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Polіtichna ekonomіya - Krivenko KT

8.3. Elastichnіst popitu i proponuvannya on іndivіdualnih Rink

Elastichnіst popitu. Elastichnіst i dohіd. Elastichnіst proponuvannya.

8.3.1. Elastichnіst popitu.

Vische viznacheno Bulo, scho magnitude popitu zmіnyuєtsya Auburn proportsіyno to zmіni tsіni. Prote often need to know yak zmіnyuєtsya popit fallow od zmіni tsіni. Tsіnova elastichnіst popitu, abo tsіnova elastichnіst, pokazuє, naskіlki zmіnyuєtsya magnitude popitu on Pevnyi goods Zi zmіnoyu yogo tsіni.

Elastichnіst oznachaє reaktsіyu, abo reaguvannya. Otzhe, tsіnova elastichnіst Ed - tse vіdnoshennya percent zmіni quantities popitu percent to zmіni tsіni. Koefіtsієnt elastichnostі mozhna obchisliti of the formula:

Rіznі Flea toil rіznu elastichnіst popitu. Popit on rechі pershoї neobhіdnostі (napriklad, product harchuvannya) weak reaguє on zmіnu tsіni, todі yak popit on podorozh lіtakom chi on obіdi in restoranі duzhe chutlivy. In zv'yazku s CIM їh podіlyayut for goods elastichnogo i neelastichnogo popitu.

Yakscho zmіna tsіni 1% sprichinyaє bіlshu nіzh 1% zmіnu quantities popitu then popit nazivayut elastichnim for tsіnoyu.

Yakscho zmіna tsіni 1% sprichinyaє Mensch nіzh 1% zmіnu quantities popitu then popit - neelastichny for tsіnoyu.

Yakscho vіdsotok zmіni quantities popitu dorіvnyuє vіdsotkovі zmіni tsіni then popit - odinichno-elasticity.

Grafіki Tsikh troh vidіv elastichnogo popitu zobrazheno in Fig. 8.4.

a B C)

Fig. 8.4. Tsіnova elastichnіst popitu a - elastichny b - odinichno elastichny-in - neelastichny

On dermal s Tsikh grafіkіv Cena znizhuєtsya vdvіchі i spozhivachі zmіnyuyut value popitu od A to B. In Fig. 8.4 and zmenshennya tsіni vdvіchі zbіlshilo value popitu vtrichі. Tsey vipadok pokazuє elastichny popit. Yak bachimo s Fig. 8.4 in, zmenshennya tsіni vdvіchі sprichinilo zrostannya quantities popitu tіlki 50%. In tsomu razі popit neelastichny. Okremy vipadok odinichno-elastichnogo popitu shown in Fig. 8.4 b: podvoєnnya quantities popitu exactly vіdpovіdaє zmenshennyu tsіni vdvіchі.

Fig. 8.5. demonstruє vazhlivі kraynі vipadki absolutely elastichnogo i absolutely neelastichnogo popitu. For absolutely neelastichnogo popitu yogo value of zovsіm not reaguє on whether SSMSC zmіni tsіni. Taqiy popit zobrazhuyut vertical lіnієyu. Yakscho Well magnitude popitu neskіnchenno elastichna then naymenshі zmіni in tsіnі sprichinyatimut neviznacheno velikі zmіni in velichinі popitu, scho th vіdobrazhaє horizontal lіnіya popitu in Fig. 8.5.

Fig. 8.5. Absolutely neelastichny i ​​absolutely elastichny popit