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	Provedor de dados AgEcon (2) Autor Barrett, Christopher B. (1) Karagiannis, Giannis (1) Midmore, Peter (1) Moser, Christine M. (1) Tzouvelekas, Vangelis (1) Palavra-chave O0 (2) Conformity effects (1) DAIRY (1) Farm Management (1) Learning (1) O1 (1) PANEL DATA (1) Q0 (1) Q1 (1) Q12 (1) Q16 (1) Q18 (1) Research and Development/Tech Change/Emerging Technologies (1) TIME-VARYING EFFICIENCY (1) Technology adoption (1) The System of Rice Intensification (1) Mais... Tipo do documento Conference Paper or Presentation (1) Working or Discussion Paper (1) Ano 2003 (1) 1999 (1) País United States (2) Idioma Inglês (2)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 2 Primeira ... 1 ... Última THE COMPLEX DYNAMICS OF SMALLHOLDER TECHNOLOGY ADOPTION: THE CASE OF SRI IN MADAGASCAR AgEcon Moser, Christine M.; Barrett, Christopher B.. This paper explores the dynamics of smallholder technology adoption, with particular reference to a high-yielding, low-external input rice production method in Madagascar. We present a simple model of technology adoption by farm households in an environment of incomplete financial and land markets. We then use a probit model and a symmetrically trimmed least squares estimation of a dynamic Tobit model to analyze the decisions to adopt, expand and disadopt the method. We find that seasonal liquidity constraints discourage adoption by poorer farmers. Learning effects – both from extension agents and from other farmers– exert significant influence over adoption decisions. Tipo: Working or Discussion Paper Palavras-chave: Technology adoption; Learning; The System of Rice Intensification; Conformity effects; Farm Management; O0; O1; Q0; Q16; Q12; Q18. Ano: 2003 URL: http://purl.umn.edu/14735 SEPARATING TECHNICAL CHANGE FROM TIME-VARYING TECHNICAL INEFFICIENCY IN THE ABSENCE OF DISTRIBUTIONAL ASSUMPTIONS AgEcon Karagiannis, Giannis; Midmore, Peter; Tzouvelekas, Vangelis. This paper proposes an alternative approach for separating technical change from time-varying technical inefficiency. The approach uses the general index, developed by Baltagi and Griffin (1988), to model technical change along the production function, and a quadratic function of time trend, as in Cornwell, Schmidt and Sickles (1990), to capture the temporal pattern of technical inefficiency. In such a setting, all parameters associated with the rate of technical change and the temporal pattern of technical inefficiency are identified separately. Moreover, the proposed approach is independent of any distributional assumption concerning the one-sided error term associated with technical inefficiency, and can easily be estimated using FGLS. Comparative... Tipo: Conference Paper or Presentation Palavras-chave: TIME-VARYING EFFICIENCY; PANEL DATA; DAIRY; Research and Development/Tech Change/Emerging Technologies; O0; Q1. Ano: 1999 URL: http://purl.umn.edu/11842 Registros recuperados: 2 Primeira ... 1 ... Última

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