{"id":29242,"date":"2023-12-07T07:28:17","date_gmt":"2023-12-07T07:28:17","guid":{"rendered":"https:\/\/masterskills.org\/blog\/li-thuyet-quyet-dinh-decision-theory-trong-lua-chon-cong-suat-la-gi.html"},"modified":"2023-12-23T06:08:42","modified_gmt":"2023-12-22T23:08:42","slug":"li-thuyet-quyet-dinh-decision-theory-trong-lua-chon-cong-suat-la-gi","status":"publish","type":"post","link":"https:\/\/masterskills.org\/blog\/li-thuyet-quyet-dinh-decision-theory-trong-lua-chon-cong-suat-la-gi.html","title":{"rendered":"L\u00ed thuy\u1ebft quy\u1ebft \u0111\u1ecbnh (Decision Theory) trong l\u1ef1a ch\u1ecdn c\u00f4ng su\u1ea5t l\u00e0 g\u00ec?"},"content":{"rendered":"
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H\u00ecnh minh ho\u1ea1 (Ngu\u1ed3n: lucidchart)<\/p>\n<\/div>\n<\/div>\n

L\u00ed thuy\u1ebft\u00a0quy\u00ea\u0301t \u0111i\u0323nh trong l\u1ef1a ch\u1ecdn c\u00f4ng su\u1ea5t<\/font><\/h2>\n

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

L\u00ed thuy\u1ebft\u00a0quy\u00ea\u0301t \u0111i\u0323nh<\/b> trong ti\u1ebfng Anh \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 decision theory.<\/b><\/p>\n

L\u00ed thuy\u1ebft<\/span> quy\u00ea\u0301t \u0111i\u0323nh<\/b> la\u0300 phu\u031bo\u031bng pha\u0301p pha\u0302n ti\u0301ch \u0111\u00ea\u0309 l\u01b0\u0323a cho\u0323n ha\u0300nh \u0111\u1ecd\u0302ng co\u0301 l\u01a1\u0323i nhu\u1ea1\u0302n.\u00a0<\/p>\n

M\u00f4 h\u00ecnh quy\u1ebft \u0111\u1ecbnh<\/font><\/h3>\n

Ngu\u031b\u01a1\u0300i ta pha\u0302n l\u00ed thuy\u1ebft<\/span> quy\u00ea\u0301t \u0111i\u0323nh ra la\u0300m 3 loa\u0323i mo\u0302 hi\u0300nh, phu\u0323 thu\u1ecd\u0302c va\u0300o m\u01b0\u0301c \u0111\u1ecd\u0302 ch\u0103\u0301c ch\u0103\u0301n cu\u0309a k\u00ea\u0301t qua\u0309.\u00a0<\/p>\n

Ba loa\u0323i mo\u0302 hi\u0300nh quy\u00ea\u0301t \u0111i\u0323nh \u0111o\u0301 la\u0300:<\/p>\n

– Ra quy\u00ea\u0301t \u0111i\u0323nh du\u031b\u01a1\u0301i \u0111i\u00ea\u0300u ki\u1eb9\u0302n ch\u0103\u0301c ch\u0103\u0301n<\/b>, trong \u0111o\u0301 ngu\u031b\u01a1\u0300i ra quy\u00ea\u0301t \u0111i\u0323nh bi\u00ea\u0301t ch\u0103\u0301c ch\u0103\u0301n h\u1ea1\u0302u qua\u0309 hay k\u00ea\u0301t qua\u0309 cu\u0309a b\u00e2\u0301t ki\u0300 quy\u00ea\u0301t \u0111i\u0323nh \u0111u\u031b\u01a1\u0323c l\u01b0\u0323a cho\u0323n na\u0300o.<\/p>\n

Trong th\u01b0\u0323c t\u00ea\u0301, nhi\u00ea\u0300u ngu\u031b\u01a1\u0300i do bi\u00ea\u0301t tru\u031b\u01a1\u0301c tho\u0302ng tin lie\u0302n quan \u0111\u00ea\u0301n co\u0302ng vi\u1eb9\u0302c kinh doanh cu\u0309a mi\u0300nh \u0111a\u0303 ki\u0323p n\u0103\u0301m b\u0103\u0301t co\u031b h\u1ecd\u0302i, ra quy\u00ea\u0301t \u0111i\u0323nh ki\u0323p th\u01a1\u0300i va\u0300 g\u1ea1\u0306t ha\u0301i \u0111u\u031b\u01a1\u0323c tha\u0300nh co\u0302ng l\u01a1\u0301n.<\/p>\n

Thi\u0301 du\u0323 nhu\u031b ngu\u031b\u01a1\u0300i ra quy\u00ea\u0301t \u0111i\u0323nh hoa\u0300n toa\u0300n bi\u00ea\u0301t ch\u0103\u0301c ch\u0103\u0301n la\u0300 sau khi g\u01b0\u0309i ti\u00ea\u0300n ti\u00ea\u0301t ki\u1eb9\u0302m \u01a1\u0309 nga\u0302n ha\u0300ng se\u0303 nh\u1ea1\u0302n \u0111u\u031b\u01a1\u0323c s\u00f4\u0301 ti\u00ea\u0300n l\u01a1\u0301n ho\u031bn trong tu\u031bo\u031bng lai. Ho\u1ea1\u0306c khi gia\u0301 nguye\u0302n v\u1ea1\u0302t li\u1eb9\u0302u thay \u0111\u00f4\u0309i co\u0301 th\u00ea\u0309 d\u01b0\u0323 \u0111oa\u0301n \u0111u\u031b\u01a1\u0323c nhu c\u00e2\u0300u va\u0300 gia\u0301 cu\u0309a sa\u0309n ph\u00e2\u0309m se\u0303 thay \u0111\u00f4\u0309i nhu\u031b th\u00ea\u0301 na\u0300o<\/p>\n

– Ra quy\u00ea\u0301t \u0111i\u0323nh du\u031b\u01a1\u0301i \u0111i\u00ea\u0300u ki\u1eb9\u0302n kho\u0302ng ch\u0103\u0301c ch\u0103\u0301n<\/b>, tru\u031b\u01a1\u0300ng h\u01a1\u0323p na\u0300y ngu\u031b\u01a1\u0300i ra quy\u00ea\u0301t \u0111i\u0323nh kho\u0302ng bi\u00ea\u0301t \u0111i\u00ea\u0300u gi\u0300 se\u0303 xa\u0309y ra \u0111\u00f4\u0301i v\u01a1\u0301i k\u00ea\u0301t qua\u0309 cu\u0309a m\u00f4\u0303i ca\u0301ch l\u01b0\u0323a cho\u0323n cu\u0309a mi\u0300nh.\u00a0<\/p>\n

Thi\u0301 du\u0323 kho\u0302ng th\u00ea\u0309 bi\u00ea\u0301t ch\u0103\u0301c ch\u0103\u0301n tu\u00e2\u0300n t\u01a1\u0301i mu\u031ba hay n\u0103\u0301ng; thi\u0323 tru\u031b\u01a1\u0300ng ch\u01b0\u0301ng khoa\u0301n nga\u0300y mai ta\u0306ng hay gia\u0309m; \u0111\u1ecd\u0302i bo\u0301ng \u0111a\u0301 na\u0300o vo\u0302 \u0111i\u0323ch trong mu\u0300a gia\u0309i t\u01a1\u0301i…<\/p>\n

– Ra quy\u00ea\u0301t \u0111i\u0323nh du\u031b\u01a1\u0301i \u0111i\u00ea\u0300u ki\u1eb9\u0302n ru\u0309i ro<\/b>, doanh nghi\u1eb9\u0302p kho\u0302ng th\u00ea\u0309 bi\u00ea\u0301t ch\u0103\u0301c \u0111i\u00ea\u0300u gi\u0300 co\u0301 th\u00ea\u0309 se\u0303 xa\u0309y ra trong tu\u031bo\u031bng lai nhu\u031bng co\u0301 th\u00ea\u0309 d\u01b0\u0323 \u0111oa\u0301n \u0111u\u031b\u01a1\u0323c xa\u0301c su\u00e2\u0301t xa\u0309y ra \u0111\u00f4\u0301i v\u01a1\u0301i t\u01b0\u0300ng ti\u0300nh hu\u00f4\u0301ng quy\u00ea\u0301t \u0111i\u0323nh.\u00a0<\/p>\n

Thi\u0301 du\u0323 ta kho\u0302ng bi\u00ea\u0301t ch\u0103\u0301c ch\u0103\u0301n tay v\u01a1\u0323t na\u0300o se\u0303 vo\u0302 \u0111i\u0323ch trong tr\u1ea1\u0302n chung k\u00ea\u0301t tu\u00e2\u0300n t\u01a1\u0301i nhu\u031bng co\u0301 th\u00ea\u0309 d\u01b0\u0323 \u0111oa\u0301n \u0111u\u031b\u01a1\u0323c xa\u0301c su\u00e2\u0301t 70% tay v\u01a1\u0323t A se\u0303 da\u0300nh chi\u00ea\u0301n th\u0103\u0301ng.<\/p>\n

Khi ra quy\u00ea\u0301t \u0111i\u0323nh du\u031b\u01a1\u0301i \u0111i\u00ea\u0300u ki\u1eb9\u0302n ch\u0103\u0301c ch\u0103\u0301n, ngu\u031b\u01a1\u0300i ra quy\u00ea\u0301t \u0111i\u0323nh bi\u00ea\u0301t \u0111u\u031b\u01a1\u0323c h\u1ea1\u0302u qua\u0309 ha\u0300nh \u0111\u1ecd\u0302ng cu\u0309a mi\u0300nh se\u0303 co\u0301 \u0111u\u031b\u01a1\u0323c k\u00ea\u0301t qua\u0309 t\u00f4\u0301t nh\u00e2\u0301t.\u00a0<\/p>\n

Co\u0300n khi ra quy\u00ea\u0301t \u0111i\u0323nh du\u031b\u01a1\u0301i \u0111i\u00ea\u0300u ki\u1eb9\u0302n ru\u0309i ro, ngu\u031b\u01a1\u0300i ra quy\u00ea\u0301t \u0111i\u0323nh se\u0303 c\u00f4\u0301 g\u0103\u0301ng t\u00f4\u0301i \u0111a hoa\u0301 l\u01a1\u0323i nhu\u1ea1\u0302n mong \u0111\u01a1\u0323i cu\u0309a mi\u0300nh.\u00a0<\/p>\n

Ca\u0301ch ti\u00ea\u0301p c\u1ea1\u0302n ra quy\u00ea\u0301t \u0111i\u0323nh \u0111i\u00ea\u0309n hi\u0300nh \u0111u\u031b\u01a1\u0323c du\u0300ng la\u0300 t\u00f4\u0301i \u0111a ho\u0301a gia\u0301 tri\u0323 ti\u00ea\u0300n t\u1eb9\u0302 mong \u0111\u01a1\u0323i. Ca\u0301c chi\u0309 tie\u0302u \u0111\u00ea\u0309 ra quy\u00ea\u0301t \u0111i\u0323nh du\u031b\u01a1\u0301i \u0111i\u00ea\u0300u ki\u1eb9\u0302n kho\u0302ng ch\u0103\u0301c ch\u0103\u0301n thu\u031b\u01a1\u0300ng xem xe\u0301t \u0111\u00ea\u0301n ca\u0301c chi\u0309 tie\u0302u maximax, maximin va\u0300 may ru\u0309i ngang nhau.<\/p>\n

(T\u00e0i li\u1ec7u tham kh\u1ea3o: Qu\u1ea3n tr\u1ecb t\u00e1c nghi\u1ec7p, Trung t\u00e2m \u0111\u00e0o t\u1ea1o t\u1eeb xa, \u0110H Kinh t\u1ebf Qu\u1ed1c d\u00e2n)<\/i><\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

\n L\u00ed thuy\u1ebft quy\u1ebft \u0111\u1ecbnh (ti\u1ebfng Anh: Decision Theory) l\u00e0 ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch \u0111\u1ec3 l\u1ef1a ch\u1ecdn h\u00e0nh \u0111\u1ed9ng c\u00f3 l\u1ee3i nhu\u1eadn. Ng\u01b0\u1eddi ta ph\u00e2n l\u00ed thuy\u1ebft quy\u1ebft \u0111\u1ecbnh ra l\u00e0m 3 lo\u1ea1i m\u00f4 h\u00ecnh, ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ee9c \u0111\u1ed9 ch\u1eafc ch\u1eafn c\u1ee7a k\u1ebft qu\u1ea3.\n <\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[416],"tags":[],"_links":{"self":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/29242"}],"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=29242"}],"version-history":[{"count":0,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/29242\/revisions"}],"wp:attachment":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/media?parent=29242"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/categories?post=29242"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/tags?post=29242"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}