Caio Prado Junior

Does Curvature Enhance Forecasting ? ∗ Caio Almeida

In this paper, we analyze the importance of curvature term structure movements on forecasts of interest rates. An extension of the exponential three-factor Diebold and Li (2006) model is proposed, where a fourth factor captures a second type of curvature. The new factor increases model ability to generate volatility and to capture nonlinearities in the yield curve, leading to a significant impr...

Compost - N recovery : 15 N natural abundance quantitative approach Caio

The remarkable influence of organic inputs, such as manure and compost, on dN values of growing plants suggests the possible use of N natural abundance as a tracer of N. Thus, using N natural abundance might be possible to estimate compost-N recovery as an alternative method to the use of N-enriched materials. The objective of this study was to verify the feasibility of using dN value to esti...

T he d rop — Special edition — JOSE PRADO

Cover Story: WMHS 602 Study Abroad, p. 1; Articles: Wastewater Irrigation; p. 5; Irrigation Practices; p. 6; Water-Energy-Food; p. 7; Illegal Tapping oil pipelines; p. 10; The Zapotillo Dam p. 11; Guanajuato Water Gap; p. 12; WHMS News: Recent graduates p. 14; Water in the News: Texas and National News; p. 14; Water for Fun: Crossword Puzzle; p. 15; Seminars schedule; p. 16; Students Organizati...

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The use of a low tilt biphasic waveform lowers the defibrillation threshold for the internal cardioversion of atrial fibrillation Purpose: Conventional defibrillators used for the internal cardioversion of atrial fibrillation (AF) employ high tilt waveforms generated by a capacitor based discharge. We have developed a biphasic waveform with low tilt. This was compared with a conventional wavefo...