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. 22 No. 1
Vol. 22 No. 1
A Study of Maize Farmers’ Incomes and Vicious cycle of Highland Maize farming


Khemarat Talerngsri Teerasuwannajak and Sittidaj Pongkijvorasin


With continuous supports by the Thai government and private sector over the past three decades, maize has become one of the major cash crops grown in many parts of Thailand. This paper employs data gathered from maize farmers in various areas of Wiangsa District in Nan province, to investigate a profit margin out of a price per kilogram of maize retained by farmers, taking into account the differences in farmers’ socioeconomic contexts, and their sources of money spent on maize cultivation. The result obtained allows us to calibrate the farmers’ accumulated income over the year 2004 to 2010. Linear regression and Logit model are used to find factors determining level of maize income and a tendency of farmers to rely on informal credit as a source of money used for cultivation, respectively. These analyses highlight the importance of highland/lowland factors, that is: the highland farmers tend to have lower level of maize income and are more dependent on informal credit than the lowland ones. A qualitative analysis of farmers’ access to certain agricultural policies, together with the results from regression and calibration analyses enable us to get a big picture of the situation faced by highland maize farmers. Such situation is well-captured by a “vicious cycle of highland maize farming” whereby the more farmers produce, the worse their situations become.

Keywords:   maize farming, highland farming, income accumulation, informal credit, vicious cycle of highland maize farming

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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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