{"id":26363,"date":"2023-12-07T02:33:25","date_gmt":"2023-12-07T02:33:25","guid":{"rendered":"https:\/\/masterskills.org\/blog\/nen-kinh-te-gian-don-simple-economy-la-gi.html"},"modified":"2023-12-22T14:52:11","modified_gmt":"2023-12-22T07:52:11","slug":"nen-kinh-te-gian-don-simple-economy-la-gi","status":"publish","type":"post","link":"https:\/\/masterskills.org\/blog\/nen-kinh-te-gian-don-simple-economy-la-gi.html","title":{"rendered":"N\u1ec1n kinh t\u1ebf gi\u1ea3n \u0111\u01a1n (Simple Economy) l\u00e0 g\u00ec?"},"content":{"rendered":"
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H\u00ecnh minh h\u1ecda. Ngu\u1ed3n: Youtube<\/p>\n<\/div>\n<\/div>\n

N\u1ec1n kinh t\u1ebf gi\u1ea3n \u0111\u01a1n (Simple Economy)<\/font><\/span><\/b><\/h2>\n

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

N\u1ec1n kinh t\u1ebf gi\u1ea3n \u0111\u01a1n<\/b> trong ti\u1ebfng Anh g\u1ecdi l\u00e0 Simple Economy<\/b>. \u0110\u00f3 l\u00e0 n\u1ec1n 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

M\u00f4 h\u00ecnh t\u1ed5ng c\u1ea7u trong n\u1ec1n kinh t\u1ebf gi\u1ea3n \u0111\u01a1n<\/font><\/h3>\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\u00a0h\u00e0m ti\u00eau d\u00f9ng (C)<\/b>\u00a0v\u00e0\u00a0h\u00e0m \u0111\u1ea7u t\u01b0 (I)<\/b>.<\/p>\n

H\u00e0m ti\u00eau d\u00f9ng l\u00e0\u00a0h\u00e0m ph\u1ea3n \u00e1nh m\u1ed1i quan h\u1ec7 gi\u1eefa m\u1ee9c chi ti\u00eau ti\u00eau d\u00f9ng v\u1edbi m\u1ee9c thu nh\u1eadp kh\u1ea3 d\u1ee5ng.<\/p>\n

C = C\u0305 + MPC x Y<\/p>\n

H\u00e0m \u0111\u1ea7u t\u01b0 theo s\u1ea3n l\u01b0\u1ee3ng I = f(Y) ph\u1ea3n \u00e1nh s\u1ef1 ph\u1ee5 thu\u1ed9c c\u1ee7a s\u1ea3n l\u01b0\u1ee3ng \u0111\u1ea7u t\u01b0 d\u1ef1 ki\u1ebfn v\u00e0o s\u1ea3n l\u01b0\u1ee3ng (thu nh\u1eadp) qu\u1ed1c gia.<\/p>\n

I =\u00a0\u012a + MPI x Y<\/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>\u00a0=\u00a0C\u0305 + \u012a + MPC x Y + MPI x Y<\/p>\n

AD1<\/sub>\u00a0=\u00a0C\u0305 + \u012a + (MPC + MPI) x Y<\/p>\n

Nh\u01b0 v\u1eady, d\u1ec5 th\u1ea5y 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. (N\u1ec1n kinh t\u1ebf gi\u1ea3n \u0111\u01a1n kh\u00f4ng ch\u1ecbu t\u00e1c \u0111\u1ed9ng c\u1ee7a thu\u1ebf)<\/p>\n

K\u1ebft lu\u1eadn<\/b><\/p>\n

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.<\/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

X\u00e1c \u0111\u1ecbnh s\u1ea3n l\u01b0\u1ee3ng c\u00e2n b\u1eb1ng<\/font><\/h3>\n

T\u1eeb ph\u01b0\u01a1ng tr\u00ecnh AD = C + I<\/span><\/p>\n

Thay C = Y – S ta \u0111\u01b0\u1ee3c AD = Y – S + I hay AD + S = Y + I<\/span><\/p>\n

N\u1ebfu x\u1ea3y ra \u0111\u1ed3ng nh\u1ea5t th\u1ee9c S = I th\u00ec ta c\u00f3 AD = Y<\/span><\/p>\n

C\u00f3 th\u1ec3 k\u1ebft lu\u1eadn nh\u01b0 sau: S\u1ea3n l\u01b0\u1ee3ng c\u00e2n b\u1eb1ng x\u1ea3y ra khi c\u00e1c kho\u1ea3n r\u00fat ra b\u1eb1ng c\u00e1c kho\u1ea3n b\u01a1m v\u00e0o.<\/span><\/p>\n

Nh\u01b0 v\u1eady: Giao \u0111i\u1ec3m c\u1ee7a \u0111\u01b0\u1eddng S v\u00e0 \u0111\u01b0\u1eddng I gi\u00f3ng xu\u1ed1ng tr\u1ee5c ho\u00e0nh ch\u00ednh l\u00e0 m\u1ee9c s\u1ea3n l\u01b0\u1ee3ng c\u00e2n b\u1eb1ng Y01<\/sub>.
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Ngu\u1ed3n: Gi\u00e1o tr\u00ecnh Kinh t\u1ebf v\u0129 m\u00f4, NXB T\u00e0i ch\u00ednh<\/p>\n<\/div>\n<\/div>\n

\u0110i\u1ec3m E l\u00e0 giao \u0111i\u1ec3m gi\u1eefa \u0111\u01b0\u1eddng ti\u1ebft ki\u1ec7m v\u00e0 \u0111\u01b0\u1eddng \u0111\u1ea7u t\u01b0. \u0110\u00e2y l\u00e0 \u0111i\u1ec3m duy nh\u1ea5t m\u00e0 m\u1ee9c ti\u1ebft ki\u1ec7m mong mu\u1ed1n c\u1ee7a c\u00e1c h\u1ed9 gia \u0111\u00ecnh \u0111\u00fang b\u1eb1ng v\u1edbi m\u1ee9c \u0111\u1ea7u t\u01b0 mong mu\u1ed1n c\u1ee7a c\u00e1c h\u00e3ng kinh doanh.<\/p>\n

X\u00e1c \u0111\u1ecbnh s\u1ed1 nh\u00e2n chi ti\u00eau<\/font><\/span><\/b><\/h3>\n

\u0110\u1ec3 x\u00e1c \u0111\u1ecbnh s\u1ed1 nh\u00e2n chi ti\u00eau, ta s\u1eed d\u1ee5ng \u0111i\u1ec1u ki\u1ec7n c\u00e2n b\u1eb1ng c\u1ee7a th\u1ecb tr\u01b0\u1eddng h\u00e0ng h\u00f3a:\u00a0<\/p>\n

AD = Y, thay Y v\u00e0o ph\u01b0\u01a1ng tr\u00ecnh tr\u00ean v\u00e0 bi\u1ebfn \u0111\u1ed5i ta \u0111\u01b0\u1ee3c:<\/p>\n

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Ngu\u1ed3n: Gi\u00e1o tr\u00ecnh Kinh t\u1ebf v\u0129 m\u00f4, NXB T\u00e0i ch\u00ednh<\/p>\n<\/div>\n<\/div>\n

Nh\u1eadn x\u00e9t<\/b><\/p>\n

m: \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 s\u1ed1 nh\u00e2n chi ti\u00eau c\u1ee7a n\u1ec1n kinh t\u1ebf gi\u1ea3n \u0111\u01a1n<\/p>\n

C\u00f4ng th\u1ee9c t\u00ednh s\u1ed1 nh\u00e2n cho ta bi\u1ebft:<\/p>\n

m ph\u1ee5 thu\u1ed9c v\u00e0o MPC v\u00e0 MPI<\/p>\n

m > 1 v\u00ec 0 < MPC + MPI < 1<\/p>\n

V\u1edbi s\u1ed1 nh\u00e2n l\u00e0 m, khi t\u1ed5ng c\u1ea7u thay \u0111\u1ed5i m\u1ed9t l\u01b0\u1ee3ng\u00a0\u0394AD hay (\u0394C + \u0394I) \u0111\u01a1n v\u1ecb th\u00ec s\u1ea3n l\u01b0\u1ee3ng s\u1ebd thay \u0111\u1ed5i m\u1ed9t l\u01b0\u1ee3ng l\u00e0\u00a0\u0394Y g\u1ea5p m l\u1ea7n. C\u00f4ng th\u1ee9c t\u1ed5ng qu\u00e1t \u0111\u01b0\u1ee3c vi\u1ebft nh\u01b0 sau:<\/p>\n

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Ngu\u1ed3n: Gi\u00e1o tr\u00ecnh Kinh t\u1ebf v\u0129 m\u00f4, NXB T\u00e0i ch\u00ednh<\/p>\n<\/div>\n<\/div>\n

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

\n N\u1ec1n kinh t\u1ebf gi\u1ea3n \u0111\u01a1n (ti\u1ebfng Anh: Simple Economy) l\u00e0 n\u1ec1n 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).\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\/26363"}],"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=26363"}],"version-history":[{"count":0,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/26363\/revisions"}],"wp:attachment":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/media?parent=26363"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/categories?post=26363"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/tags?post=26363"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}