Results 41 to 50 of about 916,878 (200)

Did tariffs stifle Spanish agriculture before 1936? [PDF]

open access: yes, 1997
This paper challenges the widely held view that tariff protection was the major factor in explaining the poor performance of Spanish agriculture in the half century prior to the 1936 Civil War.
Simpson, James
core   +2 more sources

Impact of the 2015 U.S. Dollar Rise on Export Prices and on the Agricultural Industry [PDF]

open access: yes, 2016
U.S. export prices experienced a major decline in 2015, as evidenced by the Bureau of Labor Statistics (BLS) export price index. Prices for U.S. exports, published in dollar terms, decreased 6.6 percent in 2015, the largest calendar-year decline since ...
Rosenstein, Tamar
core   +1 more source

Optical and Infrared Photometry of the Unusual Type Ia Supernova 2000cx [PDF]

open access: yes, 2002
We present optical and infrared photometry of the unusual Type Ia supernova 2000cx. With the data of Li et al. (2001) and Jha (2002), this comprises the largest dataset ever assembled for a Type Ia SN, more than 600 points in UBVRIJHK.
A. Rest   +22 more
core   +3 more sources

Change in global transmission rates of COVID-19 through May 6 2020.

open access: yesPLoS ONE, 2020
We analyzed COVID-19 data through May 6th, 2020 using a partially observed Markov process. Our method uses a hybrid deterministic and stochastic formalism that allows for time variable transmission rates and detection probabilities.
Ethan Obie Romero-Severson   +3 more
doaj   +1 more source

Volumetric brain correlates of gait associated with cognitive decline in community-dwelling older adults

open access: yesFrontiers in Aging Neuroscience, 2023
ObjectiveTo determine the extent to which the regional brain volumes associated with slow gait speed can inform subsequent cognitive decline in older adults from the Rush Memory and Aging Project.ApproachWe utilized deformation-based morphometry (DBM) in
Victoria N. Poole   +17 more
doaj   +1 more source

Can Light Echoes Account for the Slow Decay of Type IIn Supernovae? [PDF]

open access: yes, 1999
The spectra of type IIn supernovae indicate the presence of apre-existing slow, dense circumstellar wind (CSW). If the CSW extends sufficiently far from the progenitor star, then dust formation should occur in the wind.
Bradley E. Schaefer   +9 more
core   +4 more sources

Starting Positions, Reform Speed, and Economic Outcomes in Transitioning Economies [PDF]

open access: yes, 2000
At the end of the 1980s and beginning of the 1990s 26 countries in Eastern Europe, the former Soviet Union and Mongolia initiated market reform policies.
Hallagan, William, Jun, Zhang
core  

Pharmacokinetics of recombinant human erythropoietin applied subcutaneously to children with chronic renal failure [PDF]

open access: yes, 1993
The single-dose pharmacokinetics of recombinant human erythropoietin (rHuEPO) given SC was investigated in 20 patients aged 7-20 years at different stages of chronic renal failure.
Braun, A.   +5 more
core   +1 more source

Parietal Fast Sleep Spindle Density Decrease in Alzheimer’s Disease and Amnesic Mild Cognitive Impairment

open access: yesNeural Plasticity, 2016
Several studies have identified two types of sleep spindles: fast (13–15 Hz) centroparietal and slow (11–13 Hz) frontal spindles. Alterations in spindle activity have been observed in Alzheimer’s disease (AD) and Mild Cognitive Impairment (MCI). Only few
Maurizio Gorgoni   +12 more
doaj   +1 more source

Mobility and distance decay at the aggregated and individual level [PDF]

open access: yes, 2010
Most crimes are committed near to where the offender lives; this has been observed both at the aggregate and at the offender level. At the aggregate level, as the distance increases there is a decline in the number of offences committed, and initially ...
Van Daele, Stijn
core  

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