{"title":"矿业投资决策中的风险管理:全球方法。","authors":"J. Botín","doi":"10.21701/BOLGEOMIN.130.1.005","DOIUrl":null,"url":null,"abstract":"espanolLa cuantificacion del riesgo economico asociado a las decisiones de inversion en mineria es un desafio critico para ejecutivos de empresas mineras e inversores. Sin embargo, el analisis de riesgo en la mayoria de los estudios de viabilidad final se basa en modelos estocasticos del Valor Actual Neto (VAN) que, generalmente, no cuantifican el riesgo asociado a la incertidumbre en las variables tecnicas y de gestion del proyecto y, por tanto, son de escaso valor para la toma de decision de viabilidad del proyecto. Este articulo, en parte basado en otras publicaciones del autor, analiza la inversion minera como un proceso escalonado de decision bajo incertidumbre y riesgo y propone un modelo metodologico global para la gestion de riesgo en la cadena de valor del proyecto, con foco en la cuantificacion del riesgo y la optimizacion del valor anadido. El articulo incluye un caso de estudio en el que se valida el modelo mediante su aplicacion a un yacimiento de cobre en Chile. EnglishQuantifying risks associated to mining investment decisions is a key challenge for the mineral industry executives and investors. However, risk analysis in most bankable mine feasibility studies is based on stochastic modelling of the net present value (NPV) of a project which, in most cases, fails to quantify risk associated to uncertainty on technical and management variables of the project and, as a result, are of little use for feasibility decision taking. This paper is, in part, based on the author’s publications, discusses mining investment as stepwise decision process under uncertainty and risk and proposes a global methodological model for the management of risk throughout the project value chain, focusing on risk quantification and value-added optimization. The paper includes a case study where the model is validated by its application to a copper ore body in Chile.","PeriodicalId":45458,"journal":{"name":"BOLETIN GEOLOGICO Y MINERO","volume":" ","pages":""},"PeriodicalIF":0.2000,"publicationDate":"2019-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Gestión de riesgo en decisiones de inversión minera: un enfoque global.\",\"authors\":\"J. Botín\",\"doi\":\"10.21701/BOLGEOMIN.130.1.005\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"espanolLa cuantificacion del riesgo economico asociado a las decisiones de inversion en mineria es un desafio critico para ejecutivos de empresas mineras e inversores. Sin embargo, el analisis de riesgo en la mayoria de los estudios de viabilidad final se basa en modelos estocasticos del Valor Actual Neto (VAN) que, generalmente, no cuantifican el riesgo asociado a la incertidumbre en las variables tecnicas y de gestion del proyecto y, por tanto, son de escaso valor para la toma de decision de viabilidad del proyecto. Este articulo, en parte basado en otras publicaciones del autor, analiza la inversion minera como un proceso escalonado de decision bajo incertidumbre y riesgo y propone un modelo metodologico global para la gestion de riesgo en la cadena de valor del proyecto, con foco en la cuantificacion del riesgo y la optimizacion del valor anadido. El articulo incluye un caso de estudio en el que se valida el modelo mediante su aplicacion a un yacimiento de cobre en Chile. EnglishQuantifying risks associated to mining investment decisions is a key challenge for the mineral industry executives and investors. However, risk analysis in most bankable mine feasibility studies is based on stochastic modelling of the net present value (NPV) of a project which, in most cases, fails to quantify risk associated to uncertainty on technical and management variables of the project and, as a result, are of little use for feasibility decision taking. This paper is, in part, based on the author’s publications, discusses mining investment as stepwise decision process under uncertainty and risk and proposes a global methodological model for the management of risk throughout the project value chain, focusing on risk quantification and value-added optimization. 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Gestión de riesgo en decisiones de inversión minera: un enfoque global.
espanolLa cuantificacion del riesgo economico asociado a las decisiones de inversion en mineria es un desafio critico para ejecutivos de empresas mineras e inversores. Sin embargo, el analisis de riesgo en la mayoria de los estudios de viabilidad final se basa en modelos estocasticos del Valor Actual Neto (VAN) que, generalmente, no cuantifican el riesgo asociado a la incertidumbre en las variables tecnicas y de gestion del proyecto y, por tanto, son de escaso valor para la toma de decision de viabilidad del proyecto. Este articulo, en parte basado en otras publicaciones del autor, analiza la inversion minera como un proceso escalonado de decision bajo incertidumbre y riesgo y propone un modelo metodologico global para la gestion de riesgo en la cadena de valor del proyecto, con foco en la cuantificacion del riesgo y la optimizacion del valor anadido. El articulo incluye un caso de estudio en el que se valida el modelo mediante su aplicacion a un yacimiento de cobre en Chile. EnglishQuantifying risks associated to mining investment decisions is a key challenge for the mineral industry executives and investors. However, risk analysis in most bankable mine feasibility studies is based on stochastic modelling of the net present value (NPV) of a project which, in most cases, fails to quantify risk associated to uncertainty on technical and management variables of the project and, as a result, are of little use for feasibility decision taking. This paper is, in part, based on the author’s publications, discusses mining investment as stepwise decision process under uncertainty and risk and proposes a global methodological model for the management of risk throughout the project value chain, focusing on risk quantification and value-added optimization. The paper includes a case study where the model is validated by its application to a copper ore body in Chile.
期刊介绍:
The journal publishes papers on a wide range of research topics in the field of Earth Sciences. - Stratigraphy, sedimentology and palaeogeography - Historical and regional geology - Tectonics, structural geology and geophysics - Earthquate Geology and Paleosismology - Marine geology and oceanography - Geomorphology and physical geography - Hydrology, hydrogeology and water resources management - Pedology and soil sciences - Mineralogy, crystallography, metallography and mineral deposits - Petrology and geochemistry - Palaeontology - Geoscientific mapping and information systems - Environmental geology, Palaeoclimatoloy and Global Change - Planetary geology - Applied geology, geotechnics, geological and ground engineering - Mining prospecting and research, mineral resources management and underground works - Metallurgy, metallurgical engineering, materials science and technology - History and epistemology of earth sciences - Popular science, geological and mining heritage - Geological hazards - Economic aspects of earth sciences - Other related topics…