Results 101 to 110 of about 246,485 (302)

Effects of Environmental and Health Information on Willingness to Pay for Local and Organic Foods in Taiwan

open access: yesAgribusiness, EarlyView.
ABSTRACT Using a lab‐in‐the‐field experiment, we investigate how providing information about food miles and pesticide residue influences willingness to pay (WTP) for potatoes among 407 shoppers in Taiwan, split between a supermarket and a farmers market.
Chiu‐Lin Huang   +3 more
wiley   +1 more source

How Competitive Is Myanmar's Rice Sector? A Comparison of Production Costs and Efficiency

open access: yesAgribusiness, EarlyView.
ABSTRACT This paper analyzes the cost competitiveness of rice production in Myanmar by examining production costs, cost efficiency, and the potential effect of improving cost efficiency on the country's global competitiveness. To achieve this, we conduct a comparative analysis of production costs among major rice‐producing countries and estimate the ...
Nandar Aye Chan   +3 more
wiley   +1 more source

Long‐term prognosis is associated with residual disease after neoadjuvant systemic therapy but not with initial nodal status

open access: yesBJS (British Journal of Surgery), EarlyView., 2020
This long‐term follow‐up study determined survival rates in a Swedish national cohort of 417 patients with breast cancer who all had neoadjuvant systemic therapy (NAST). Sentinel lymph node biopsy (SLNB) was performed before NAST in clinically node‐negative and after NAST in clinically node‐positive patients.
L. Zetterlund   +4 more
wiley   +1 more source

Hypothesis Test to Compare Two Paired Binomial Proportions: Assessment of 24 Methods

open access: yesMathematics
The comparison of two paired binomial proportions is a topic of interest in statistics, with important applications in medicine. There are different methods in the statistical literature to solve this problem, and the McNemar test is the best known of ...
José Antonio Roldán-Nofuentes   +2 more
doaj   +1 more source

Drivers of Farmers' Contract Compliance Behavior: Evidence From a Case Study of Dangote Tomato Processing Plant in Northern Nigeria

open access: yesAgribusiness, EarlyView.
ABSTRACT Contract farming is a viable strategy agribusinesses rely on to strengthen coordination across actors in the value chain. However, low contract compliance remains a significant setback to agribusinesses' contract performance in low‐ and middle‐income country context.
Umar Shehu Umar   +2 more
wiley   +1 more source

Associations in intentions to use anabolic-androgenic steroids among non-consuming boys and men with probable eating disorders and muscle dysmorphia

open access: yesJournal of Eating Disorders
Background Anabolic-androgenic steroids (AAS) are used to achieve a muscular and lean body to align with current ideals for boys and men. Identifying associations with intentions to use AAS, a precursor to actual use, is critical for prevention efforts ...
Kyle T. Ganson   +3 more
doaj   +1 more source

Homogeneity Test of Ratios of Two Proportions in Stratified Bilateral and Unilateral Data

open access: yesMathematics
In paired-organ studies such as ophthalmology, otolaryngology, and rheumatology, etc., various approaches take highly correlated bilateral data into account for homogeneity tests but are less likely to focus on combined bilateral and unilateral data ...
Huipei Wang, Chang-Xing Ma
doaj   +1 more source

Maximum Likelihood and the Bootstrap for Nonlinear Dynamic Models [PDF]

open access: yes
We provide a unified framework for analyzing bootstrapped extremum estimators of nonlinear dynamic models for heterogeneous dependent stochastic processes.
Halbert White, Sílvia Gonçalves
core  

Efficiency and Technology Gap in European Apple Production—A Metafrontier Model for Germany, Italy, and Poland

open access: yesAgribusiness, EarlyView.
ABSTRACT EU member states have exhibited varying rates of apple production growth. Technical efficiency (TE) estimation is suitable for identifying best‐practice farm performance. This study examined whether the development of the apple sector in Germany, Italy, and Poland was influenced by production efficiency, access to technology, as well as ...
Anika Muder, Jakub Staniszewski
wiley   +1 more source

GMM Estimation and Uniform Subvector Inference with Possible Identification Failure [PDF]

open access: yes
This paper determines the properties of standard generalized method of moments (GMM) estimators, tests, and confidence sets (CS's) in moment condition models in which some parameters are unidentified or weakly identified in part of the parameter space ...
Donald W.K. Andrews, Xu Cheng
core  

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