agricultural extension services have been playing a central role in transformation process of agricultural sector in nigeria but there are challenges which affect the quality of service delivery especially increasing cost of services and poor funding and therefore, promoting emergence of new extension strategies offered by private sector . the study investigated the perception of maize crop far...

background: one of the economic evaluation techniques involves calculation of willingness to pay (wtp) for a service to find out the value of that service from the clients’ perspective. this study estimated wtp for both breast cancer and osteoporosis screening and comparatively examined the contributing factors. in fact, the comparisons served to provide an exact analysis of individual attitude...

the purpose of this study was to determine evaluation of clean air from viewpoint of tile industry personnel at two pressing workplaces, in order to utilize the results for economic policy making of air pollution control. total dust was measured on the basis of niosh method 0500, showing dust concentration of 59.26 ±15.81 mg/m3 and 32.16 ±9.85 mg/m3 in the mentioned workplaces. the value of cle...

health and safety are important factors in today’s life. most of studies show that consuming the chicken that has anti biotic caused different diseases like digestive vessel cancer. attention to controlled use of antibiotics can play a key role in society health which considered in the production of green chicken. planning for increasing the production of mentioned chicken needs the investigati...

this study was a qualitative research which was done by a case study approach. the samples were chosen from rural development experts of hamedan province during a snowball sampling process. the data were collected by the semistructured interviews. the data collection was done by faceto- face interviews, after the interview questions guide was determined. the theoretical saturation was attained ...

the proposition that natural areas need protection from the destructive actions of people iswidely accepted. this paper examines iran’s e-society attitudes and capital towards biodiversity conservationand evaluates economically iran’s national parks (nps). 2,121 respondents answered an online questionnaire conducted in summer 2012. the majority of respondents had visited one of iran’s nps. almo...

We propose an end-to-end-trainable attention module for convolutional neural network (CNN) architectures built for image classification. The module takes as input the 2D feature vector maps which form the intermediate representations of the input image at different stages in the CNN pipeline, and outputs a 2D matrix of scores for each map. Standard CNN architectures are modified through the inc...

Willingness to pay is a term used in economics, which can be defined as the maximum amount a person would be prepared to pay, sacrifice or exchange in order to receive goods or services or to avoid something that is undesired. It can be used in medicine as a method for assessing the value of health benefits in a cost-benefit analysis. One indication of the importance of this concept is the prog...

Abstract Measuring risk preferences using monetary incentives is costly. In the field, it might be also unfair and unsafe. The commonly used measure of Holt Laury (2002) relies on a dozen lottery choices payments, which make time consuming expensive. It raises moral concerns as result unequal payments generated by good bad luck. Paying some but not all subjects may create tensions between resea...