{"id":25117,"date":"2023-12-07T00:12:58","date_gmt":"2023-12-07T00:12:58","guid":{"rendered":"https:\/\/masterskills.org\/blog\/phan-ung-thai-qua-overreaction-trong-kinh-te-hoc-hanh-vi-la-gi.html"},"modified":"2023-12-22T09:56:48","modified_gmt":"2023-12-22T02:56:48","slug":"phan-ung-thai-qua-overreaction-trong-kinh-te-hoc-hanh-vi-la-gi","status":"publish","type":"post","link":"https:\/\/masterskills.org\/blog\/phan-ung-thai-qua-overreaction-trong-kinh-te-hoc-hanh-vi-la-gi.html","title":{"rendered":"Ph\u1ea3n \u1ee9ng th\u00e1i qu\u00e1 (Overreaction) trong kinh t\u1ebf h\u1ecdc h\u00e0nh vi l\u00e0 g\u00ec?"},"content":{"rendered":"
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H\u00ecnh minh h\u1ecda<\/i><\/p>\n<\/figcaption><\/figure>\n

Ph\u1ea3n \u1ee9ng th\u00e1i qu\u00e1<\/font><\/h2>\n

Kh\u00e1i ni\u1ec7m<\/b><\/p>\n

Ph\u1ea3n \u1ee9ng th\u00e1i qu\u00e1 <\/b>trong ti\u1ebfng Anh l\u00e0 Overreaction<\/b>.<\/p>\n

Ph\u1ea3n \u1ee9ng th\u00e1i qu\u00e1 <\/i>l\u00e0 m\u1ed9t ki\u1ec3u ph\u1ea3n \u1ee9ng c\u1ee7a c\u1ea3m x\u00fac \u0111\u1ed1i v\u1edbi th\u00f4ng tin m\u1edbi. Trong t\u00e0i ch\u00ednh v\u00e0 \u0111\u1ea7u t\u01b0, \u0111\u00f3 l\u00e0 m\u1ed9t ph\u1ea3n \u1ee9ng c\u1ee7a c\u1ea3m x\u00fac \u0111\u1ed1i v\u1edbi ch\u1ee9ng kho\u00e1n nh\u01b0 c\u1ed5 phi\u1ebfu ho\u1eb7c c\u00f4ng c\u1ee5 \u0111\u1ea7u t\u01b0 kh\u00e1c, \u0111\u01b0\u1ee3c d\u1eabn d\u1eaft b\u1edfi l\u00f2ng tham ho\u1eb7c s\u1ef1 s\u1ee3 h\u00e3i. C\u00e1c nh\u00e0 \u0111\u1ea7u t\u01b0 ph\u1ea3n \u1ee9ng th\u00e1i qu\u00e1<\/i> v\u1edbi tin t\u1ee9c, khi\u1ebfn ch\u1ee9ng kho\u00e1n r\u01a1i v\u00e0o tr\u1ea1ng th\u00e1i\u00a0qu\u00e1 mua\u00a0ho\u1eb7c\u00a0qu\u00e1 b\u00e1n, cho \u0111\u1ebfn khi n\u00f3 tr\u1edf v\u1ec1 gi\u00e1 tr\u1ecb n\u1ed9i t\u1ea1i.<\/p>\n

Hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 ph\u1ea3n \u1ee9ng th\u00e1i qu\u00e1<\/font><\/h3>\n

C\u00e1c nh\u00e0 \u0111\u1ea7u t\u01b0 kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng h\u00e0nh \u0111\u1ed9ng theo l\u00ed, h\u1ecd th\u01b0\u1eddng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi c\u00e1c \u0111\u1ecbnh ki\u1ebfn v\u1ec1 nh\u1eadn th\u1ee9c v\u00e0 c\u1ea3m x\u00fac.<\/p>\n

M\u1ed9t s\u1ed1 c\u00f4ng tr\u00ecnh c\u00f3 \u1ea3nh h\u01b0\u1edfng nh\u1ea5t trong t\u00e0i ch\u00ednh h\u00e0nh vi li\u00ean quan \u0111\u1ebfn ph\u1ea3n \u1ee9ng ban \u0111\u1ea7u v\u00e0 ph\u1ea3n \u1ee9ng th\u00e1i qu\u00e1<\/i> c\u1ee7a gi\u00e1 \u0111\u1ed1i v\u1edbi th\u00f4ng tin m\u1edbi. Nhi\u1ec1u qu\u0129 \u0111\u1ea7u t\u01b0 hi\u1ec7n s\u1eed d\u1ee5ng c\u00e1c chi\u1ebfn l\u01b0\u1ee3c t\u00e0i ch\u00ednh h\u00e0nh vi \u0111\u1ec3 khai th\u00e1c nh\u1eefng \u0111\u1ecbnh ki\u1ebfn n\u00e0y trong danh m\u1ee5c \u0111\u1ea7u t\u01b0 c\u1ee7a h\u1ecd, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u1edf c\u00e1c th\u1ecb tr\u01b0\u1eddng k\u00e9m hi\u1ec7u qu\u1ea3 h\u01a1n nh\u01b0 c\u1ed5 phi\u1ebfu c\u00e1c c\u00f4ng ty c\u00f3 v\u1ed1n h\u00f3a nh\u1ecf.<\/p>\n

C\u00e1c qu\u0129 \u0111\u1ea7u t\u01b0 t\u00ecm c\u00e1ch t\u1eadn d\u1ee5ng ph\u1ea3n \u1ee9ng th\u00e1i qu\u00e1<\/i> t\u00ecm ki\u1ebfm c\u00e1c c\u00f4ng ty c\u00f3 gi\u00e1 c\u1ed5 phi\u1ebfu th\u1ea5p do c\u00e1c tin t\u1ee9c x\u1ea5u v\u1ec1 thu nh\u1eadp, nh\u01b0ng nh\u1eefng tin t\u1ee9c \u0111\u00f3 c\u00f3 th\u1ec3 ch\u1ec9 mang t\u00ednh t\u1ea1m th\u1eddi. C\u1ed5 phi\u1ebfu c\u00f3 h\u1ec7 s\u1ed1 gi\u00e1\/gi\u00e1 tr\u1ecb s\u1ed5 s\u00e1ch th\u1ea5p, hay c\u00f2n g\u1ecdi l\u00e0 c\u1ed5 phi\u1ebfu gi\u00e1 tr\u1ecb, l\u00e0 m\u1ed9t v\u00ed d\u1ee5 v\u1ec1 c\u00e1c c\u1ed5 phi\u1ebfu nh\u01b0 v\u1eady.<\/p>\n

V\u00ed d\u1ee5 v\u1ec1 ph\u1ea3n \u1ee9ng th\u00e1i qu\u00e1<\/font><\/h4>\n

T\u1ea5t c\u1ea3 c\u00e1c bong b\u00f3ng t\u00e0i s\u1ea3n l\u00e0 v\u00ed d\u1ee5 v\u1ec1 ph\u1ea3n \u1ee9ng th\u00e1i qu\u00e1<\/i>, t\u1eeb bong b\u00f3ng hoa tulip \u1edf H\u00e0 Lan trong th\u1ebf k\u1ef7 17 \u0111\u1ebfn s\u1ef1 t\u0103ng gi\u00e1 nhanh ch\u00f3ng c\u1ee7a ti\u1ec1n m\u00e3 h\u00f3a trong .<\/p>\n

Bong b\u00f3ng t\u00e0i s\u1ea3n h\u00ecnh th\u00e0nh khi gi\u00e1 c\u1ee7a m\u1ed9t t\u00e0i s\u1ea3n t\u0103n v\u00e0 thu h\u00fat c\u00e1c nh\u00e0 \u0111\u1ea7u t\u01b0 coi s\u1ef1 t\u0103ng gi\u00e1 l\u00e0 ngu\u1ed3n l\u1ee3i nhu\u1eadn ch\u00ednh thay v\u00ec l\u1ee3i nhu\u1eadn c\u01a1 b\u1ea3n \u0111\u01b0\u1ee3c t\u00e0i s\u1ea3n cung c\u1ea5p. \u0110\u1ed1i v\u1edbi c\u1ed5 phi\u1ebfu, l\u1ee3i nhu\u1eadn “c\u01a1 b\u1ea3n” l\u00e0 s\u1ef1 t\u0103ng tr\u01b0\u1edfng c\u1ee7a c\u00f4ng ty v\u00e0 c\u00f3 th\u1ec3 l\u00e0 c\u1ed5 t\u1ee9c m\u00e0 c\u1ed5 phi\u1ebfu tr\u1ea3.<\/p>\n

“L\u1ee3i nhu\u1eadn c\u01a1 b\u1ea3n” c\u1ee7a m\u1ed9t c\u1ee7 tulip v\u00e0o nh\u1eefng n\u0103m 1600 l\u00e0 v\u1ebb \u0111\u1eb9p c\u1ee7a b\u00f4ng hoa m\u00e0 n\u00f3 sinh ra, v\u00e0 \u0111\u00e2y l\u00e0 m\u1ed9t k\u1ebft qu\u1ea3 kh\u00f3 \u0111\u1ecbnh l\u01b0\u1ee3ng. B\u1edfi v\u00ec c\u00e1c nh\u00e0 \u0111\u1ea7u t\u01b0 kh\u00f4ng c\u00f3 c\u00e1ch n\u00e0o t\u1ed1t \u0111\u1ec3 \u0111o l\u01b0\u1eddng m\u1ee9c \u0111\u1ed9 c\u1ee7 hoa tulip \u0111\u01b0\u1ee3c mong mu\u1ed1n, h\u1ecd s\u1eed d\u1ee5ng gi\u00e1 l\u00e0m thu\u1edbc \u0111o. V\u00e0 v\u00ec gi\u00e1 c\u1ee7a c\u1ee7 hoa li\u00ean t\u1ee5c t\u0103ng l\u00ean, n\u00f3 t\u1ea1o ra ni\u1ec1m tin v\u00f4 c\u0103n c\u1ee9 r\u1eb1ng c\u1ee7 hoa tulip th\u1ef1c s\u1ef1 c\u00f3 gi\u00e1 tr\u1ecb – v\u00e0 l\u00e0 m\u1ed9t m\u00f3n \u0111\u1ea7u t\u01b0 t\u1ed1t.<\/p>\n

Ph\u1ea3n \u1ee9ng th\u00e1i qu\u00e1<\/i> \u0111\u1ed1i v\u1edbi vi\u1ec7c t\u0103ng gi\u00e1 ti\u1ebfp t\u1ee5c \u0111\u01b0\u1ee3c duy tr\u00ec cho \u0111\u1ebfn khi ti\u1ec1n th\u00f4ng minh b\u1eaft \u0111\u1ea7u tho\u00e1t kh\u1ecfi kho\u1ea3n \u0111\u1ea7u t\u01b0 n\u00e0y. V\u00e0o th\u1eddi \u0111i\u1ec3m \u0111\u00f3, gi\u00e1 tr\u1ecb c\u1ee7a ch\u1ee9ng kho\u00e1n b\u1eaft \u0111\u1ea7u gi\u1ea3m, t\u1ea1o ra ph\u1ea3n \u1ee9ng th\u00e1i qu\u00e1<\/b> \u0111\u1ed1i v\u1edbi kh\u1ea3 n\u0103ng s\u1ee5t gi\u00e1. Trong tr\u01b0\u1eddng h\u1ee3p bong b\u00f3ng Dotcom v\u00e0o cu\u1ed1i nh\u1eefng n\u0103m 1990 v\u00e0 \u0111\u1ea7u nh\u1eefng n\u0103m 2000, s\u1ef1 \u0111i\u1ec1u ch\u1ec9nh c\u1ee7a th\u1ecb tr\u01b0\u1eddng khi\u1ebfn nhi\u1ec1u doanh nghi\u1ec7p kh\u00f4ng c\u00f3 l\u00e3i, nh\u01b0ng n\u00f3 c\u0169ng h\u1ea1 gi\u00e1 tr\u1ecb c\u1ee7a c\u00e1c c\u1ed5 phi\u1ebfu t\u1ed1t xu\u1ed1ng th\u00e0nh m\u1ed9t m\u00f3n h\u1eddi.<\/p>\n

C\u1ed5 phi\u1ebfu Amazon.com \u0111\u1ea1t \u0111\u1ec9nh \u1edf m\u1ee9c 86,88 USD v\u00e0o ng\u00e0y 6 th\u00e1ng 12 n\u0103m 1999 tr\u01b0\u1edbc khi bong b\u00f3ng Dotcom v\u1ee1; v\u00e0 gi\u1ea3m xu\u1ed1ng m\u1ee9c th\u1ea5p 6,98 USD v\u00e0o th\u00e1ng 9 n\u0103m 2001, t\u1ee9c l\u00e0 gi\u00e1 s\u1ee5t gi\u1ea3m 92,5%. K\u1ec3 t\u1eeb \u0111\u00f3, c\u1ed5 phi\u1ebfu c\u00f4ng ty n\u00e0y \u0111\u00e3 t\u0103ng gi\u00e1 g\u1ea7n 5.000 %.<\/p>\n

(Theo: investopedia<\/i>)<\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

\n Ph\u1ea3n \u1ee9ng th\u00e1i qu\u00e1 (ti\u1ebfng Anh: Overreaction) trong t\u00e0i ch\u00ednh v\u00e0 \u0111\u1ea7u t\u01b0 l\u00e0 m\u1ed9t ph\u1ea3n \u1ee9ng c\u1ea3m x\u00fac c\u1ee7a nh\u00e0 \u0111\u1ea7u t\u01b0 \u0111\u1ed1i v\u1edbi ch\u1ee9ng kho\u00e1n, khi\u1ebfn ch\u1ee9ng kho\u00e1n r\u01a1i v\u00e0o tr\u1ea1ng th\u00e1i qu\u00e1 mua ho\u1eb7c qu\u00e1 b\u00e1n, cho \u0111\u1ebfn khi n\u00f3 tr\u1edf v\u1ec1 gi\u00e1 tr\u1ecb n\u1ed9i t\u1ea1i.\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\/25117"}],"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=25117"}],"version-history":[{"count":0,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/25117\/revisions"}],"wp:attachment":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/media?parent=25117"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/categories?post=25117"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/tags?post=25117"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}