{"id":21782,"date":"2018-03-09T09:11:42","date_gmt":"2018-03-09T09:11:42","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/three-essays-on-first-price-auctions\/"},"modified":"2018-03-09T09:11:42","modified_gmt":"2018-03-09T09:11:42","slug":"three-essays-on-first-price-auctions","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/three-essays-on-first-price-auctions\/","title":{"rendered":"Three essays on first-price auctions"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Irene Mart\u00ednez L\u00f3pez-pardina <\/strong><\/h2>\n<p>En esta tesis se analizan tres mecanismos de subastas distintos, todos ellos bajo el supuesto de valoraciones privadas e independientes.  el primer mecanismo que analizamos es una subasta de m\u00faltiples unidades en las que los objetos son vendidos secuencialmente por medio de subastas de precio descendentes. La caracter\u00edstica que hace a esta subasta diferente de la \u00abest\u00e1ndar\u00bb, analizada por weber (1983) es que despu\u00e9s de la venta del primer objeto el precio no vuelve a subir, sino que los objetos que quedan son ofrecidos al resto de los compradores al mismo precio. Si los objetos no se venden a ese precio, la subasta contin\u00faa dejando que el precio siga descendiendo. Esta subasta se analiza en dos contextos: con un modelo de valoraciones continuas y con uno de valoraciones discretas. Se demuestra que si existe un equilibrio sim\u00e9trico con pujas mon\u00f3tonas, el resultado de la subasta es ineficiente con probabilidad positiva. Aplicando el teorema de equiValencia de rentas se concluye que la subasta no maximiza los beneficios esperados del vendedor.  para poder comparar los precios medios y las varianzas analizamos un modelo de valoraciones discretas.  demostramos que los precios esperados son menores en nuestra subasta y que tambi\u00e9n lo es la varianza de los beneficios del vendedor. Damos un ejemplo de una familia de funciones de utilidad von neumann-morgenstern tal que la utilidad esperada del vendedor es mayor en una u otra de la subasta dependiendo de los valores del par\u00e1metro alfa.  el segundo mecanismo es una subasta asim\u00e9trica de primer precio donde la valoraci\u00f3n de uno de los pastores es conocida. Demostramos que no existe ning\u00fan equilibrio en estrategias puras y caracterizamos un equilibrio en estrategias mixtas en el que el postor cuya valoraci\u00f3n es conocida randomiza su puja, mientras que los dem\u00e1s pastores juegan una estrategia pura (y mon\u00f3tona). El resultado de la subasta es ineficiente con la probabilidad positiva<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Three essays on first-price auctions<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Three essays on first-price auctions <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Irene Mart\u00ednez L\u00f3pez-pardina <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Aut\u00f3noma de barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 24\/02\/2003<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Benny Moldovanu<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: clara Ponsat\u00ed obiols <\/li>\n<li>fabrizio Germano (vocal)<\/li>\n<li>Jos\u00e9 Ganuza Juan (vocal)<\/li>\n<li>daniel Cardona coll (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Irene Mart\u00ednez L\u00f3pez-pardina En esta tesis se analizan tres mecanismos de subastas distintos, todos ellos bajo el [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[65508,48335,65511,65509,65507,65510],"class_list":["post-21782","post","type-post","status-publish","format-standard","hentry","category-sin-categoria","tag-benny-moldovanu","tag-clara-ponsati-obiols","tag-daniel-cardona-coll","tag-fabrizio-germano","tag-irene-Martinez-lopez-pardina","tag-jose-ganuza-juan"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/21782","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/comments?post=21782"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/21782\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=21782"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=21782"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=21782"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}