Results 91 to 100 of about 246,485 (302)
Local power of the LR, Wald, score and gradient tests in dispersion models
, 2011 We derive asymptotic expansions up to order $n^{-1/2}$ for the nonnull distribution functions of the likelihood ratio, Wald, score and gradient test statistics in the class of dispersion models, under a sequence of Pitman alternatives.
Ferrari, Silvia L. P., Lemonte, Artur J.
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Agribusiness, EarlyView.ABSTRACT Africa's cultural and colonial heritage has profoundly segmented rice markets. Whereas in ancient centers of rice domestication, consumers maintained preferences for local rice consistent with their cultural heritage, preferences have shifted toward imported Asian rice in coastal areas around seaports, due to prior exposure to colonial import ...
Kofi Britwum, Matty Demont
wiley +1 more source
The Relationship Between Interest Rates and Agricultural Commodity Price Dynamics
Agribusiness, EarlyView.ABSTRACT The U.S. Federal Reserve has undertaken several interest rate interventions in the past decade. This study explores the relationship between U.S. corn and soybean prices and Federal Reserve monetary policy interventions, in the short and long run.
Zhining Sun, Ani L. Katchova
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Language Testing in AsiaThis study investigates the consistency of statistical tests and the effectiveness of effect size measures in evaluating items with Differential Item Functioning (DIF) in a large-scale assessment.
Ali Darabi Bazvand +3 more
doaj +1 more source
The linkage between oil and agricultural commodity prices in the light of the perceived global risk
Agricultural Economics (AGRICECON), 2014 The paper examines a systematic interrelationship between the world oil and agricultural commodity prices, taking the role of the USD and the perceived global market risks into consideration for the period from January 1990 to June 2013.
Giray GOZGOR, Baris KABLAMACI
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Agribusiness, EarlyView.ABSTRACT The penetration of information and communication technologies (ICTs) in farming communities is increasing the use of smartphone‐based instant messaging apps. Despite this, the reasons behind participation and the impact on farm productivity in developing countries remain unexplored.
Zafar Kurbanov +4 more
wiley +1 more source
Posterior-based Wald-type statistics for hypothesis testing
Journal of Econometrics, 2018 zbMATH Open Web Interface contents unavailable due to conflicting licenses.
LI, Yong +3 more
openaire +3 more sources
Small Sample Properties of Maximum Likelihood Versus Generalized Method of Moments Based Tests for Spatially Autocorrelated Errors [PDF]
This paper undertakes a Monte Carlo study to compare MLE-based and GMM-based tests regarding the spatial autocorrelation coefficient of the error term in a Cliff and Ord type model.
Janette Walde +3 more
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Agribusiness, EarlyView.ABSTRACT Smallholder farmers are reverting to traditional production methods due to the high opportunity costs and unintended consequences of new technologies. This study focuses on row planting technology, which is labor‐intensive and slow without mechanized operations.
Emmanuel Tetteh Jumpah +4 more
wiley +1 more source
Revista Colombiana de Estadística, 2005 In this paper we present a study which evaluates and compares the performance of hypothesis testing and confidence intervals based on Wald’s statistic with those based on the likelihood ratio statistic for probit and logit models.
Lemonte Artur José +1 more
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