{"id":26595,"date":"2023-12-07T02:41:58","date_gmt":"2023-12-07T02:41:58","guid":{"rendered":"https:\/\/masterskills.org\/blog\/thi-truong-nhi-quyen-ban-duopoly-la-gi-cac-dang-chu-yeu-cua-mo-hinh-thi-truong-nhi-quyen-ban.html"},"modified":"2023-12-22T14:54:20","modified_gmt":"2023-12-22T07:54:20","slug":"thi-truong-nhi-quyen-ban-duopoly-la-gi-cac-dang-chu-yeu-cua-mo-hinh-thi-truong-nhi-quyen-ban","status":"publish","type":"post","link":"https:\/\/masterskills.org\/blog\/thi-truong-nhi-quyen-ban-duopoly-la-gi-cac-dang-chu-yeu-cua-mo-hinh-thi-truong-nhi-quyen-ban.html","title":{"rendered":"Th\u1ecb tr\u01b0\u1eddng nh\u1ecb quy\u1ec1n b\u00e1n (Duopoly) l\u00e0 g\u00ec? C\u00e1c d\u1ea1ng ch\u1ee7 y\u1ebfu c\u1ee7a m\u00f4 h\u00ecnh th\u1ecb tr\u01b0\u1eddng nh\u1ecb quy\u1ec1n b\u00e1n"},"content":{"rendered":"<div class=\"vnbcbc-body vceditor-content wi-active\" data-role=\"content\">\n<div class=\"VCSortableInPreviewMode\" type=\"Photo\" style=\"\">\n<div><\/div>\n<div class=\"PhotoCMS_Caption\">\n<p>H\u00ecnh minh h\u1ecda<\/p>\n<\/div>\n<\/div>\n<h2><font style=\"line-height: 22px; font-size: 22px;\" color=\"#3d85c6\">Th\u1ecb tr\u01b0\u1eddng nh\u1ecb quy\u1ec1n b\u00e1n (Duopoly)<\/font><\/h2>\n<p><b>Kh\u00e1i ni\u1ec7m<\/b><\/p>\n<p><b>Th\u1ecb tr\u01b0\u1eddng nh\u1ecb quy\u1ec1n b\u00e1n<\/b> trong ti\u1ebfng Anh l\u00e0 <b>Duopoly.<\/b><\/p>\n<p><i>Th\u1ecb tr\u01b0\u1eddng nh\u1ecb quy\u1ec1n b\u00e1n<\/i> l\u00e0\u00a0m\u1ed9t lo\u1ea1i th\u1ecb tr\u01b0\u1eddng thi\u1ec3u quy\u1ec1n trong \u0111\u00f3 ch\u1ec9 c\u00f3 hai ng\u01b0\u1eddi b\u00e1n, v\u00ed d\u1ee5 hai doanh nghi\u1ec7p b\u00e1n h\u00e0ng cho m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn ti\u00eau d\u00f9ng. M\u1ed7i ng\u01b0\u1eddi ti\u00eau d\u00f9ng \u0111\u1ec1u qu\u00e1 nh\u1ecf, kh\u00f4ng th\u1ec3 t\u00e1c \u0111\u1ed9ng v\u00e0o gi\u00e1 th\u1ecb tr\u01b0\u1eddng c\u1ee7a h\u00e0ng h\u00f3a ho\u1eb7c d\u1ecbch v\u1ee5 m\u00e0 h\u1ecd mua. X\u00e9t v\u1ec1 b\u00ean b\u00e1n, th\u1ecb tr\u01b0\u1eddng c\u00f3 hai \u0111\u1ed1i th\u1ee7 ch\u01a1i m\u1ed9t tr\u00f2 ch\u01a1i c\u00f3 t\u1ed5ng thay \u0111\u1ed5i.\u00a0<\/p>\n<h3><font style=\"line-height: 22px; font-size: 22px;\" color=\"#3d85c6\">C\u00e1c d\u1ea1ng ch\u1ee7 y\u1ebfu c\u1ee7a m\u00f4 h\u00ecnh th\u1ecb tr\u01b0\u1eddng nh\u1ecb quy\u1ec1n b\u00e1n<\/font><\/h3>\n<p>M\u00f4 h\u00ecnh th\u1ecb tr\u01b0\u1eddng nh\u1ecb quy\u1ec1n c\u00f3 hai d\u1ea1ng ch\u1ee7 y\u1ebfu:<\/p>\n<p>1. M\u00f4 h\u00ecnh kh\u00f4ng ph\u1ea3n \u1ee9ng:\u00a0m\u00f4 h\u00ecnh n\u00e0y gi\u1ea3 \u0111\u1ecbnh m\u1ed9t trong hai c\u00f4ng ty kh\u00f4ng th\u1ec3 d\u1ef1 ki\u1ebfn \u0111\u01b0\u1ee3c ph\u1ea3n \u1ee9ng c\u00f4ng ty kia, c\u1ea3 v\u1ec1 gi\u00e1 c\u1ea3 l\u1eabn s\u1ea3n l\u01b0\u1ee3ng. V\u00ed d\u1ee5, trong\u00a0m\u00f4 h\u00ecnh nh\u1ecb quy\u1ec1n Bertrand, c\u1ea3 hai c\u00f4ng ty \u0111\u1ec1u gi\u1ea3 \u0111\u1ecbnh \u0111\u1ed1i th\u1ee7 kh\u00f4ng gi\u1ea3m gi\u00e1 \u0111\u1ec3 \u0111\u00e1p l\u1ea1i bi\u1ec7n ph\u00e1p gi\u1ea3m gi\u00e1 ban \u0111\u1ea7u c\u1ee7a m\u00ecnh (t\u1ee9c kh\u00f4ng ph\u1ea3n \u1ee9ng), v\u00e0 gi\u1ea3 \u0111\u1ecbnh n\u00e0y th\u00fac \u0111\u1ea9y h\u1ecd gi\u1ea3m gi\u00e1 \u0111\u1ec3 t\u0103ng doanh thu.<\/p>\n<p>V\u00ec c\u1ea3 hai c\u00f4ng ty \u0111\u1ec1u l\u1eadp lu\u1eadn theo c\u00f9ng m\u1ed9t h\u01b0\u1edbng, n\u00ean gi\u00e1 c\u1ea3 c\u00f3 th\u1ec3 b\u1ecb \u00e9p xu\u1ed1ng t\u1edbi m\u1ee9c c\u1ea1nh tranh, ngh\u0129a l\u00e0 c\u1ea3 hai ch\u1ec9 thu \u0111\u01b0\u1ee3c l\u1ee3i nhu\u1eadn b\u00ecnh th\u01b0\u1eddng. Trong\u00a0m\u00f4 h\u00ecnh nh\u1ecb quy\u1ec1n Cournot, c\u00e1c c\u00f4ng ty \u0111i\u1ec1u ch\u1ec9nh s\u1ea3n l\u01b0\u1ee3ng ch\u1ee9 kh\u00f4ng ph\u1ea3i gi\u00e1 c\u1ea3.<\/p>\n<p>Trong m\u00f4 h\u00ecnh n\u00e0y, c\u00e1c c\u00f4ng ty thay \u0111\u1ed5i s\u1ea3n l\u01b0\u1ee3ng c\u1ee7a m\u00ecnh trong khi gi\u1ea3 \u0111\u1ecbnh r\u1eb1ng s\u1ea3n l\u01b0\u1ee3ng c\u1ee7a \u0111\u1ed1i th\u1ee7 c\u1ea1nh tranh kh\u00f4ng thay \u0111\u1ed5i. V\u00ec hai c\u00f4ng ty c\u00f9ng suy ngh\u0129 theo m\u1ed9t h\u01b0\u1edbng, s\u1ea3n l\u01b0\u1ee3ng c\u00f3 th\u1ec3 t\u0103ng \u0111\u1ebfn m\u1ee9c hai c\u00f4ng ty c\u00f3 c\u00f9ng th\u1ecb ph\u1ea7n v\u00e0 ch\u1ec9 thu \u0111\u01b0\u1ee3c l\u1ee3i nhu\u1eadn b\u00ecnh th\u01b0\u1eddng.<\/p>\n<p>2. M\u00f4 h\u00ecnh ph\u1ea3n \u1ee9ng:\u00a0m\u00f4 h\u00ecnh gi\u1ea3 \u0111\u1ecbnh hai c\u00f4ng ty nh\u1eadn th\u1ee9c \u0111\u01b0\u1ee3c r\u1eb1ng h\u00e0nh \u0111\u1ed9ng c\u1ee7a h\u1ecd c\u00f3 quan h\u1ec7 qua l\u1ea1i v\u1edbi nhau v\u00e0 b\u1edfi v\u1eady t\u00ecm c\u00e1ch tr\u00e1nh nh\u1eefng h\u00ecnh th\u1ee9c c\u1ea1nh tranh g\u00e2y thi\u1ec7t h\u1ea1i cho nhau. M\u00f4 h\u00ecnh n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0\u00a0th\u1ecb tr\u01b0\u1eddng nh\u1ecb quy\u1ec1n c\u1ea5u k\u1ebft.<\/p>\n<p>S\u1ef1 c\u1ea5u k\u1ebft c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c b\u1eb1ng c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n kh\u00f4ng ch\u00ednh th\u1ee9c, ch\u1eb3ng h\u1ea1n c\u1ea3 hai nh\u00e0 nh\u1ecb quy\u1ec1n \u0111\u1ec1u ng\u1ea7m ch\u1ea5p nh\u1eadn r\u1eb1ng m\u1ed9t trong s\u1ed1 h\u1ecd l\u00e0 ng\u01b0\u1eddi ch\u1ec9 \u0111\u1ea1o gi\u00e1 (m\u00f4 h\u00ecnh ch\u1ec9 \u0111\u1ea1o gi\u00e1) ho\u1eb7c b\u1eb1ng c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n t\u1ea1o l\u1eadp s\u1ef1 c\u1ea5u k\u1ebft ch\u00ednh th\u1ee9c gi\u1eefa h\u1ecd v\u1edbi nhau (c\u00e1c ten).<\/p>\n<p><i>(T\u00e0i li\u1ec7u tham kh\u1ea3o: Nguy\u1ec5n V\u0103n Ng\u1ecdc, T\u1eeb \u0111i\u1ec3n Kinh t\u1ebf h\u1ecdc, \u0110\u1ea1i h\u1ecdc Kinh t\u1ebf Qu\u1ed1c d\u00e2n)<\/i><\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<div class=\"vnbcbc-sapo\" data-role=\"sapo\">\n                            Th\u1ecb tr\u01b0\u1eddng nh\u1ecb quy\u1ec1n b\u00e1n (ti\u1ebfng Anh: Duopoly) l\u00e0 m\u1ed9t lo\u1ea1i th\u1ecb tr\u01b0\u1eddng thi\u1ec3u quy\u1ec1n trong \u0111\u00f3 ch\u1ec9 c\u00f3 hai ng\u01b0\u1eddi b\u00e1n, v\u00ed d\u1ee5 hai doanh nghi\u1ec7p b\u00e1n h\u00e0ng cho m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn ti\u00eau d\u00f9ng.\n                        <\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[414],"tags":[],"_links":{"self":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/26595"}],"collection":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/comments?post=26595"}],"version-history":[{"count":0,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/26595\/revisions"}],"wp:attachment":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/media?parent=26595"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/categories?post=26595"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/tags?post=26595"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}