{"id":25784,"date":"2023-12-07T01:47:00","date_gmt":"2023-12-07T01:47:00","guid":{"rendered":"https:\/\/masterskills.org\/blog\/chi-so-gia-price-index-la-gi-cong-thuc-xac-dinh.html"},"modified":"2023-12-22T10:53:53","modified_gmt":"2023-12-22T03:53:53","slug":"chi-so-gia-price-index-la-gi-cong-thuc-xac-dinh","status":"publish","type":"post","link":"https:\/\/masterskills.org\/blog\/chi-so-gia-price-index-la-gi-cong-thuc-xac-dinh.html","title":{"rendered":"Ch\u1ec9 s\u1ed1 gi\u00e1 (Price index) 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 gi\u00e1 (Price index)<\/font><\/h2>\n

\u0110\u1ecbnh ngh\u0129a<\/b><\/p>\n

Ch\u1ec9 s\u1ed1 gi\u00e1<\/b> trong ti\u1ebfng Anh l\u00e0 Price index<\/b>.\u00a0Ch\u1ec9 s\u1ed1 gi\u00e1<\/i> l\u00e0 s\u1ed1 b\u00ecnh qu\u00e2n gia quy\u1ec1n c\u1ee7a gi\u00e1 h\u00e0ng ho\u00e1 v\u00e0 d\u1ecbch v\u1ee5 theo th\u1eddi gian.<\/p>\n

C\u1ee5 th\u1ec3 h\u01a1n, ch\u1ec9 s\u1ed1 gi\u00e1<\/b> l\u00e0 th\u01b0\u1edbc \u0111o s\u1ef1 thay \u0111\u1ed5i c\u1ee7a gi\u00e1 theo th\u1eddi gian. Ch\u1ec9 s\u1ed1 gi\u00e1 l\u00e0 ch\u1ec9 s\u1ed1 \u0111o l\u01b0\u1eddng m\u1ee9c \u0111\u1ed9 bi\u1ebfn \u0111\u1ed9ng t\u01b0\u01a1ng \u0111\u1ed1i c\u1ee7a gi\u00e1 c\u1ea3 k\u00ec b\u00e1o c\u00e1o so v\u1edbi k\u00ec g\u1ed1c.<\/p>\n

C\u00f4ng th\u1ee9c x\u00e1c \u0111\u1ecbnh<\/font><\/h3>\n

C\u00f4ng th\u1ee9c chung \u0111\u1ec3 t\u00ednh ch\u1ec9 s\u1ed1 gi\u00e1<\/b> l\u00e0:<\/p>\n

Ip<\/sub> =\u00a0\u03a3(p1<\/sub>q)\/\u00a0\u03a3(p0<\/sub>q)<\/p>\n

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

Ip l\u00e0\u00a0ch\u1ec9 s\u1ed1 gi\u00e1.<\/em><\/p>\n

p1<\/sub> l\u00e0 gi\u00e1 c\u1ee7a h\u00e0ng ho\u00e1 v\u00e0 d\u1ecbch v\u1ee5 \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o c\u00f4ng th\u1ee9c t\u00ednh ch\u1ec9 s\u1ed1 gi\u00e1 trong th\u1eddi k\u00ec<\/span> hi\u1ec7n h\u00e0nh.<\/p>\n

p0<\/sub> l\u00e0 gi\u00e1 c\u1ee7a h\u00e0ng ho\u00e1 d\u1ecbch v\u1ee5 trong th\u1eddi k\u00ec<\/span> g\u1ed1c<\/p>\n

q l\u00e0 l\u01b0\u1ee3ng h\u00e0ng ho\u00e1 v\u00e0 d\u1ecbch v\u1ee5 d\u00f9ng l\u00e0m quy\u1ec1n s\u1ed1 \u0111\u1ec3 t\u00ednh ch\u1ec9 s\u1ed1 gi\u00e1 (c\u00f3 th\u1ec3 l\u00e0 q0<\/sub>, q1 <\/sub>hay q c\u1ee7a th\u1eddi k\u00ec<\/span> n\u00e0o \u0111\u00f3).<\/p>\n

L\u01b0u \u00fd:<\/b><\/p>\n

– C\u00e1c ch\u1ec9 s\u1ed1 gi\u00e1 kh\u00e1c nhau s\u1eed d\u1ee5ng gi\u00e1 (p) v\u00e0 l\u01b0\u1ee3ng (q) kh\u00e1c nhau. Ch\u1eb3ng h\u1ea1n nh\u01b0:<\/p>\n

+ Ch\u1ec9 s\u1ed1 gi\u00e1 b\u00e1n bu\u00f4n (PPI)\u00a0s\u1eed d\u1ee5ng gi\u00e1 b\u00e1n bu\u00f4n v\u00e0 Ch\u1ec9 s\u1ed1 gi\u00e1 b\u00e1n l\u1ebb\u00a0(RPI) hay c\u00f2n g\u1ecdi l\u00e0\u00a0ch\u1ec9 s\u1ed1 gi\u00e1 ti\u00eau d\u00f9ng\u00a0(CPI)\u00a0s\u1eed d\u1ee5ng gi\u00e1 b\u00e1n l\u1ebb v\u00e0 quy\u1ec1n s\u1ed1 l\u00e0 q0<\/sub>, t\u1ee9c l\u01b0\u1ee3ng h\u00e0ng trong gi\u1ecf h\u00e0ng ho\u00e1 v\u00e0 d\u1ecbch v\u1ee5 m\u00e0 ng\u01b0\u1eddi ti\u00eau d\u00f9ng \u0111i\u1ec3n h\u00ecnh mua trong th\u1eddi k\u00ec g\u1ed1c.<\/p>\n

+ Ch\u1ec9 s\u1ed1 gi\u00e1 sinh ho\u1ea1t\u00a0(CLI) s\u1eed d\u1ee5ng quy\u1ec1n s\u1ed1 q0<\/sub> l\u00e0 l\u01b0\u1ee3ng c\u1ee7a gi\u1ecf h\u00e0ng ho\u00e1 v\u00e0 d\u1ecbch v\u1ee5 m\u00e0 m\u1ed9t nh\u00f3m d\u00e2n c\u01b0 mua (v\u00ed d\u1ee5 d\u00e2n c\u01b0 th\u00e0nh th\u1ecb, n\u00f4ng th\u00f4n).<\/p>\n

+ Ch\u1ec9 s\u1ed1 gi\u00e1 nguy\u00ean li\u1ec7u\u00a0(MPI) s\u1eed d\u1ee5ng quy\u1ec1n s\u1ed1 q1<\/sub> l\u00e0 l\u01b0\u1ee3ng c\u00e1c lo\u1ea1i nguy\u00ean li\u1ec7u \u0111\u1ea7u v\u00e0o quan tr\u1ecdng.<\/p>\n

– Ngo\u00e0i ra, c\u1ea7n ch\u00fa \u00fd r\u1eb1ng n\u1ebfu c\u00e1c ch\u1ec9 s\u1ed1 tr\u00ean s\u1eed d\u1ee5ng quy\u1ec1n s\u1ed1 l\u00e0 l\u01b0\u1ee3ng h\u00e0ng ho\u00e1 v\u00e0 d\u1ecbch v\u1ee5 c\u1ee7a th\u1eddi k\u00ec<\/span> hi\u1ec7n h\u00e0nh (hay th\u1eddi k\u00ec<\/span> b\u00e1o c\u00e1o \u2013 k\u00ed<\/span> hi\u1ec7u l\u00e0 q1<\/sub>), th\u00ec ch\u1ec9 s\u1ed1 gi\u00e1 t\u00ednh \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0\u00a0ch\u1ec9 s\u1ed1 gi\u00e1 Paasche; ng\u01b0\u1ee3c l\u1ea1i, ch\u00fang \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0\u00a0s\u1ed1 gi\u00e1 Laspeyres, n\u1ebfu quy\u1ec1n s\u1ed1 l\u00e0 l\u01b0\u1ee3ng h\u00e0ng ho\u00e1 v\u00e0 d\u1ecbch v\u1ee5 c\u1ee7a th\u1eddi k\u00ec<\/span> g\u1ed1c (th\u1eddi k\u00ec<\/span> c\u01a1 s\u1edf – q0<\/sub>).<\/p>\n

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

Ch\u1ec9 s\u1ed1 gi\u00e1<\/strong>\u00a0cho ch\u00fang ta bi\u1ebft s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a gi\u00e1 c\u1ea3 v\u00e0 v\u00ec v\u1eady th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u00ednh t\u1ec9<\/span> l\u1ec7 l\u1ea1m ph\u00e1t v\u00e0 \u0111i\u1ec1u ch\u1ec9nh c\u00e1c bi\u1ebfn danh ngh\u0129a th\u00e0nh bi\u1ebfn th\u1ef1c t\u1ebf, tr\u1eeb l\u00e3i su\u1ea5t. Trong tr\u01b0\u1eddng h\u1ee3p l\u00e3i su\u1ea5t, ch\u00fang ta l\u1ea5y l\u00e3i su\u1ea5t danh ngh\u0129a tr\u1eeb \u0111i t\u1ec9<\/span> l\u1ec7 l\u1ea1m ph\u00e1t \u0111\u1ec3 c\u00f3 l\u00e3i su\u1ea5t th\u1ef1c t\u1ebf.<\/p>\n

(T\u00e0i li\u1ec7u tham kh\u1ea3o: T\u1eeb \u0111i\u1ec3n Kinh t\u1ebf h\u1ecdc, NXB \u0110\u1ea1i h\u1ecdc Kinh t\u1ebf Qu\u1ed1c d\u00e2n; Price index, CFI)<\/i><\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

\n Ch\u1ec9 s\u1ed1 gi\u00e1 (ti\u1ebfng Anh: Price index) l\u00e0 s\u1ed1 b\u00ecnh qu\u00e2n gia quy\u1ec1n c\u1ee7a gi\u00e1 h\u00e0ng ho\u00e1 v\u00e0 d\u1ecbch v\u1ee5 theo th\u1eddi gian.\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\/25784"}],"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=25784"}],"version-history":[{"count":0,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/25784\/revisions"}],"wp:attachment":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/media?parent=25784"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/categories?post=25784"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/tags?post=25784"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}