Results 11 to 20 of about 12,305 (283)
In recent years, China’s high-tech industry has made remarkable technological progress, but it has also brought serious environmental pollution, which has aroused great concern about its environmental efficiency.
Feng Peng, Xichun Zhang, Shuzhen Zhou
doaj +1 more source
Score-driven models provide a solution to the problem of modelling time series when the observations are subject to censoring and location and/or scale may change over time. The method applies to generalized-t and EGB2 distributions, as well as to the normal distribution.
Andew Harvey, Yin Liao
openaire +1 more source
This study aimed at analyzing technical efficiency and its determinants among tobacco producers in Uganda. To achieve this, primary data were drawn from 200 tobacco farmers using semi-structured questionnaires.
Midamba Dick Chune +2 more
doaj +1 more source
This paper examines irrigation management within the Tunisian Water Users Association (WUA),in Nadhour public irrigated area (central of Tunisia). The functioning of 14 WUAs was evaluated based on questionnaires and related interviews. The methodology of
Hassen Abdelhafidh +4 more
doaj +1 more source
Türkiye’de Özel Sektörde Fazla Mesai: Tobit Modelle İncelenmesi
Türkiye’de özel sektörde fazla mesai genel itibariyle, 18 yaşını doldurmuş bireyin yapmış olduğu 45 saati aşan çalışmalardır. Makale, özel sektörde bireysel düzeydeki fazla mesai sürelerini kullanan öncü çalışmalardan biridir.
Mustafa ÜNLÜ +2 more
doaj +1 more source
TWO-STAGE DEA ESTIMATION OF TECHNICAL EFFICIENCY: COMPARISON OF DIFFERENT ESTIMATORS [PDF]
Research background: The challenge of resource limitations requires that farmers make judicious use of resources to maximize output and profit levels. This can be achieved through assessment of resource-use efficiency of farmers by estimating the level ...
Benjamin Tetteh ANANG
doaj +1 more source
Background: Randomised controlled trials (RCTs) are the gold standard to estimate treatment effects. When patients receive effective treatment over time they may reach the limit of a certain measurement scale.
Jos Twisk +7 more
doaj +1 more source
Drivers that Impact the Merchants’ Repeat Intention for Group Deal Promotions [PDF]
The purpose of this study is to investigate the drivers affecting merchant’s intention to repeat group deal offers and use the group buying site as a promotional tool. The research is done based on secondary and primary data collection.
Nina Angelovska +2 more
doaj +1 more source
Cassava leaves, as a leafy vegetable and highly nutritious food, is not a common traded leafy vegetable on the local markets of Ghana. The study assessed consumers’ perception and their willingness to pay (WTP) for cassava leaves as a leafy vegetable in ...
Fred Nimoh, Stephen Prah, Karen Boansi
doaj +1 more source
Long-memory dynamic Tobit models [PDF]
We introduce a long-memory dynamic Tobit model, defining it as a censored version of a fractionally-integrated Gaussian ARMA model, which may include seasonal components and/or additional regression variables. Parameter estimation for such a model using standard techniques is typically infeasible, since the model is not Markovian, cannot be expressed ...
Brockwell, Anthony, Chan, N. H.
openaire +1 more source

