Adoption of agricultural innovations as a two-stage partial observability process
نویسندگان
چکیده
منابع مشابه
Adoption of agricultural innovations as a two-stage partial observability process
In this paper, we reconsider the appropriateness of certain statistical analyses in innovation adoption studies and suggest that partial observability models may sometimes be more useful. The proposed models allow for a flexible specification of the process of adoption from one stage to two stages, facilitate the modelling of non-adopters and remedy the violation of the assumption of full infor...
متن کاملTwo-Stage Partial Observability Models of Innovation Adoption
Many theories on the adoption and diffusion of innovations posit that adoption is the outcome of a decision process. A two-stage conception of that process involving an awareness stage followed by a stage combining evaluation and adoption seems particularly useful. Several empirical studies indicate that the effect of mass media and change agents is relatively concentrated in creating awareness...
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We show how one can specify micro-level hazard models of adoption that separately represent the awareness and evaluation/choice stage of the adoption decision process even when one observes only the final outcome, i.e. adoption or not. These models can be derived from random utility theory. Using a small simulation study, we show that the two-stage partial observability specification retrieves ...
متن کاملWord count: 13,442 Two-Stage Partial Observability Models of Innovation Adoption
Many theories on the adoption and diffusion of innovations posit that adoption is the outcome of a decision process. A two-stage conception of that process involving an awareness stage followed by a stage combining evaluation and adoption seems particularly useful. Several empirical studies indicate that the effect of mass media and change agents is relatively concentrated in creating awareness...
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A wealth of evidence exists about the adoption of new practices and technologies in agriculture but there does not appear to have been any attempt to simplify this vast body of research knowledge into a model to make quantitative predictions across a broad range of contexts. This is despite increasing demand from research, development and extension agencies for estimates of likely extent of ado...
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ژورنال
عنوان ژورنال: Agricultural Economics
سال: 2003
ISSN: 0169-5150
DOI: 10.1016/s0169-5150(03)00003-3