{"id":4039,"date":"2016-12-02T15:45:36","date_gmt":"2016-12-02T15:45:36","guid":{"rendered":"https:\/\/policonomics.com\/es\/?p=4039"},"modified":"2018-03-01T16:21:48","modified_gmt":"2018-03-01T16:21:48","slug":"dualidad-consumo","status":"publish","type":"post","link":"https:\/\/policonomics.com\/es\/dualidad-consumo\/","title":{"rendered":"Dualidad en el consumo"},"content":{"rendered":"<p>Hay dos formas de resolver el problema de decisio\u0301n del consumidor. Podemos tanto fijar un <span style=\"text-decoration: underline;\"><em><a href=\"https:\/\/policonomics.com\/es\/restriccion-presupuestaria\/\">presupuesto<\/a><\/em><\/span> y obtener la <span style=\"text-decoration: underline;\"><em><a href=\"https:\/\/policonomics.com\/es\/maximizacion-utilidad\/\">ma\u0301xima utilidad<\/a><\/em><\/span> (demanda primal) o fijar un nivel de <span style=\"text-decoration: underline;\"><em><a href=\"https:\/\/policonomics.com\/es\/utilidad\/\">utilidad<\/a><\/em><\/span> que queremos alcanzar y <span style=\"text-decoration: underline;\"><em><a href=\"https:\/\/policonomics.com\/es\/minimizacion-coste\/\">minimizar el coste<\/a><\/em><\/span> (demanda dual).<\/p>\n<p>La forma de resolver cada problema es muy similar: buscamos la funcio\u0301n <span style=\"text-decoration: underline;\"><em><a href=\"https:\/\/policonomics.com\/es\/lagrangiana\/\">lagrangiana<\/a><\/em><\/span> y obtenemos lascondiciones de primer orden, entonces resolvemos el sistema.<br \/>\nCuando trabajemos con la demanda primal, es decir, maximizacio\u0301n de utilidad, nuestra funcio\u0301n lagrangiana sera\u0301:<br \/>\nsujeto a<br \/>\nPor lo tanto:<br \/>\nEs decir, la funcio\u0301n lagrangiana es nuestra funcio\u0301n de utilidad, que depende de x1, x2 , menos la restriccio\u0301n presupuestaria. Las condiciones de primer orden (que obtenemos de las primeras derivadas) nos dan las <span style=\"text-decoration: underline;\"><em><a href=\"https:\/\/policonomics.com\/es\/curvas-demanda-marshalliana-hicksiana\/\">curvas de demanda marshaliana<\/a><\/em><\/span>.<br \/>\nCuando trabajemos con la demanda dual, es decir, minimizacio\u0301n del coste, nuestro sistema lagrangiano sera\u0301:<br \/>\nsujeto a<br \/>\nPor lo tanto:<br \/>\nEs decir, la funcio\u0301n lagrangiana es nuestra funcio\u0301n de coste, que depende de x1, x2 , menos la funcio\u0301n de utilidad, que debe ser igual a una constante. Las condiciones de primer orden nos dan las <span style=\"text-decoration: underline;\"><em><a href=\"https:\/\/policonomics.com\/es\/curvas-demanda-marshalliana-hicksiana\/\">curvas de demanda hicksiana<\/a><\/em><\/span>.<\/p>\n<table style=\"width: 350px; border: 1px solid grey; height: 370px;\" border=\"1\" frame=\"border\" align=\"left\">\n<tbody>\n<tr>\n<td>Cuando trabajemos con la demanda primal, es decir, maximizaci\u00f3n de utilidad, nuestra funci\u00f3n lagrangiana ser\u00e1:<\/p>\n<p><a href=\"https:\/\/policonomics.com\/wp-content\/uploads\/2016\/02\/formula-es-Dualidad-consumo-Maximizaxion-utilidad.png\" rel=\"lightbox\"><img decoding=\"async\" class=\"aligncenter wp-image-5685\" src=\"https:\/\/policonomics.com\/wp-content\/uploads\/2016\/02\/formula-es-Dualidad-consumo-Maximizaxion-utilidad-300x49.png\" alt=\"Formula - Dualidad del consumo - Maximizacion de la utilidad\" width=\"122\" height=\"20\" srcset=\"https:\/\/policonomics.com\/wp-content\/uploads\/2016\/02\/formula-es-Dualidad-consumo-Maximizaxion-utilidad-300x49.png 300w, https:\/\/policonomics.com\/wp-content\/uploads\/2016\/02\/formula-es-Dualidad-consumo-Maximizaxion-utilidad.png 396w\" sizes=\"(max-width: 122px) 100vw, 122px\" \/><\/a><\/p>\n<p>sujeto a<\/p>\n<p><a href=\"https:\/\/policonomics.com\/wp-content\/uploads\/2016\/02\/formula-es-Dualidad-consumo-Restriccion-presupuestaria.png\" rel=\"lightbox\"><img decoding=\"async\" class=\"aligncenter wp-image-5687\" src=\"https:\/\/policonomics.com\/wp-content\/uploads\/2016\/02\/formula-es-Dualidad-consumo-Restriccion-presupuestaria-300x34.png\" alt=\"Formula - Dualidad del consumo - Restriccion presupuestaria\" width=\"176\" height=\"20\" srcset=\"https:\/\/policonomics.com\/wp-content\/uploads\/2016\/02\/formula-es-Dualidad-consumo-Restriccion-presupuestaria-300x34.png 300w, https:\/\/policonomics.com\/wp-content\/uploads\/2016\/02\/formula-es-Dualidad-consumo-Restriccion-presupuestaria.png 475w\" sizes=\"(max-width: 176px) 100vw, 176px\" \/><\/a><\/p>\n<p>Por lo tanto:<\/p>\n<p><a href=\"https:\/\/policonomics.com\/wp-content\/uploads\/2016\/02\/formula-es-Dualidad-consumo-Lagrangiano-problema-primal.png\" rel=\"lightbox\"><img decoding=\"async\" class=\"aligncenter wp-image-5684\" src=\"https:\/\/policonomics.com\/wp-content\/uploads\/2016\/02\/formula-es-Dualidad-consumo-Lagrangiano-problema-primal-300x19.png\" alt=\"Formula - Dualidad del consumo - Lagrangiano del problema primal\" width=\"316\" height=\"20\" srcset=\"https:\/\/policonomics.com\/wp-content\/uploads\/2016\/02\/formula-es-Dualidad-consumo-Lagrangiano-problema-primal-300x19.png 300w, https:\/\/policonomics.com\/wp-content\/uploads\/2016\/02\/formula-es-Dualidad-consumo-Lagrangiano-problema-primal-768x49.png 768w, https:\/\/policonomics.com\/wp-content\/uploads\/2016\/02\/formula-es-Dualidad-consumo-Lagrangiano-problema-primal-1024x65.png 1024w, https:\/\/policonomics.com\/wp-content\/uploads\/2016\/02\/formula-es-Dualidad-consumo-Lagrangiano-problema-primal-600x38.png 600w, https:\/\/policonomics.com\/wp-content\/uploads\/2016\/02\/formula-es-Dualidad-consumo-Lagrangiano-problema-primal-560x35.png 560w, https:\/\/policonomics.com\/wp-content\/uploads\/2016\/02\/formula-es-Dualidad-consumo-Lagrangiano-problema-primal.png 1027w\" sizes=\"(max-width: 316px) 100vw, 316px\" \/><\/a><\/p>\n<p>Es decir, la funci\u00f3n lagrangiana es nuestra funci\u00f3n de utilidad, que depende de x<sub>1<\/sub>, x<sub>2 <\/sub>, menos la restricci\u00f3n presupuestaria. Las condiciones de primer orden (que obtenemos de las primeras derivadas) nos dan las curvas de <a href=\"https:\/\/policonomics.com\/es\/curvas-demanda-marshalliana-hicksiana\/\"><em>demanda marshaliana<\/em><\/a>.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table style=\"width: 350px; border: 1px solid grey; height: 370px;\" border=\"1\" frame=\"border\" align=\"right\">\n<tbody>\n<tr>\n<td>Cuando trabajemos con la demanda dual, es decir, minimizaci\u00f3n del coste, nuestro sistema lagrangiano ser\u00e1:<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/policonomics.com\/wp-content\/uploads\/2016\/02\/formula-es-Dualidad-consumo-Minimizacion-costes.png\" rel=\"lightbox\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-5686\" src=\"https:\/\/policonomics.com\/wp-content\/uploads\/2016\/02\/formula-es-Dualidad-consumo-Minimizacion-costes-300x38.png\" alt=\"Formula - Dualidad del consumo - Minimizacion de costes\" width=\"157\" height=\"20\" srcset=\"https:\/\/policonomics.com\/wp-content\/uploads\/2016\/02\/formula-es-Dualidad-consumo-Minimizacion-costes-300x38.png 300w, https:\/\/policonomics.com\/wp-content\/uploads\/2016\/02\/formula-es-Dualidad-consumo-Minimizacion-costes.png 462w\" sizes=\"(max-width: 157px) 100vw, 157px\" \/><\/a><\/p>\n<p>sujeto a<\/p>\n<p><a href=\"https:\/\/policonomics.com\/wp-content\/uploads\/2016\/02\/formula-es-Dualidad-consumo-Condicion-utilidad.png\" rel=\"lightbox\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-5682\" src=\"https:\/\/policonomics.com\/wp-content\/uploads\/2016\/02\/formula-es-Dualidad-consumo-Condicion-utilidad-300x54.png\" alt=\"Formula - Dualidad del consumo - Condicion de utilidad\" width=\"110\" height=\"20\" srcset=\"https:\/\/policonomics.com\/wp-content\/uploads\/2016\/02\/formula-es-Dualidad-consumo-Condicion-utilidad-300x54.png 300w, https:\/\/policonomics.com\/wp-content\/uploads\/2016\/02\/formula-es-Dualidad-consumo-Condicion-utilidad-360x70.png 360w, https:\/\/policonomics.com\/wp-content\/uploads\/2016\/02\/formula-es-Dualidad-consumo-Condicion-utilidad.png 386w\" sizes=\"(max-width: 110px) 100vw, 110px\" \/><\/a><\/p>\n<p>Por lo tanto:<\/p>\n<p><a href=\"https:\/\/policonomics.com\/wp-content\/uploads\/2016\/02\/formula-es-Dualidad-consumo-Lagrangiano-problema-dual.png\" rel=\"lightbox\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-5683\" src=\"https:\/\/policonomics.com\/wp-content\/uploads\/2016\/02\/formula-es-Dualidad-consumo-Lagrangiano-problema-dual-300x21.png\" alt=\"Formula - Dualidad del consumo - Lagrangiano del problema dual\" width=\"287\" height=\"20\" srcset=\"https:\/\/policonomics.com\/wp-content\/uploads\/2016\/02\/formula-es-Dualidad-consumo-Lagrangiano-problema-dual-300x21.png 300w, https:\/\/policonomics.com\/wp-content\/uploads\/2016\/02\/formula-es-Dualidad-consumo-Lagrangiano-problema-dual-768x54.png 768w, https:\/\/policonomics.com\/wp-content\/uploads\/2016\/02\/formula-es-Dualidad-consumo-Lagrangiano-problema-dual-600x42.png 600w, https:\/\/policonomics.com\/wp-content\/uploads\/2016\/02\/formula-es-Dualidad-consumo-Lagrangiano-problema-dual-560x39.png 560w, https:\/\/policonomics.com\/wp-content\/uploads\/2016\/02\/formula-es-Dualidad-consumo-Lagrangiano-problema-dual.png 1019w\" sizes=\"(max-width: 287px) 100vw, 287px\" \/><\/a><\/p>\n<p>Es decir, la funci\u00f3n lagrangiana es nuestra funci\u00f3n de coste, que depende de x<sub>1<\/sub>, x<sub>2 <\/sub>, menos la funci\u00f3n de utilidad, que debe ser igual a una constante. Las condiciones de primer orden nos dan las curvas de <a href=\"https:\/\/policonomics.com\/es\/curvas-demanda-marshalliana-hicksiana\/\"><em>demanda hicksiana<\/em><\/a>.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hay dos formas de resolver el problema de decisio\u0301n del consumidor. Podemos tanto fijar un presupuesto y obtener la ma\u0301xima utilidad (demanda primal) o fijar un nivel de utilidad que queremos alcanzar y minimizar el coste (demanda dual). La forma de resolver cada problema es muy similar: buscamos la funcio\u0301n lagrangiana y obtenemos lascondiciones de [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[345,126],"tags":[],"class_list":["post-4039","post","type-post","status-publish","format-standard","hentry","category-microeconomia-tes","category-termino-es"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Hay dos formas de resolver el problema de decisio\u0301n del consumidor. Podemos tanto fijar un presupuesto y obtener la ma\u0301xima utilidad (demanda primal) o fijar un nivel de utilidad que queremos alcanzar y minimizar el coste (demanda dual). La forma de resolver cada problema es muy similar: buscamos la funcio\u0301n lagrangiana y obtenemos lascondiciones de\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Lope Gallego\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/policonomics.com\/es\/dualidad-consumo\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"es_ES\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Policonomics - Economics made simple\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Dualidad en el consumo - Policonomics\" \/>\n\t\t<meta property=\"og:description\" content=\"Hay dos formas de resolver el problema de decisio\u0301n del consumidor. Podemos tanto fijar un presupuesto y obtener la ma\u0301xima utilidad (demanda primal) o fijar un nivel de utilidad que queremos alcanzar y minimizar el coste (demanda dual). 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