Elicitation of subjective crop yield PDF [probability density functions]
Keywords:
CROP YIELD, VALUATION, PRODUCTION FUNCTIONS, DECISION SUPPORT, STATISTICAL METHODS
Abstract
The aim of this research is to investigate the coherence and reliability of subjective crop yield probability density functions (PDF) elicited from a series of interviews carried out on a wide group of farmers. Three different elicitation techniques were used: the Two-Step PDF estimation method, the Triangular distribution and the Beta distribution. Subjects who were interviewed gave both estimates for point crop yield (mean, highest possible, most frequent and lowest possible) and for the PDF based on interval estimates. To evaluate persistence, two concepts were used: time persistence and methodological persistence. The results are deemed valuable in order to determine the level of trust in the techniques applied in obtaining data, and in their effectiveness in designing a farm decision support system (DSS).Downloads
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Published
2007-03-01
How to Cite
Clop-Gallart, M., & Juárez-Rubio, F. (2007). Elicitation of subjective crop yield PDF [probability density functions]. Spanish Journal of Agricultural Research, 5(1), 16-24. https://doi.org/10.5424/sjar/2007051-219
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