The behaviour of unit root tests defined in terms of sign transform is here analysed. The sign transform allows us to gain robustness to non-normality. Contrarily to the standard unit root tests, our results show that these tests are very reliable in the presence of breaks, provided there is no...

This common aim provides a general framework for specifying, estimating, and testing time series econometric models using maximum entropy bootstrap (MEB) to test with data in time series from Stock Market of Thailand. The MEB is quantitatively reviewed for the first time to investigate the...

Routinely, practitioners and academics alike propose the use of trading strategies with an alleged improvement on the risk-return relation, typically entailing a considerably higher return for the given level of risk. A very popular example is "A quantitative approach to tactical asset...

We propose a support vector machine (SVM)-based structural model to forecast the collapse of banking institutions in the USA using publicly disclosed information from their financial statements on a four-year rolling window. In our approach, the optimum input variable set is defined from a large...

A recent literature has analysed the Central Bank's credibility nature and determinants. In general, a Central Bank with higher credibility can implement a more efficient monetary policy, which is expressed through lower social costs in terms of volatility of relevant variables, such as output...