{"id":25781,"date":"2023-12-07T01:46:55","date_gmt":"2023-12-07T01:46:55","guid":{"rendered":"https:\/\/masterskills.org\/blog\/chi-so-herfindahl-hirschman-hhi-la-gi-cong-thuc-xac-dinh.html"},"modified":"2023-12-22T10:53:53","modified_gmt":"2023-12-22T03:53:53","slug":"chi-so-herfindahl-hirschman-hhi-la-gi-cong-thuc-xac-dinh","status":"publish","type":"post","link":"https:\/\/masterskills.org\/blog\/chi-so-herfindahl-hirschman-hhi-la-gi-cong-thuc-xac-dinh.html","title":{"rendered":"Ch\u1ec9 s\u1ed1 Herfindahl-Hirschman (HHI) l\u00e0 g\u00ec? C\u00f4ng th\u1ee9c x\u00e1c \u0111\u1ecbnh"},"content":{"rendered":"
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H\u00ecnh minh h\u1ecda.<\/p>\n<\/div>\n<\/div>\n

Ch\u1ec9 s\u1ed1 Herfindahl-Hirschman (HHI)<\/font><\/h2>\n

\u0110\u1ecbnh ngh\u0129a
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Ch\u1ec9 s\u1ed1 Herfindahl-Hirschman<\/b> trong ti\u1ebfng Anh l\u00e0\u00a0Herfindahl-Hirschman Index<\/b>, vi\u1ebft t\u1eaft l\u00e0 HHI<\/b>.<\/p>\n

HHI<\/i> l\u00e0 th\u01b0\u1edbc \u0111o ph\u1ed5 bi\u1ebfn v\u1ec1 s\u1ef1 t\u1eadp trung c\u1ee7a th\u1ecb tr\u01b0\u1eddng v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh kh\u1ea3 n\u0103ng c\u1ea1nh tranh th\u1ecb tr\u01b0\u1eddng (th\u01b0\u1eddng l\u00e0 tr\u01b0\u1edbc v\u00e0 sau c\u00e1c giao d\u1ecbch M&A).<\/p>\n

\u0110\u1eb7c tr\u01b0ng<\/font><\/h3>\n

– Ch\u1ec9 s\u1ed1 Herfindahl-Hirschman (HHI)<\/b> l\u00e0 th\u01b0\u1edbc \u0111o ph\u1ed5 bi\u1ebfn d\u00f9ng \u0111\u1ec3 \u0111o l\u01b0\u1eddng m\u1ee9c \u0111\u1ed9 t\u1eadp trung th\u1ecb tr\u01b0\u1eddng.<\/p>\n

– HHI \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng t\u1ed5ng c\u00e1c b\u00ecnh ph\u01b0\u01a1ng th\u1ecb ph\u1ea7n c\u1ee7a m\u1ed7i c\u00f4ng ty c\u1ea1nh tranh trong m\u1ed9t th\u1ecb tr\u01b0\u1eddng. HHI c\u00f3 th\u1ec3 dao \u0111\u1ed9ng t\u1eeb g\u1ea7n \u0111\u1ebfn 0 \u0111\u1ebfn 10.000.\u00a0B\u1ed9 T\u01b0 ph\u00e1p Hoa K\u1ef3 s\u1eed d\u1ee5ng HHI \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 c\u00e1c th\u01b0\u01a1ng v\u1ee5 s\u00e1p nh\u1eadp ti\u1ec1m n\u0103ng.<\/p>\n

L\u01b0u \u00fd: C\u00e1c nh\u00e0 qu\u1ea3n l\u00ed s\u1eed d\u1ee5ng Ch\u1ec9 s\u1ed1 HHI c\u1ee7a 50 c\u00f4ng ty l\u1edbn nh\u1ea5t trong m\u1ed9t ng\u00e0nh c\u1ee5 th\u1ec3 \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh xem ng\u00e0nh \u0111\u00f3 n\u00ean \u0111\u01b0\u1ee3c coi l\u00e0 c\u1ea1nh tranh hay \u0111\u1ed9c quy\u1ec1n.<\/p>\n

C\u00f4ng th\u1ee9c x\u00e1c \u0111\u1ecbnh ch\u1ec9 s\u1ed1 Herfindahl-Hirschman<\/font><\/h3>\n
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C\u00f4ng th\u1ee9c Herfindahl-Hirschman (HHI). Ngu\u1ed3n: Investopedia<\/p>\n<\/div>\n<\/div>\n

Trong \u0111\u00f3:<\/p>\n

sn<\/sub>\u00a0l\u00e0 t\u1ec9 l\u1ec7 ph\u1ea7n tr\u0103m th\u1ecb ph\u1ea7n c\u1ee7a c\u00f4ng ty th\u1ee9 n \u0111\u01b0\u1ee3c\u00a0bi\u1ec3u th\u1ecb d\u01b0\u1edbi d\u1ea1ng m\u1ed9t s\u1ed1 nguy\u00ean, kh\u00f4ng ph\u1ea3i l\u00e0 s\u1ed1 th\u1eadp ph\u00e2n.<\/p>\n

\u00dd ngh\u0129a<\/font><\/h3>\n

– Th\u1ecb tr\u01b0\u1eddng c\u00e0ng g\u1ea7n\u00a0\u0111\u1ed9c quy\u1ec1n th\u00ec m\u1ee9c \u0111\u1ed9 t\u1eadp trung c\u1ee7a th\u1ecb tr\u01b0\u1eddng c\u00e0ng cao v\u00e0 c\u1ea1nh tranh c\u00e0ng th\u1ea5p.\u00a0<\/p>\n

V\u00ed d\u1ee5, n\u1ebfu ch\u1ec9 c\u00f3 m\u1ed9t c\u00f4ng ty trong m\u1ed9t ng\u00e0nh, c\u00f4ng ty \u0111\u00f3 s\u1ebd c\u00f3 100% th\u1ecb ph\u1ea7n v\u00e0 Ch\u1ec9 s\u1ed1 Herfindahl-Hirschman (HHI) s\u1ebd b\u1eb1ng 10.000, cho th\u1ea5y s\u1ef1 \u0111\u1ed9c quy\u1ec1n.\u00a0N\u1ebfu c\u00f3 h\u00e0ng ng\u00e0n c\u00f4ng ty c\u1ea1nh tranh, m\u1ed7i c\u00f4ng ty s\u1ebd c\u00f3 g\u1ea7n 0% th\u1ecb ph\u1ea7n v\u00e0 HHI s\u1ebd g\u1ea7n b\u1eb1ng kh\u00f4ng, cho th\u1ea5y s\u1ef1 c\u1ea1nh tranh g\u1ea7n nh\u01b0 ho\u00e0n h\u1ea3o.<\/p>\n

– B\u1ed9 T\u01b0 ph\u00e1p Hoa K\u1ef3 coi th\u1ecb tr\u01b0\u1eddng c\u00f3 HHI d\u01b0\u1edbi 1.500 l\u00e0 th\u1ecb tr\u01b0\u1eddng c\u1ea1nh tranh, HHI t\u1eeb 1.500 \u0111\u1ebfn 2.500 l\u00e0 th\u1ecb tr\u01b0\u1eddng t\u1eadp trung v\u1eeba ph\u1ea3i v\u00e0 HHI t\u1eeb 2.500 tr\u1edf l\u00ean l\u00e0 th\u1ecb tr\u01b0\u1eddng t\u1eadp trung cao \u0111\u1ed9.\u00a0Theo nguy\u00ean t\u1eafc chung, c\u00e1c v\u1ee5 s\u00e1p nh\u1eadp l\u00e0m t\u0103ng HHI h\u01a1n 200 \u0111i\u1ec3m t\u1ea1i c\u00e1c th\u1ecb tr\u01b0\u1eddng t\u1eadp trung cao \u0111\u1ed9 l\u00e0m t\u0103ng m\u1ed1i lo ng\u1ea1i ch\u1ed1ng \u0111\u1ed9c quy\u1ec1n.<\/p>\n

\u01afu v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a HHI<\/font><\/h3>\n

– \u01afu \u0111i\u1ec3m ch\u00ednh c\u1ee7a Ch\u1ec9 s\u1ed1 Herfindahl-Hirschman (HHI) l\u00e0 t\u00ednh to\u00e1n \u0111\u01a1n gi\u1ea3n.<\/p>\n

– Nh\u01b0\u1ee3c \u0111i\u1ec3m ch\u00ednh c\u1ee7a HHI b\u1eaft ngu\u1ed3n t\u1eeb th\u1ef1c t\u1ebf ch\u1ec9 s\u1ed1 HHI l\u00e0 m\u1ed9t bi\u1ec7n ph\u00e1p \u0111\u01a1n gi\u1ea3n \u0111\u1ebfn n\u1ed7i kh\u00f4ng t\u00ednh \u0111\u1ebfn s\u1ef1 ph\u1ee9c t\u1ea1p c\u1ee7a c\u00e1c th\u1ecb tr\u01b0\u1eddng kh\u00e1c nhau.<\/p>\n

V\u00ed d\u1ee5<\/font><\/h3>\n

H\u00e3y xem x\u00e9t ng\u00e0nh c\u00f4ng nghi\u1ec7p gi\u1ea3 thuy\u1ebft sau \u0111\u00e2y v\u1edbi b\u1ed1n c\u00f4ng ty:<\/p>\n

C\u00f4ng ty A c\u00f3 th\u1ecb ph\u1ea7n = 40%\u00a0<\/p>\n

C\u00f4ng ty B c\u00f3 th\u1ecb ph\u1ea7n = 30%\u00a0<\/p>\n

C\u00f4ng ty C c\u00f3 th\u1ecb ph\u1ea7n = 15%\u00a0<\/p>\n

C\u00f4ng ty D c\u00f3 th\u1ecb ph\u1ea7n = 15%<\/p>\n

HHI \u0111\u01b0\u1ee3c t\u00ednh nh\u01b0 sau:<\/p>\n

HHI = 402<\/sup>\u00a0+ 302<\/sup>\u00a0+ 152<\/sup>\u00a0+ 152<\/sup>\u00a0= 1.600 + 900 + 225 + 225 = 2.950 <\/p>\n

Gi\u00e1 tr\u1ecb HHI n\u00e0y \u0111\u01b0\u1ee3c coi l\u00e0 m\u1ed9t ng\u00e0nh t\u1eadp trung cao \u0111\u1ed9.<\/p>\n

(T\u00e0i li\u1ec7u tham kh\u1ea3o: Herfindahl-Hirschman Index (HHI), Investopedia)<\/i><\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

\n Ch\u1ec9 s\u1ed1 Herfindahl-Hirschman (ti\u1ebfng Anh: Herfindahl-Hirschman Index, vi\u1ebft t\u1eaft: HHI) l\u00e0 th\u01b0\u1edbc \u0111o ph\u1ed5 bi\u1ebfn v\u1ec1 s\u1ef1 t\u1eadp trung c\u1ee7a th\u1ecb tr\u01b0\u1eddng v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh kh\u1ea3 n\u0103ng c\u1ea1nh tranh th\u1ecb tr\u01b0\u1eddng (th\u01b0\u1eddng l\u00e0 tr\u01b0\u1edbc v\u00e0 sau c\u00e1c giao d\u1ecbch M&A).\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\/25781"}],"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=25781"}],"version-history":[{"count":0,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/25781\/revisions"}],"wp:attachment":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/media?parent=25781"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/categories?post=25781"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/tags?post=25781"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}