{"id":27036,"date":"2023-12-07T03:17:39","date_gmt":"2023-12-07T03:17:39","guid":{"rendered":"https:\/\/masterskills.org\/blog\/duong-cau-demand-curve-la-gi-su-van-dong-cua-duong-cau.html"},"modified":"2023-12-22T14:52:15","modified_gmt":"2023-12-22T07:52:15","slug":"duong-cau-demand-curve-la-gi-su-van-dong-cua-duong-cau","status":"publish","type":"post","link":"https:\/\/masterskills.org\/blog\/duong-cau-demand-curve-la-gi-su-van-dong-cua-duong-cau.html","title":{"rendered":"\u0110\u01b0\u1eddng c\u1ea7u (Demand Curve) l\u00e0 g\u00ec? S\u1ef1 v\u1eadn \u0111\u1ed9ng c\u1ee7a \u0111\u01b0\u1eddng c\u1ea7u"},"content":{"rendered":"
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H\u00ecnh minh h\u1ecda. Ngu\u1ed3n: ui-ex<\/p>\n<\/div>\n<\/div>\n

\u0110\u01b0\u1eddng c\u1ea7u (Demand Curve)<\/font><\/h2>\n

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

\u0110\u01b0\u1eddng c\u1ea7u<\/b> trong ti\u1ebfng Anh g\u1ecdi l\u00e0 Demand Curve<\/b>. \u0110\u01b0\u1eddng c\u1ea7u<\/i>\u00a0l\u00e0 \u0111\u01b0\u1eddng bi\u1ec3u di\u1ec5n m\u1ed1i quan h\u1ec7 gi\u1eefa l\u01b0\u1ee3ng c\u1ea7u v\u00e0 gi\u00e1 c\u1ea3.<\/p>\n

\u0110\u1eb7c \u0111i\u1ec3m<\/font><\/h3>\n

\u0110\u01b0\u1eddng c\u1ea7u<\/b> cho bi\u1ebft l\u01b0\u1ee3ng c\u1ea7u v\u1ec1 m\u1ed9t h\u00e0ng h\u00f3a thay \u0111\u1ed5i nh\u01b0 th\u1ebf n\u00e0o khi gi\u00e1 c\u1ea3 c\u1ee7a n\u00f3 thay \u0111\u1ed5i. V\u00ec gi\u00e1 c\u1ee7a h\u00e0ng h\u00f3a c\u00e0ng th\u1ea5p c\u00e0ng l\u00e0m t\u0103ng l\u01b0\u1ee3ng c\u1ea7u n\u00ean \u0111\u01b0\u1eddng c\u1ea7u d\u1ed1c xu\u1ed1ng.<\/p>\n

S\u1ef1 v\u1eadn \u0111\u1ed9ng d\u1ecdc theo \u0111\u01b0\u1eddng c\u1ea7u<\/font><\/h3>\n

S\u1ef1 v\u1eadn \u0111\u1ed9ng (hay di chuy\u1ec3n) d\u1ecdc theo \u0111\u01b0\u1eddng c\u1ea7u l\u00e0 s\u1ef1 thay \u0111\u1ed5i c\u1ee7a l\u01b0\u1ee3ng c\u1ea7u v\u1ec1 m\u1ed9t h\u00e0ng h\u00f3a n\u00e0o \u0111\u00f3 khi gi\u00e1 c\u1ea3 c\u1ee7a h\u00e0ng h\u00f3a \u0111\u00f3 thay \u0111\u1ed5i.<\/p>\n

N\u1ebfu c\u00e1c y\u1ebfu t\u1ed1 kh\u00e1c kh\u00f4ng \u0111\u1ed5i m\u00e0 gi\u00e1 c\u1ea3 c\u1ee7a h\u00e0ng h\u00f3a t\u0103ng l\u00ean th\u00ec l\u01b0\u1ee3ng c\u1ea7u v\u1ec1 h\u00e0ng h\u00f3a \u0111\u00f3 gi\u1ea3m xu\u1ed1ng (v\u1eadn \u0111\u1ed9ng l\u00ean ph\u00eda tr\u00ean c\u1ee7a \u0111\u01b0\u1eddng c\u1ea7u). Ng\u01b0\u1ee3c l\u1ea1i n\u1ebfu gi\u00e1 c\u1ea3 gi\u1ea3m xu\u1ed1ng th\u00ec l\u01b0\u1ee3ng c\u1ea7u s\u1ebd t\u0103ng l\u00ean (v\u1eadn \u0111\u1ed9ng xu\u1ed1ng d\u01b0\u1edbi c\u1ee7a \u0111\u01b0\u1eddng c\u1ea7u).<\/p>\n

Ch\u1eb3ng h\u1ea1n h\u00ecnh 2.2a bi\u1ec3u di\u1ec5n nhu c\u1ea7u v\u1ec1 bia c\u1ee7a anh A khi gi\u00e1 bia l\u00e0 2.000 \u0111\u1ed3ng\/c\u1ed1c th\u00ec l\u01b0\u1ee3ng bia l\u00e0 50 c\u1ed1c.<\/p>\n

Khi gi\u00e1 bia l\u00e0 2.500 \u0111\u1ed3ng\/c\u1ed1c th\u00ec l\u01b0\u1ee3ng bia l\u00e0 40 c\u1ed1c (v\u1eadn \u0111\u1ed9ng l\u00ean tr\u00ean \u0111\u01b0\u1eddng c\u1ea7u) v\u00e0 khi gi\u00e1 bia xu\u1ed1ng 1.500 \u0111\u1ed3ng\/c\u1ed1c th\u00ec l\u01b0\u1ee3ng c\u1ea7u v\u1ec1 bia l\u00e0 60 c\u1ed1c (d\u1ecbch chuy\u1ec3n xu\u1ed1ng d\u01b0\u1edbi c\u1ee7a \u0111\u01b0\u1eddng c\u1ea7u)<\/p>\n

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Ngu\u1ed3n: Gi\u00e1o tr\u00ecnh Kinh t\u1ebf vi m\u00f4, NXB H\u00e0 N\u1ed9i<\/p>\n<\/div>\n<\/div>\n

S\u1ef1 d\u1ecbch chuy\u1ec3n c\u1ee7a c\u1ea3 \u0111\u01b0\u1eddng c\u1ea7u<\/font><\/h3>\n

\u0110i\u1ec1u g\u00ec s\u1ebd x\u1ea3y ra khi thu nh\u1eadp h\u00e0ng th\u00e1ng c\u1ee7a anh A t\u0103ng l\u00ean (ch\u1eb3ng h\u1ea1n t\u1eeb 2 tri\u1ec7u \u0111\u1ed3ng\/th\u00e1ng l\u00ean 3 tri\u1ec7u \u0111\u1ed3ng\/th\u00e1ng).\u00a0<\/p>\n

Khi thu nh\u1eadp t\u0103ng l\u00ean th\u00ec l\u01b0\u1ee3ng c\u1ea7u v\u1ec1 bia c\u1ee7a anh A s\u1ebd t\u0103ng l\u00ean \u1edf m\u1ecdi m\u1ee9c gi\u00e1 v\u00e0 \u0111\u01b0\u1eddng c\u1ea7u d\u1ecbch chuy\u1ec3n sang D1. Ng\u01b0\u1ee3c l\u1ea1i khi thu nh\u1eadp gi\u1ea3m xu\u1ed1ng th\u00ec l\u01b0\u1ee3ng c\u1ea7u v\u1ec1 bia c\u1ee7a anh A s\u1ebd gi\u1ea3m \u1edf m\u1ecdi m\u1ee9c gi\u00e1 v\u00e0 \u0111\u01b0\u1eddng c\u1ea7u d\u1ecbch chuy\u1ec3n sang tr\u00e1i t\u1eeb D2 \u0111\u1ebfn D3.<\/p>\n

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Ngu\u1ed3n: Gi\u00e1o tr\u00ecnh Kinh t\u1ebf vi m\u00f4, NXB H\u00e0 N\u1ed9i<\/p>\n<\/div>\n<\/div>\n

B\u1ea5t k\u00ec s\u1ef1 thay \u0111\u1ed5i n\u00e0o l\u00e0m t\u0103ng l\u01b0\u1ee3ng h\u00e0ng m\u00e0 ng\u01b0\u1eddi mua mu\u1ed1n mua t\u1ea1i m\u1ed9t m\u1ee9c gi\u00e1 nh\u1ea5t \u0111\u1ecbnh c\u0169ng l\u00e0m d\u1ecbch chuy\u1ec3n \u0111\u01b0\u1eddng c\u1ea7u sang ph\u1ea3i g\u1ecdi l\u00e0 t\u0103ng c\u1ea7u.<\/p>\n

B\u1ea5t k\u00ec s\u1ef1 thay \u0111\u1ed5i n\u00e0o l\u00e0m gi\u1ea3m l\u01b0\u1ee3ng h\u00e0ng m\u00e0 ng\u01b0\u1eddi mua mu\u1ed1n mua t\u1ea1i m\u1ed9t m\u1ee9c gi\u00e1 nh\u1ea5t \u0111\u1ecbnh c\u0169ng l\u00e0m d\u1ecbch chuy\u1ec3n \u0111\u01b0\u1eddng c\u1ea7u sang tr\u00e1i g\u1ecdi l\u00e0 gi\u1ea3m c\u1ea7u.<\/p>\n

M\u1ed7i khi m\u1ed9t y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh nhu c\u1ea7u n\u00e0o \u0111\u00f3 thay \u0111\u1ed5i tr\u1eeb gi\u00e1 c\u1ea3 h\u00e0ng h\u00f3a, \u0111\u01b0\u1eddng c\u1ea7u \u0111\u1ec1u d\u1ecbch chuy\u1ec3n.<\/p>\n

H\u00ecnh 2.3 ch\u1ec9 ra r\u1eb1ng b\u1ea5t k\u00ec s\u1ef1 thay \u0111\u1ed5i l\u00e0m t\u0103ng l\u01b0\u1ee3ng c\u1ea7u tai m\u1ecdi m\u1ee9c gi\u00e1 c\u0169ng l\u00e0m d\u1ecbch chuy\u1ec3n \u0111\u01b0\u1eddng c\u1ea7u sang b\u00ean ph\u1ea3i. T\u01b0\u01a1ng t\u1ef1 b\u1ea5t k\u00ec s\u1ef1 thay \u0111\u1ed5i n\u00e0o l\u00e0m gi\u1ea3m l\u01b0\u1ee3ng c\u1ea7u t\u1ea1o m\u1ecdi m\u1ee9c gi\u00e1 c\u0169ng l\u00e0m d\u1ecbch chuy\u1ec3n \u0111\u01b0\u1eddng c\u1ea7u sang tr\u00e1i.<\/p>\n

K\u1ebft lu\u1eadn<\/font><\/h3>\n

Khi gi\u00e1 c\u1ea3 h\u00e0ng h\u00f3a thay \u0111\u1ed5i trong \u0111i\u1ec1u ki\u1ec7n t\u1ea5t c\u1ea3 c\u00e1c y\u1ebfu t\u1ed1 kh\u00e1c t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn c\u1ea7u kh\u00f4ng \u0111\u1ed5i th\u00ec s\u1ebd c\u00f3 s\u1ef1 v\u1eadn \u0111\u1ed9ng d\u1ecdc theo \u0111\u01b0\u1eddng c\u1ea7u.<\/p>\n

\u0110\u1ed5i l\u1ea1i, khi m\u1ed9t trong c\u00e1c bi\u1ebfn s\u1ed1 nh\u01b0 thu nh\u1eadp, k\u00ec v\u1ecdng, th\u1ecb hi\u1ebfu, d\u00e2n s\u1ed1, gi\u00e1 c\u1ea3 h\u00e0ng h\u00f3a li\u00ean quan thay \u0111\u1ed5i s\u1ebd g\u00e2y ra s\u1ef1 d\u1ecbch chuy\u1ec3n (sang tr\u00e1i ho\u1eb7c sang ph\u1ea3i) c\u1ee7a c\u1ea3 \u0111\u01b0\u1eddng c\u1ea7u.<\/p>\n

(T\u00e0i li\u1ec7u tham kh\u1ea3o: Gi\u00e1o tr\u00ecnh Kinh t\u1ebf vi m\u00f4, NXB H\u00e0 N\u1ed9i)<\/i><\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

\n \u0110\u01b0\u1eddng c\u1ea7u (ti\u1ebfng Anh: Demand Curve) l\u00e0 \u0111\u01b0\u1eddng bi\u1ec3u di\u1ec5n m\u1ed1i quan h\u1ec7 gi\u1eefa l\u01b0\u1ee3ng c\u1ea7u v\u00e0 gi\u00e1 c\u1ea3. \u0110\u01b0\u1eddng c\u1ea7u cho bi\u1ebft l\u01b0\u1ee3ng c\u1ea7u v\u1ec1 m\u1ed9t h\u00e0ng h\u00f3a thay \u0111\u1ed5i nh\u01b0 th\u1ebf n\u00e0o khi gi\u00e1 c\u1ea3 c\u1ee7a n\u00f3 thay \u0111\u1ed5i.\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\/27036"}],"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=27036"}],"version-history":[{"count":0,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/27036\/revisions"}],"wp:attachment":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/media?parent=27036"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/categories?post=27036"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/tags?post=27036"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}