{"id":25239,"date":"2023-12-07T00:17:36","date_gmt":"2023-12-07T00:17:36","guid":{"rendered":"https:\/\/masterskills.org\/blog\/phuong-phap-chi-so-index-method-la-gi-dac-diem-va-vai-tro.html"},"modified":"2023-12-22T10:07:42","modified_gmt":"2023-12-22T03:07:42","slug":"phuong-phap-chi-so-index-method-la-gi-dac-diem-va-vai-tro","status":"publish","type":"post","link":"https:\/\/masterskills.org\/blog\/phuong-phap-chi-so-index-method-la-gi-dac-diem-va-vai-tro.html","title":{"rendered":"Ph\u01b0\u01a1ng ph\u00e1p ch\u1ec9 s\u1ed1 (Index method) l\u00e0 g\u00ec? \u0110\u1eb7c \u0111i\u1ec3m v\u00e0 vai tr\u00f2"},"content":{"rendered":"
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H\u00ecnh minh h\u1ecda<\/p>\n<\/div>\n<\/div>\n

Ph\u01b0\u01a1ng ph\u00e1p ch\u1ec9 s\u1ed1 (Index method)<\/font><\/h2>\n

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

Ph\u01b0\u01a1ng ph\u00e1p ch\u1ec9 s\u1ed1 <\/b>trong ti\u1ebfng Anh l\u00e0 Index method<\/b>.<\/p>\n

Trong th\u1ef1c t\u1ebf \u0111\u1ed1i t\u01b0\u1ee3ng nghi\u00ean c\u1ee9u c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p ch\u1ec9 s\u1ed1<\/i> l\u00e0 nh\u1eefng hi\u1ec7n t\u01b0\u1ee3ng ph\u1ee9c t\u1ea1p, g\u1ed3m c\u00e1c ph\u1ea7n t\u1eed, \u0111\u01a1n v\u1ecb c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m t\u00ednh ch\u1ea5t kh\u00e1c nhau m\u00e0 ng\u01b0\u1eddi ta kh\u00f4ng th\u1ec3 c\u1ed9ng tr\u1ef1c ti\u1ebfp \u0111\u1ec3 so s\u00e1nh.<\/p>\n

Do \u0111\u00f3, c\u00f3 th\u1ec3 \u0111\u01b0a ra \u0111\u1ecbnh ngh\u0129a v\u1ec1 ph\u01b0\u01a1ng ph\u00e1p ch\u1ec9 s\u1ed1 nh\u01b0 sau:<\/p>\n

Ph\u01b0\u01a1ng ph\u00e1p ch\u1ec9 s\u1ed1<\/i> <\/b>l\u00e0 ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch th\u1ed1ng k\u00ea nghi\u00ean c\u1ee9u s\u1ef1 bi\u1ebfn \u0111\u1ed9ng c\u1ee7a nh\u1eefng hi\u1ec7n t\u01b0\u1ee3ng kinh t\u1ebf x\u00e3 h\u1ed9i g\u1ed3m nhi\u1ec1u ph\u1ea7n t\u1eed m\u00e0 c\u00e1c \u0111\u1ea1i l\u01b0\u1ee3ng bi\u1ec3u hi\u1ec7n kh\u00f4ng th\u1ec3 tr\u1ef1c ti\u1ebfp c\u1ed9ng \u0111\u01b0\u1ee3c v\u1edbi nhau.<\/p>\n

Thu\u1eadt ng\u1eef li\u00ean quan<\/font><\/h3>\n

Ch\u1ec9 s\u1ed1 (Index)<\/b> l\u00e0\u00a0s\u1ed1 t\u01b0\u01a1ng \u0111\u1ed1i\u00a0(\u0111\u01a1n v\u1ecb l\u00e0: l\u1ea7n, %) bi\u1ec3u hi\u1ec7n quan h\u1ec7 so s\u00e1nh hai m\u1ee9c \u0111\u1ed9 c\u1ee7a m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng.<\/p>\n

H\u1ec7 th\u1ed1ng ch\u1ec9 s\u1ed1 (Index system) <\/b>l\u00e0 d\u00e3y c\u00e1c ch\u1ec9 s\u1ed1 c\u00f3 li\u00ean h\u1ec7 v\u1edbi nhau, h\u1ee3p th\u00e0nh m\u1ed9t \u0111\u1eb3ng th\u1ee9c nh\u1ea5t \u0111\u1ecbnh.<\/p>\n

\u0110\u1eb7c \u0111i\u1ec3m v\u00e0 vai tr\u00f2 c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p ch\u1ec9 s\u1ed1<\/font><\/h3>\n

– Ph\u01b0\u01a1ng ph\u00e1p ch\u1ec9 s\u1ed1<\/i>\u00a0bi\u1ec3u hi\u1ec7n v\u1ec1 l\u01b0\u1ee3ng c\u1ee7a c\u00e1c ph\u1ea7n t\u1eed trong hi\u1ec7n t\u01b0\u1ee3ng ph\u1ee9c t\u1ea1p (c\u00f3 \u0111\u01a1n v\u1ecb t\u00ednh kh\u00e1c nhau) \u0111\u01b0\u1ee3c chuy\u1ec3n v\u1ec1 d\u1ea1ng chung c\u00f3 th\u1ec3 tr\u1ef1c ti\u1ebfp c\u1ed9ng \u0111\u01b0\u1ee3c v\u1edbi nhau, d\u1ef1a tr\u00ean c\u01a1 s\u1edf m\u1ed1i quan h\u1ec7 gi\u1eefa nh\u00e2n t\u1ed1 nghi\u00ean c\u1ee9u v\u1edbi c\u00e1c nh\u00e2n t\u1ed1 kh\u00e1c.<\/p>\n

V\u00ed d\u1ee5: Kh\u1ed1i l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m c\u00e1c lo\u1ea1i kh\u00f4ng th\u1ec3 c\u1ed9ng tr\u1ef1c ti\u1ebfp \u0111\u01b0\u1ee3c v\u1edbi nhau. Tuy nhi\u00ean, khi \u0111\u01b0\u1ee3c chuy\u1ec3n sang d\u1ea1ng gi\u00e1 tr\u1ecb b\u1eb1ng c\u00e1ch nh\u00e2n v\u1edbi y\u1ebfu t\u1ed1 gi\u00e1 c\u1ea3, k\u1ebft qu\u1ea3 thu \u0111\u01b0\u1ee3c c\u1ee7a ph\u00e9p to\u00e1n n\u00e0y \u0111\u1ec3 c\u00f3 th\u1ec3 tr\u1ef1c ti\u1ebfp c\u1ed9ng v\u1edbi nhau.<\/p>\n

– M\u1eb7t kh\u00e1c, khi nghi\u00ean c\u1ee9u bi\u1ebfn \u0111\u1ed9ng c\u1ee7a m\u1ed9t nh\u00e2n t\u1ed1, b\u1eb1ng c\u00e1ch gi\u1ea3 \u0111\u1ecbnh c\u00e1c nh\u00e2n t\u1ed1 kh\u00e1c c\u1ee7a hi\u1ec7n t\u01b0\u1ee3ng ph\u1ee9c t\u1ea1p kh\u00f4ng thay \u0111\u1ed5i, ph\u01b0\u01a1ng ph\u00e1p ch\u1ec9 s\u1ed1<\/i> cho ph\u00e9p lo\u1ea1i tr\u1eeb \u1ea3nh h\u01b0\u1edfng bi\u1ebfn \u0111\u1ed9ng c\u1ee7a c\u00e1c nh\u00e2n t\u1ed1 n\u00e0y \u0111\u1ec3 kh\u1ea3o s\u00e1t s\u1ef1 bi\u1ebfn \u0111\u1ed9ng ri\u00eang bi\u1ec7t c\u1ee7a c\u00e1c nh\u00e2n t\u1ed1 c\u1ea7n nghi\u00ean c\u1ee9u.<\/p>\n

– Ph\u01b0\u01a1ng ph\u00e1p ch\u1ec9 s\u1ed1<\/i> trong th\u1ed1ng k\u00ea \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 nghi\u00ean c\u1ee9u s\u1ef1 bi\u1ebfn \u0111\u1ed9ng c\u1ee7a hi\u1ec7n t\u01b0\u1ee3ng kinh t\u1ebf x\u00e3 h\u1ed9i theo th\u1eddi gian v\u00e0 kh\u00f4ng gian, x\u00e1c \u0111\u1ecbnh vai tr\u00f2 v\u00e0 \u1ea3nh h\u01b0\u1edfng bi\u1ebfn \u0111\u1ed9ng c\u1ee7a c\u00e1c nh\u00e2n t\u1ed1 \u0111\u1ed1i v\u1edbi s\u1ef1 bi\u1ebfn \u0111\u1ed9ng c\u1ee7a hi\u1ec7n t\u01b0\u1ee3ng ph\u1ee9c t\u1ea1p. Ph\u01b0\u01a1ng ph\u00e1p ch\u1ec9 s\u1ed1 c\u00f2n \u0111\u01b0\u1ee3c v\u1eadn d\u1ee5ng \u0111\u1ec3 ph\u00e2n t\u00edch s\u1ef1 bi\u1ebfn \u0111\u1ed9ng c\u1ee7a ch\u1ec9 ti\u00eau b\u00ecnh qu\u00e2n.<\/p>\n

(T\u00e0i li\u1ec7u tham kh\u1ea3o: M\u1ed9t s\u1ed1 thu\u1eadt ng\u1eef th\u1ed1ng k\u00ea th\u00f4ng d\u1ee5ng, T\u1ed5ng c\u1ee5c th\u1ed1ng k\u00ea, NXB Th\u1ed1ng k\u00ea; VOER)<\/i><\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

\n Ph\u01b0\u01a1ng ph\u00e1p ch\u1ec9 s\u1ed1 (ti\u1ebfng Anh: Index method) l\u00e0 ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch th\u1ed1ng k\u00ea nghi\u00ean c\u1ee9u s\u1ef1 bi\u1ebfn \u0111\u1ed9ng c\u1ee7a nh\u1eefng hi\u1ec7n t\u01b0\u1ee3ng kinh t\u1ebf x\u00e3 h\u1ed9i g\u1ed3m nhi\u1ec1u ph\u1ea7n t\u1eed m\u00e0 c\u00e1c \u0111\u1ea1i l\u01b0\u1ee3ng bi\u1ec3u hi\u1ec7n kh\u00f4ng th\u1ec3 tr\u1ef1c ti\u1ebfp c\u1ed9ng \u0111\u01b0\u1ee3c v\u1edbi nhau.\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\/25239"}],"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=25239"}],"version-history":[{"count":0,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/25239\/revisions"}],"wp:attachment":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/media?parent=25239"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/categories?post=25239"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/tags?post=25239"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}