Applied Economics Journal

Applied Economics Journal

ISSN 0858-9291

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  • AEJ highlights the applications of concepts and theories to issues in micro- and macroeconomics
  • Double-blind peer review
  • Two issues a year (Jun, Dec)
  • Open access to all full-text content

Vol. 16 No. 2
Vol. 16 No. 2
Economic Impact Assessment of Biological Control Researches (in Thai)


Suwanna Praneetvatakul


Biological control researches have been carried out for some time but there have been few studies to evaluate their benefit to society. The paper evaluates the impacts of biological control researches using the data from field survey and the National Biological Control Research Center. The data were collected from all regions of Thailand. A logit model and an economic surplus concept are used to base the analysis. The results show that the benefits to society comprised dissemination of knowledge to public, technological development, and economic impacts of the project. Two examples are the project ”Utilization of Cotesia flavipes (Cameron) for Augmentative Biological Control of Sugarcane Moth Borers”, which generated a net benefit of 3.7 million baht and the project “Utilization of Natural Enemies to Control Corn Stem Borer in Sweet Corn” of 0.5 million baht. Both research projects worth the investment. The economic value would increase if the level of adoption increased. Associated government agencies should encourage greater use of the research results. More training for farmers should be provided.

Keywords:   impact assessment, biological control, adoption of technology

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Faculty of Economics Kasetsart University :  Center for Applied Economic Research (CAER) :  Other Journals :  Thai-Journal Citation Index Centre (TCI) (TCI)

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Kasersart University Journal of Economics
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