervention was undertaken by the telecommunications regulatory agency (Anatel) in 18th of July and refers to the interruption of the sales of important...

We analyze the effect of two 2012's regulatory measures in the Brazilian telecommunications and electricity markets. The first intervention was undertaken by the telecommunications regulatory agency (Anatel) in 18th of July and refers to the interruption of the sales of important...

We propose a management tool to identify groups of public schools that have similar standards of performance and therefore need similar support and guidance.The student's result is measured with the "Prova Brasil" (PB) for mathematics and for Portuguese language, and with an indicator of the...

We propose a management tool to identify groups of public schools that have similar standards of performance and therefore need similar support and guidance.The student's result is measured with the "Prova Brasil" (PB) for mathematics and for Portuguese language, and with an indicator of the...

In the nonconventional economic literature decision processes are mainly analyzed on the basis of cognitive aspects (such as the existence of limited rationality) and institutional aspects (such as rules of thumb, institutions and conventions). The fuzzy logic, in turn, offers a form of treating...