{"id":27081,"date":"2023-12-07T03:18:56","date_gmt":"2023-12-07T03:18:56","guid":{"rendered":"https:\/\/masterskills.org\/blog\/tong-cau-ad-la-gi-cac-mo-hinh-tong-cau.html"},"modified":"2023-12-22T14:52:18","modified_gmt":"2023-12-22T07:52:18","slug":"tong-cau-ad-la-gi-cac-mo-hinh-tong-cau","status":"publish","type":"post","link":"https:\/\/masterskills.org\/blog\/tong-cau-ad-la-gi-cac-mo-hinh-tong-cau.html","title":{"rendered":"T\u1ed5ng c\u1ea7u (AD) l\u00e0 g\u00ec? C\u00e1c m\u00f4 h\u00ecnh t\u1ed5ng c\u1ea7u"},"content":{"rendered":"
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H\u00ecnh minh h\u1ecda. Ngu\u1ed3n: Fotolia<\/p>\n<\/div>\n<\/div>\n

T\u1ed5ng c\u1ea7u (Aggregate Demand)<\/font><\/h2>\n

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

T\u1ed5ng c\u1ea7u\u00a0<\/b>trong ti\u1ebfng Anh l\u00e0 Aggregate Demand<\/b>, vi\u1ebft t\u1eaft l\u00e0 AD<\/b>. T\u1ed5ng c\u1ea7u<\/i> l\u00e0 l\u01b0\u1ee3ng h\u00e0ng h\u00f3a v\u00e0 d\u1ecbch v\u1ee5 \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t trong n\u01b0\u1edbc m\u00e0 c\u00e1c t\u00e1c nh\u00e2n kinh t\u1ebf s\u1eb5n s\u00e0ng v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng mua t\u1ea1i m\u1ed7i m\u1ee9c gi\u00e1.<\/p>\n

C\u00e1c nh\u00e2n t\u1ed1 c\u1ea5u th\u00e0nh t\u1ed5ng c\u1ea7u<\/font><\/h3>\n

T\u1ed5ng c\u1ea7u g\u1ed3m c\u00e1c b\u1ed9 ph\u1eadn c\u1ea5u th\u00e0nh sau<\/p>\n

(1) Ti\u00eau d\u00f9ng (C)<\/b><\/p>\n

Ti\u00eau d\u00f9ng ch\u1ee7 y\u1ebfu do thu nh\u1eadp kh\u1ea3 d\u1ee5ng (Yd) quy\u1ebft \u0111\u1ecbnh, \u0111\u00f3 l\u00e0 ph\u1ea7n thu nh\u1eadp c\u00e1 nh\u00e2n sau khi tr\u1eeb \u0111i thu\u1ebf (Yd = Y – T)<\/p>\n

Ngo\u00e0i ra, c\u00f2n c\u00f3 c\u00e1c y\u1ebfu t\u1ed1 kh\u00e1c \u1ea3nh h\u01b0\u1edfng t\u1edbi ti\u00eau d\u00f9ng nh\u01b0: xu h\u01b0\u1edbng d\u00e0i h\u1ea1n c\u1ee7a thu nh\u1eadp, c\u1ee7a c\u1ea3i h\u1ed9 gia \u0111\u00ecnh v\u00e0 m\u1ee9c gi\u00e1 chung<\/p>\n

(2) \u0110\u1ea7u t\u01b0 t\u01b0 nh\u00e2n (I)<\/b><\/p>\n

Chi ti\u00eau \u0111\u1ea7u t\u01b0 bao g\u1ed3m c\u00e1c kho\u1ea3n ti\u1ec1n t\u01b0 nh\u00e2n b\u1ecf ra mua nh\u00e0 x\u01b0\u1edfng, trang thi\u1ebft b\u1ecb v\u00e0 t\u00edch l\u0169y h\u00e0ng h\u00f3a t\u1ed3n kho.<\/p>\n

C\u00e1c nh\u00e2n t\u1ed1 ch\u00ednh quy\u1ebft \u0111\u1ecbnh \u0111\u1ea7u t\u01b0 l\u00e0 m\u1ee9c s\u1ea3n l\u01b0\u1ee3ng, chi ph\u00ed v\u1ed1n (ph\u1ee5 thu\u1ed9c v\u00e0o ch\u00ednh s\u00e1ch thu\u1ebf, l\u00e3i su\u1ea5t v\u00e0 c\u00e1c \u0111i\u1ec1u ki\u1ec7n t\u00e0i ch\u00ednh kh\u00e1c) v\u00e0 k\u00ec v\u1ecdng v\u1ec1 t\u01b0\u01a1ng lai.<\/p>\n

(3) Chi ti\u00eau c\u1ee7a Ch\u00ednh ph\u1ee7 (G)<\/b><\/p>\n

L\u00e0 c\u00e1c kho\u1ea3n chi ti\u00eau c\u1ee7a Ch\u00ednh ph\u1ee7 \u0111\u1ec3 mua s\u1eafm c\u00e1c h\u00e0ng h\u00f3a v\u00e0 d\u1ecbch v\u1ee5. Kh\u00e1c v\u1edbi ti\u00eau d\u00f9ng v\u00e0 \u0111\u1ea7u t\u01b0, n\u1ed9i dung n\u00e0y c\u1ee7a t\u1ed5ng c\u1ea7u \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh tr\u1ef1c ti\u1ebfp b\u1edfi c\u00e1c quy\u1ebft \u0111\u1ecbnh chi ti\u00eau c\u1ee7a ch\u00ednh ph\u1ee7.<\/p>\n

(4) Xu\u1ea5t kh\u1ea9u r\u00f2ng (NX)<\/b><\/p>\n

L\u00e0 ch\u00eanh l\u1ec7ch gi\u1eefa t\u1ed5ng kim ng\u1ea1ch xu\u1ea5t kh\u1ea9u v\u00e0 nh\u1eadp kh\u1ea9u. Trong \u0111\u00f3:<\/p>\n

Nh\u1eadp kh\u1ea9u (Imports): \u0111\u01b0\u1ee3c quy\u1ebft \u0111\u1ecbnh b\u1edfi thu nh\u1eadp trong n\u01b0\u1edbc, t\u1ec9 s\u1ed1 gi\u00e1 trong n\u01b0\u1edbc so v\u1edbi gi\u00e1 qu\u1ed1c t\u1ebf v\u00e0 t\u1ec9 gi\u00e1 h\u1ed1i \u0111o\u00e1i.<\/p>\n

Xu\u1ea5t kh\u1ea9u (Exports): \u0111\u01b0\u1ee3c quy\u1ebft \u0111\u1ecbnh b\u1edfi thu nh\u1eadp qu\u1ed1c d\u00e2n v\u00e0 s\u1ea3n l\u01b0\u1ee3ng \u1edf n\u01b0\u1edbc ngo\u00e0i, b\u1edfi m\u1ee9c gi\u00e1 t\u01b0\u01a1ng \u0111\u1ed1i v\u00e0 t\u1ec9 gi\u00e1 h\u1ed1i \u0111o\u00e1i.\u00a0<\/p>\n

Nh\u01b0 v\u1eady, xu\u1ea5t kh\u1ea9u r\u00f2ng ph\u1ee5 thu\u1ed9c v\u00e0o thu nh\u1eadp trong n\u01b0\u1edbc, ngo\u00e0i n\u01b0\u1edbc, gi\u00e1 t\u01b0\u01a1ng \u0111\u1ed1i v\u00e0 t\u1ec9 gi\u00e1 h\u1ed1i \u0111o\u00e1i.<\/p>\n

C\u00e1c m\u00f4 h\u00ecnh t\u1ed5ng c\u1ea7u<\/font><\/h3>\n

A. M\u00f4 h\u00ecnh t\u1ed5ng c\u1ea7u trong n\u1ec1n kinh t\u1ebf gi\u1ea3n \u0111\u01a1n<\/b><\/p>\n

– N\u1ec1n kinh t\u1ebf gi\u1ea3n \u0111\u01a1n l\u00e0 n\u00ean kinh t\u1ebf ch\u1ec9 bao g\u1ed3m hai khu v\u1ef1c l\u00e0 h\u1ed9 gia \u0111\u00ecnh v\u00e0 h\u00e3ng kinh doanh (doanh nghi\u1ec7p).<\/p>\n

– T\u1ed5ng c\u1ea7u trong n\u1ec1n kinh t\u1ebf gi\u1ea3n \u0111\u01a1n l\u00e0 to\u00e0n b\u1ed9 s\u1ed1 l\u01b0\u1ee3ng h\u00e0ng h\u00f3a v\u00e0 d\u1ecbch v\u1ee5 m\u00e0 c\u00e1c h\u1ed9 gia \u0111\u00ecnh v\u00e0 c\u00e1c h\u00e3ng kinh doanh d\u1ef1 ki\u1ebfn chi ti\u00eau, t\u01b0\u01a1ng \u1ee9ng v\u1edbi m\u1ee9c thu nh\u1eadp c\u1ee7a h\u1ecd.<\/p>\n

AD = C + I<\/p>\n

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

C l\u00e0 c\u1ea7u v\u1ec1 h\u00e0ng h\u00f3a v\u00e0 d\u1ecbch v\u1ee5 ti\u00eau d\u00f9ng c\u1ee7a h\u1ed9 gia \u0111\u00ecnh.<\/p>\n

I l\u00e0 c\u1ea7u v\u1ec1 h\u00e0ng h\u00f3a v\u00e0 d\u1ecbch v\u1ee5 \u0111\u1ea7u t\u01b0 c\u1ee7a h\u00e3ng kinh doanh.<\/p>\n

Nghi\u00ean c\u1ee9u v\u1ec1 h\u00e0m t\u1ed5ng c\u1ea7u trong n\u1ec1n kinh t\u1ebf gi\u1ea3n \u0111\u01a1n \u0111\u01b0\u1ee3c \u0111\u01b0a v\u1ec1 nghi\u00ean c\u1ee9u hai h\u00e0m l\u00e0 h\u00e0m ti\u00eau d\u00f9ng (C) v\u00e0 h\u00e0m \u0111\u1ea7u t\u01b0 (I).<\/p>\n

Thay h\u00e0m C v\u00e0 I v\u00e0o ph\u01b0\u01a1ng tr\u00ecnh tr\u00ean, ta c\u00f3<\/p>\n

AD1<\/sub> =\u00a0C\u0305 + \u012a + MPC x Y + MPI x Y<\/p>\n

AD1<\/sub> =\u00a0C\u0305 + \u012a + (MPC + MPI) x Y<\/p>\n

T\u1ed5ng c\u1ea7u bao g\u1ed3m hai b\u1ed9 ph\u1eadn: M\u1ed9t b\u1ed9 ph\u1eadn kh\u00f4ng ph\u1ee5 thu\u1ed9c v\u00e0o thu nh\u1eadp (C\u0305, \u012a ) v\u00e0 m\u1ed9t b\u1ed9 ph\u1eadn ph\u1ee5 thu\u1ed9c v\u00e0o thu nh\u1eadp (MPC x Y v\u00e0\u00a0MPI x Y).<\/p>\n

Ch\u00fa \u00fd: Trong n\u1ec1n kinh t\u1ebf gi\u1ea3n \u0111\u01a1n Y = Yd do \u0111\u00f3 h\u00e0m C \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n theo Y.<\/p>\n

K\u1ebft lu\u1eadn: H\u00e0m t\u1ed5ng c\u1ea7u AD1<\/sub>\u00a0c\u00f2n g\u1ecdi l\u00e0 h\u00e0m t\u1ed5ng c\u1ea7u theo s\u1ea3n l\u01b0\u1ee3ng cho bi\u1ebft m\u1ee9c t\u1ed5ng c\u1ea7u hay t\u1ed5ng chi ti\u00eau ph\u1ee5 thu\u1ed9c nh\u01b0 th\u1ebf n\u00e0o v\u00e0o s\u1ea3n l\u01b0\u1ee3ng.<\/p>\n

Trong h\u00e0m t\u1ed5ng c\u1ea7u AD1,\u00a0<\/sub>ta th\u1ea5y MPC > 0; MPI >= 0 v\u00ec v\u1eady (MPC + MPI) > 0. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 h\u00e0m t\u1ed5ng c\u1ea7u \u0111\u1ed3ng bi\u1ebfn theo s\u1ea3n l\u01b0\u1ee3ng.\u00a0<\/p>\n

N\u00f3i c\u00e1ch kh\u00e1c l\u00e0 khi s\u1ea3n l\u01b0\u1ee3ng t\u0103ng l\u00e0m thu nh\u1eadp kh\u1ea3 d\u1ee5ng t\u0103ng, d\u1eabn \u0111\u1ebfn ti\u00eau d\u00f9ng t\u0103ng. S\u1ea3n l\u01b0\u1ee3ng t\u0103ng c\u00f3 th\u1ec3 l\u00e0m cho \u0111\u1ea7u t\u01b0 t\u0103ng. V\u00ec v\u1eady, s\u1ea3n l\u01b0\u1ee3ng l\u00e0m t\u1ed5ng chi ti\u00eau t\u0103ng, t\u1ee9c l\u00e0 t\u1ed5ng c\u1ea7u t\u0103ng.<\/p>\n

B. M\u00f4 h\u00ecnh t\u1ed5ng c\u1ea7u trong n\u1ec1n kinh t\u1ebf \u0111\u00f3ng<\/b><\/p>\n

– N\u1ec1n kinh t\u1ebf \u0111\u00f3ng l\u00e0 n\u1ec1n kinh t\u1ebf c\u00f3 ba t\u00e1c nh\u00e2n tham gia v\u00e0o ho\u1ea1t \u0111\u1ed9ng kinh t\u1ebf: h\u1ed9 gia \u0111\u00ecnh, h\u00e3ng kinh doanh v\u00e0 Ch\u00ednh ph\u1ee7.<\/p>\n

– Ch\u00ednh ph\u1ee7 tham gia v\u00e0o n\u1ec1n kinh t\u1ebf v\u1edbi hai h\u00e0nh vi: chi ti\u00eau v\u00e0 thu\u1ebf.<\/p>\n

AD = C + I + G<\/p>\n

H\u00e0m t\u1ed5ng c\u1ea7u trong n\u1ec1n kinh t\u1ebf \u0111\u00f3ng ngo\u00e0i nghi\u00ean c\u1ee9u h\u00e0m ti\u00eau d\u00f9ng (C), h\u00e0m \u0111\u1ea7u t\u01b0 (I) c\u00f2n nghi\u00ean c\u1ee9u h\u00e0m chi ti\u00eau mua h\u00e0ng h\u00f3a v\u00e0 d\u1ecbch v\u1ee5 (G) v\u00e0 t\u00e1c \u0111\u1ed9ng c\u1ee7a thu\u1ebf \u0111\u1ebfn h\u00e0m ti\u00eau d\u00f9ng.<\/p>\n

Ta c\u00f3:<\/p>\n

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C. M\u00f4 h\u00ecnh t\u1ed5ng c\u1ea7u trong n\u1ec1n kinh t\u1ebf m\u1edf<\/b><\/p>\n

T\u1ed5ng c\u1ea7u trong n\u1ec1n kinh t\u1ebf m\u1edf \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh khi k\u1ebft h\u1ee3p t\u1ed5ng c\u1ea7u c\u1ee7a n\u1ec1n kinh t\u1ebf \u0111\u00f3ng v\u1edbi ho\u1ea1t \u0111\u1ed9ng ngo\u1ea1i th\u01b0\u01a1ng.<\/p>\n

AD = C + I + G + NX<\/p>\n

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(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 T\u1ed5ng c\u1ea7u (ti\u1ebfng Anh: Aggregate Demand, vi\u1ebft t\u1eaft: AD) l\u00e0 l\u01b0\u1ee3ng h\u00e0ng h\u00f3a v\u00e0 d\u1ecbch v\u1ee5 \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t trong n\u01b0\u1edbc m\u00e0 c\u00e1c t\u00e1c nh\u00e2n kinh t\u1ebf s\u1eb5n s\u00e0ng v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng mua t\u1ea1i m\u1ed7i m\u1ee9c gi\u00e1.\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\/27081"}],"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=27081"}],"version-history":[{"count":0,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/27081\/revisions"}],"wp:attachment":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/media?parent=27081"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/categories?post=27081"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/tags?post=27081"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}