Fluctuations in sovereign bond yields display a large global component which is associated with a rise in uncertainty. We build a model of sovereign default in which shocks to the level and to the volatility of the world interest rate help to account for this phenomenon. We calibrate the model...

International data suggests that fluctuations in the level and volatility of the world interest rate (as measured by the US treasury bill rate) are positively correlated with both the level and volatility of sovereign spreads in emerging economies. We incorporate an estimated time-varying...

International data suggests that fluctuations in the level and volatility of the world interest rate (as measured by the US treasury bill rate) are positively correlated with both the level and volatility of sovereign spreads in emerging economies. We incorporate an estimated time-varying...

The dynamic effects of Foreign Direct Investment in Portugal allowed for a structural shift in exports towards technology-intensive activities. However, since 2000, several factors, largely triggered by the global financial crisis, led to a drop in industrial output along with a reduction in FDI...

Worldwide legislation requires the presence of air filtration systems with detectors to monitor and control the release of radionuclides into the air in nuclear medicine centers. Dealing with radionuclides includes trapping the vapors and storing it for decay. However, these methods can involve...

This paper analyzes the impact of service quality on patients' satisfaction with the Portuguese National Health Service, through a novel indicator the Index of Satisfaction with the NHS that measures the share of children delivered in the NHS hospitals to total number of children delivered, in...

This paper relates to the literature on pecuniary externalities from FDI. Their transmission mechanism is complex, because pecuniary externalities may cause knowledge externalities and inversely. Moreover, each type of externality, or a combination of both, may increase firm productivity. Thus,...