نتایج جستجو برای: technical progress

تعداد نتایج: 308774  

2012
Margaret Beam Ginny Ehrlich Jessica Donze Black Audrey Block Laura C. Leviton

INTRODUCTION Evidence-based technical assistance may be needed to implement recent federal policy to prevent childhood obesity through the schools. The Healthy Schools Program is the largest school-based obesity prevention program in the United States. The objectives of this study were to evaluate the role of the program's training and technical assistance and to explore other contributing fact...

2000
Bin Xu

The effects of technical progress on relative factor prices in the two-country, two-good, two-factor Heckscher-Ohlin model are investigated. Technical progress is classified according to factor-augmenting bias, factor-using bias, and sector bias. A complete set of relations between technical progress parameters and relative factor prices, depending on the elasticities of substitution in demand ...

Journal: :Journal of Economic Behavior & Organization 2008

Journal: :Processes 2021

The involvement of people and technical devices is a characteristic feature technological processes in agriculture. Human access to modernized more efficient equipment determines the differentiation proportions contributions human labor implementation production technology on farms. Taking into account data manual machine work inputs, methodology determining index level (TL) was presented. aim ...

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