scholarly journals An evaluation of farmers’ willingness to pay for efficient irrigation for sustainable usage of resources: the GAP-Harran Plain case, Turkey

Author(s):  
Mustafa Hakki Aydogdu ◽  
Abdulbaki Bilgic
Land ◽  
2020 ◽  
Vol 9 (8) ◽  
pp. 261
Author(s):  
Mustafa Hakkı Aydoğdu ◽  
Mehmet Reşit Sevinç ◽  
Mehmet Cançelik ◽  
Hatice Parlakçı Doğan ◽  
Zeliha Şahin

There is a risk of salinity and degradation in soil structure due to excessive irrigation in the GAP-Harran Plain. The purpose of the research is to determine farmers’ willingness to pay (WTP) for applications of sustainable agricultural land usage practices to avoid salinization in soil based on irrigation problems related to the demands of the farmers’, their needs, and which factors affect their willingness to accept payment. The basic material of the research was obtained through face-to-face questionnaires from farmers who were selected by a method of simple random sampling in 2018. Heckman’s two-stage model was used in the analysis of the data in Stata. According to the results obtained from the research, 27.85% of the participants indicated WTP and the average amount was USD 16.2/hectare. The average WTP is calculated as USD 4.43/hectare for all participants and 735.38 thousand USD/year for the whole plain. The agricultural income, household size, farming experience, land amount, non-agricultural income, education level, working in the non-agricultural sector, and membership of farmers’ union were determined as statistically effective factors. It is necessary to raise the awareness of farmers through extension services. As awareness increases, both WTP and the adoption of applications will increase. The results supply useful data for people working on this subject for the planning and implementation of sustainable usage of resources in Turkey and to regions with similar socio–economic characteristics. This study is the first of its kind in GAP-Harran, Turkey.


Agriculture ◽  
2020 ◽  
Vol 10 (5) ◽  
pp. 152
Author(s):  
Hatice Parlakçı Doğan ◽  
Mustafa Hakkı Aydoğdu ◽  
Mehmet Reşit Sevinç ◽  
Mehmet Cançelik

Sustainable agriculture is necessary for farmers to have a sustainable income. This research aims to determine the willingness to pay (WTP) of farmers in the GAP-Harran Plain for services that would ensure sustainable agricultural income, the factors affecting their willingness, and the minimum amount they would be willing to pay. The main material of the research has been obtained by means of face-to-face surveys involving farmers selected by a simple random sampling method in the GAP-Harran Plain. The sampling volume was determined with a 95% confidence limit and a 5% error margin. Heckman’s two-stage model was used for the analysis. According to the results of the research, 22.61% of the participants showed WTP, and the average amount they were willing to pay was 180.82 TL/hectare (ha) ($31.86/ha). This amount was 3.08% of the average annual agricultural income calculated. About 41.22% of the participants showed no WTP. They believed that the public sector is accountable of the services and consequently, they should be provided free of charge. About 23.14% of the participants showed WTP only for the services that they needed. The average WTP for all participants was calculated as 40.9 TL/ha ($7.21/ha) and 1.2 million $/year for the GAP-Harran Plain. This amount is the minimum and may increase by several folds with a demand-based variety of service delivery. The factors that statistically effect WTP have been determined as age, education, experience, number of households working in agriculture, amount of land, agricultural income, non-agricultural income, membership status of agricultural cooperatives, and product pattern. The results provide useful information to guide researchers, decision-makers, and policy-makers.


2001 ◽  
Vol 32 (3) ◽  
pp. 133-141 ◽  
Author(s):  
Gerrit Antonides ◽  
Sophia R. Wunderink

Summary: Different shapes of individual subjective discount functions were compared using real measures of willingness to accept future monetary outcomes in an experiment. The two-parameter hyperbolic discount function described the data better than three alternative one-parameter discount functions. However, the hyperbolic discount functions did not explain the common difference effect better than the classical discount function. Discount functions were also estimated from survey data of Dutch households who reported their willingness to postpone positive and negative amounts. Future positive amounts were discounted more than future negative amounts and smaller amounts were discounted more than larger amounts. Furthermore, younger people discounted more than older people. Finally, discount functions were used in explaining consumers' willingness to pay for an energy-saving durable good. In this case, the two-parameter discount model could not be estimated and the one-parameter models did not differ significantly in explaining the data.


Author(s):  
Muhammad Mathori ◽  
Uswatun Chasanah

This study aims to identify the determinants that influence the attitudes of consumers of green purchases and the willingness to pay more on green products, specifically on energy-saving lighting products. The variables studied included environmental knowledge, environmental awareness and perceived effectiveness. The sample of this study was 196 students, but out of 196 respondents after the questionnaire was distributed only 189 could be processed. Validity and reliability test results show valid values of loading factors of more than 0.4 while for reliability testing using the cronbach’s alpha criteria above 0.5 indicates reliable. Through the multiple linear regression analysis, the variables of environmental knowledge, environmental awareness and effectiveness are felt to have a positive and significant effect on the attitude of buying and willingness to pay more. Green purchasing attitudes and willingness to pay more have a positive and significant effect on green purchasing behavior. Green purchasing attitudes have a greater influence on green purchasing behavior compared to willingness to pay more.


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