Casanovas Oliva, Valero
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Casanovas Oliva
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Valero
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Gestión de Empresas
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Publication Open Access Feed prices and production costs on Spanish dairy farms(Instituto Nacional de Investigacion y Tecnologia Agraria y Alimentaria (INIA), 2014) Aldanondo Ochoa, Ana María; Casanovas Oliva, Valero; Gestión de Empresas; Enpresen KudeaketaThis paper analyses the impact of livestock feed prices and pasture quality on the long and short-term costs of milk production in a region of Spain (Navarre). The empirical results are obtained from the estimation of a flexible shortrun cost function, followed by the approximation of long-run equilibrium based on the quasi-fixed factors adjusted to their optimal levels. The results reveal a high sensitivity of milk production costs to changes in livestock feed prices due to two reasons. One is that, as milk production expands, it tends to become technologically more intensive. The other is that, in the current structure of dairy farming, land input is suboptimal, particularly in the case of large farms and areas of poor pasture. The results reveal that short-run substitution between feed and livestock is a potential strategy for farms to respond to feed price increases. They also suggest that structural policies designed to strengthen the dairy sector’s competitiveness should vary according to agro-climatic conditions. In areas of poor pasture, herd growth might be used as a long-term measure to increase competitiveness through economies of scalePublication Open Access Input aggregation bias in technical efficiency with multiple criteria analysis(Routledge, 2015) Aldanondo Ochoa, Ana María; Casanovas Oliva, Valero; Gestión de Empresas; Enpresen KudeaketaWe extend the Tauer (2001) and Färeet al. (2004) analyses of aggregation bias in technical efficiency measurement to multiple criteria decision analysis. We show input aggregation conditions consistent with multiple criteria evaluation of overall efficiency in conjunction with the variation in aggregation bias.Publication Open Access Pooling expert opinion on environmental discounting: an international Delphi survey(Medknow, 2016) Martínez Paz, José Miguel; Almansa Sáez, Carmen; Casanovas Oliva, Valero; Colino, José; Gestión de Empresas; Enpresen KudeaketaThe primary aim of this study is to examine the various issues involved in environmental discounting using a Delphi survey of a worldwide panel drawn from specialists in issues relating to discounting and long-term investment evaluation. The environmental discount rate is applied when performing cost–benefit analysis (CBA) on projects with environmental impact, in order to aggregate tangible and intangible effects. A review of the preceding literature shows that, after decades of academic debate, opinions have gradually converged. Furthermore, public administrations have begun to echo the need for a new look at the long-term discounting. One of the main findings of this study is the virtual unanimity of experts regarding the need to modify the approach to intergenerational discounting. The survey also yields a proposal for specific values for discount rates, based on the time horizon for the project under evaluation. The application of the resulting rates in the socio-economic evaluation of a project of environmental restoration provides numerical evidence of the importance of the choice of both discount rate and discount strategy.Publication Open Access Explaining farm succession: the impact of farm location and off-farm employment opportunities(Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), 2007) Aldanondo Ochoa, Ana María; Casanovas Oliva, Valero; Almansa Sáez, Carmen; Gestión de Empresas; Enpresen KudeaketaEn este trabajo se analiza el impacto de la localización de la explotación agrícola en la sucesión familiar. Para ello se utiliza una encuesta a una muestra de explotaciones ubicadas a diferentes distancias del centro urbano en una comarca rural española. La disposición de datos agregados a nivel de explotación y de una sección cruzada, explotación/ hijo de agricultor, nos permite estudiar la sucesión desde dos perspectivas: la del agricultor y la de cada uno de sus hijos mayor de edad. La investigación considera las expectativas del padre con respecto a la sucesión y el impacto de las características individuales de cada hijo en su decisión de incorporarse a la agricultura. La estimación de los correspondientes modelos econométricos, un modelo probit y un modelo de panel probit ordenado con coeficientes aleatorios, pone de relevancia el significativo impacto de la localización de la explotación en la probabilidad de que algunos de los hijos del agricultor continúe con la empresa. Otros factores importantes, que afectan también a la sucesión, son el tamaño de la explotación y el nivel educativo de los hijos. Por lo tanto, las políticas que promuevan la creación de puestos de trabajo cualificado y la re-estructuración de la agricultura podrían retener a los jóvenes en las explotaciones agrarias.