high regional disparities, varying with the sector. We also find diverse combinations in productivity and unit price of …

industry in most cases, however, has displayed stagnating productivity growth, in some periods even a fall in productivity …. Does this fast-growing industry with a bad productivity record present a threat to aggregate productivity growth and, hence … its own stagnating productivity growth. Moreover, the industry has not yet exhausted opportunities for tackling existing X …

high regional disparities, varying with the sector. We also find diverse combinations in productivity and unit price of …

raising labour force participation and productivity can partly offset the impacts of an ageing population. These would enhance …

a country-risk premium results significant and increases R2. Estimation by GARCH further improves previous results …

In the literature, little role is attributed to the country risk conditional volatility in the determination of the … Brazilian country risk conditional volatility, with special emphasis on Markov switching regimes. Results indicate that the high … volatility regime periods, better identified by the latter, coincide with all the severe liquidity crisis episodes suffered by …

volatility, Lula celebrated by declaring: “hope has beaten fear”. Extending Une and Portugal (2004), the aim of this paper is … volatility point forecasts of the Brazilian country risk estimated for the period May 1994 - February 2005. The results support …

importance of the market movements. These indices are based on the price volatility and are computed by integrating mapped asset …

financial instruments in the portfolio and on the volatility of those returns.This task is relatively simple if the correlations … and volatilities do not change over time.But in reality both volatility and stock market indexes’ correlations do change …