{"id":27065,"date":"2023-12-07T03:18:37","date_gmt":"2023-12-07T03:18:37","guid":{"rendered":"https:\/\/masterskills.org\/blog\/ham-tiet-kiem-saving-function-la-gi-moi-quan-he-giua-tieu-dung-va-tiet-kiem.html"},"modified":"2023-12-22T14:54:59","modified_gmt":"2023-12-22T07:54:59","slug":"ham-tiet-kiem-saving-function-la-gi-moi-quan-he-giua-tieu-dung-va-tiet-kiem","status":"publish","type":"post","link":"https:\/\/masterskills.org\/blog\/ham-tiet-kiem-saving-function-la-gi-moi-quan-he-giua-tieu-dung-va-tiet-kiem.html","title":{"rendered":"H\u00e0m ti\u1ebft ki\u1ec7m (Saving Function) l\u00e0 g\u00ec? M\u1ed1i quan h\u1ec7 gi\u1eefa ti\u00eau d\u00f9ng v\u00e0 ti\u1ebft ki\u1ec7m"},"content":{"rendered":"
\n
\n
<\/div>\n
\n

H\u00ecnh minh h\u1ecda. Ngu\u1ed3n: This is Money<\/p>\n<\/div>\n<\/div>\n

H\u00e0m ti\u1ebft ki\u1ec7m (Saving Function)<\/font><\/h2>\n

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

H\u00e0m ti\u1ebft ki\u1ec7m<\/b> trong ti\u1ebfng Anh l\u00e0 Saving Function<\/b>. H\u00e0m ti\u1ebft ki\u1ec7m<\/i> ph\u1ea3n \u00e1nh s\u1ef1 ph\u1ee5 thu\u1ed9c c\u1ee7a l\u01b0\u1ee3ng ti\u1ebft ki\u1ec7m d\u1ef1 ki\u1ebfn v\u1edbi l\u01b0\u1ee3ng thu nh\u1eadp kh\u1ea3 d\u1ee5ng m\u00e0 h\u1ed9 gia \u0111\u00ecnh c\u00f3 \u0111\u01b0\u1ee3c.<\/p>\n

Thu\u1eadt ng\u1eef li\u00ean quan\u00a0<\/font><\/h3>\n

Ti\u1ebft ki\u1ec7m<\/b> \u0111\u01b0\u1ee3c hi\u1ec3u l\u00e0 ph\u1ea7n v\u01b0\u1ee3t qu\u00e1 thu nh\u1eadp so v\u1edbi chi ti\u00eau ti\u00eau d\u00f9ng.<\/p>\n

Xu h\u01b0\u1edbng ti\u1ebft ki\u1ec7m c\u1eadn bi\u00ean<\/b> (Marginal Propensity to save, vi\u1ebft t\u1eaft: MPS) ph\u1ea3n \u00e1nh l\u01b0\u1ee3ng thay \u0111\u1ed5i c\u1ee7a ti\u1ebft ki\u1ec7m khi thu nh\u1eadp kh\u1ea3 d\u1ee5ng thay \u0111\u1ed5i m\u1ed9t \u0111\u01a1n v\u1ecb.<\/p>\n

C\u00e1ch x\u00e1c \u0111\u1ecbnh<\/font><\/h3>\n

N\u1ebfu k\u00ed hi\u1ec7u h\u00e0m ti\u1ebft ki\u1ec7m l\u00e0 S\u00a0<\/p>\n

Xu\u1ea5t ph\u00e1t t\u1eeb ph\u01b0\u01a1ng tr\u00ecnh: Yd = C + S<\/p>\n

Suy ra, ta c\u00f3 S = Yd – C<\/p>\n

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

Yd: Thu nh\u1eadp kh\u1ea3 d\u1ee5ng<\/p>\n

C: Ti\u00eau d\u00f9ng<\/p>\n

Thay h\u00e0m C = C\u0305 + MPC x Yd, ta \u0111\u01b0\u1ee3c:<\/p>\n

S =\u00a0 – C\u0305 + MPS x Yd (1)<\/p>\n

M\u1ed1i quan h\u1ec7 gi\u1eefa ti\u00eau d\u00f9ng v\u00e0 ti\u1ebft ki\u1ec7m<\/font><\/h3>\n

C\u00e1c c\u00e1 nh\u00e2n kh\u00f4ng ch\u1ec9 ti\u00eau d\u00f9ng m\u00e0 c\u00f2n ti\u1ebft ki\u1ec7m t\u1eeb m\u1ed7i \u0111\u01a1n v\u1ecb thu nh\u1eadp kh\u1ea3 d\u1ee5ng b\u1ed5 sung, do \u0111\u00f3 ti\u1ebft ki\u1ec7m v\u00e0 ti\u00eau d\u00f9ng l\u00e0 h\u00ecnh \u1ea3nh ph\u1ea3n chi\u1ebfu c\u1ee7a nhau.<\/p>\n

T\u1eeb ph\u01b0\u01a1ng tr\u00ecnh (1)\u00a0S =\u00a0 – C\u0305 + MPS x Yd<\/p>\n

N\u1ebfu Y = 0 th\u00ec S =\u00a0– C\u0305 v\u00e0 t\u1ea1i \u0111i\u1ec3m ti\u00eau d\u00f9ng v\u1eeba \u0111\u1ee7 th\u00ec S = 0.<\/p>\n

\n
<\/div>\n
\n

Ngu\u1ed3n: Gi\u00e1o tr\u00ecnh Kinh t\u1ebf h\u1ecdc, NXB \u0110\u1ea1i h\u1ecdc Kinh t\u1ebf qu\u1ed1c d\u00e2n<\/p>\n<\/div>\n<\/div>\n

Hai h\u00e0m ti\u00eau d\u00f9ng<\/b> (Consumption Function<\/b>) v\u00e0 h\u00e0m ti\u1ebft ki\u1ec7m<\/b> (Saving Function<\/b>) \u0111\u1ec1u m\u00f4 t\u1ea3 s\u1ef1 t\u00e1c \u0111\u1ed9ng c\u1ee7a thu nh\u1eadp kh\u1ea3 d\u1ee5ng \u0111\u1ed1i v\u1edbi l\u01b0\u1ee3ng ti\u00eau d\u00f9ng v\u00e0 l\u01b0\u1ee3ng ti\u1ebft ki\u1ec7m.<\/p>\n

Tuy nhi\u00ean, ti\u00eau d\u00f9ng v\u00e0 ti\u1ebft ki\u1ec7m kh\u00f4ng nh\u1eefng ph\u1ee5 thu\u1ed9c v\u00e0o thu nh\u1eadp kh\u1ea3 d\u1ee5ng m\u00e0 c\u00f2n ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec1u y\u1ebfu t\u1ed1 kh\u00e1c. Khi nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0y thay \u0111\u1ed5i th\u00ec ti\u00eau d\u00f9ng v\u00e0 ti\u1ebft ki\u1ec7m c\u0169ng thay \u0111\u1ed5i theo, v\u00e0 \u0111\u01b0\u1eddng bi\u1ec3u di\u1ec5n h\u00e0m ti\u00eau d\u00f9ng v\u00e0 h\u00e0m ti\u1ebft ki\u1ec7m d\u0169ng d\u1ecbch chuy\u1ec3n t\u01b0\u01a1ng \u1ee9ng.<\/p>\n

M\u1ed1i li\u00ean h\u1ec7 gi\u1eefa ti\u00eau d\u00f9ng v\u00e0 ti\u1ebft ki\u1ec7m gi\u1ea3i th\u00edch l\u00ed do \u0111\u1ed9 d\u1ed1c c\u1ee7a h\u00e0m ti\u00eau d\u00f9ng th\u1ea5p h\u01a1n \u0111\u01b0\u1eddng 45\u00b0.<\/p>\n

\u0110\u1ed9 d\u1ed1c c\u1ee7a \u0111\u01b0\u1eddng 45\u00b0 b\u1eb1ng 1, nh\u01b0 v\u1eady n\u1ebfu hai \u0111\u1ed9 d\u1ed1c n\u00e0y b\u1eb1ng nhau c\u00f3 ngh\u0129a l\u00e0 m\u1ecdi ng\u01b0\u1eddi lu\u00f4n ti\u00eau d\u00f9ng m\u1ed9t l\u01b0\u1ee3ng \u0111\u00fang b\u1eb1ng l\u01b0\u1ee3ng thu nh\u1eadp m\u00e0 h\u1ecd ki\u1ebfm \u0111\u01b0\u1ee3c, cho d\u00f9 m\u1ee9c thu nh\u1eadp \u0111\u00f3 l\u00e0 bao nhi\u00eau.<\/p>\n

Tuy nhi\u00ean, \u0111i\u1ec1u n\u00e0y kh\u00f4ng th\u1ec3 x\u1ea3y ra tr\u00ean th\u1ef1c t\u1ebf. Tr\u00ean th\u1ef1c t\u1ebf, khi thu nh\u1eadp t\u0103ng l\u00ean \u0111\u1ebfn m\u1ed9t m\u1ee9c \u0111\u1ed9 n\u00e0o \u0111\u00f3 ng\u01b0\u1eddi ta s\u1ebd \u0111\u1ec3 ra m\u1ed9t ph\u1ea7n d\u00e0nh cho ti\u1ebft ki\u1ec7m. Thu nh\u1eadp c\u00e0ng cao th\u00ec ph\u1ea7n ti\u1ec1n d\u00e0nh cho ti\u1ebft ki\u1ec7m s\u1ebd c\u00e0ng nhi\u1ec1u. V\u00ec v\u1eady \u0111\u1ed3 th\u1ecb h\u00e0m ti\u00eau d\u00f9ng ph\u1ea3i n\u1eb1m th\u1ea5p h\u01a1n \u0111\u01b0\u1eddng\u00a0\u00a045\u00b0, ngh\u0129a l\u00e0 \u0111\u1ed9 d\u1ed1c c\u1ee7a n\u00f3 th\u1ea5p h\u01a1n.<\/p>\n

(T\u00e0i li\u1ec7u tham kh\u1ea3o: Gi\u00e1o tr\u00ecnh Kinh t\u1ebf v\u0129 m\u00f4, NXB T\u00e0i ch\u00ednh; Gi\u00e1o tr\u00ecnh Kinh t\u1ebf h\u1ecdc, NXB \u0110\u1ea1i h\u1ecdc Kinh t\u1ebf qu\u1ed1c d\u00e2n)<\/i><\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

\n H\u00e0m ti\u1ebft ki\u1ec7m (ti\u1ebfng Anh: Saving Function) ph\u1ea3n \u00e1nh s\u1ef1 ph\u1ee5 thu\u1ed9c c\u1ee7a l\u01b0\u1ee3ng ti\u1ebft ki\u1ec7m d\u1ef1 ki\u1ebfn v\u1edbi l\u01b0\u1ee3ng thu nh\u1eadp kh\u1ea3 d\u1ee5ng m\u00e0 h\u1ed9 gia \u0111\u00ecnh c\u00f3 \u0111\u01b0\u1ee3c.\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\/27065"}],"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=27065"}],"version-history":[{"count":0,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/27065\/revisions"}],"wp:attachment":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/media?parent=27065"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/categories?post=27065"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/tags?post=27065"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}