Akụkọ ụlọ ọrụ
Tarifu (akụkụ nke mbụ)
* Mee 8, 2025*
1. Akụkọ mmalite nke tarifu
Tarifụ nwere ogologo akụkọ ihe mere eme ma bụrụkwa ebe mbụ isi enweta ego gbasara mmefu ego maka ọtụtụ mba. A na-echekwa ndekọ tarifu ndị mbụ dị ndụ na Palmyra, obodo oge ochie dị na ọzara Siria. Ihe ndị e dere n’ahụ́ ájá nke ụlọ ọrụ kọstọm nke obodo ahụ kọwara n’ụzọ zuru ezu ụtụ isi a na-atụ ndị ohu, ngwá ahịa, ajị anụ ejiri esiji, mmanụ na-esi ísì ụtọ, ihe oriri, na ihe ndị ọzọ na-agafe ókèala ya.
Okwu Bekee "tarifu" sitere na okwu French "tarif" (nke pụtara "ịtọ ọnụ ahịa"), nke n'onwe ya na-enweta site na Italian "tariffa" (na-ezo aka na "ndepụta ọnụahịa" ma ọ bụ oge ụtụ). Mgbọrọgwụ Latin ochie a banyere n'akwụkwọ ọkọwa okwu ọdịda anyanwụ site na mmekọrịta ya na ndị Turkic, na-alaghachi azụ na okwu Turkish Ottoman "ta'rife" ("ndepụta ọnụahịa" ma ọ bụ "usoro tarifu"). Okwu Turkish, n'aka nke ya, sitere na Persian "taʿrefe" ("ọnụahịa a kapịrị ọnụ" ma ọ bụ "nnata"), gbanyere mkpọrọgwụ na Arabic "ta'rīf" (" ngosi," "nkọwa," ma ọ bụ "nkwupụta").
2. Evolushọn nke Tarifu amụma
Mgbe afọ nchọpụta nke narị afọ nke 15 gasịrị, ike ndị Europe gbasawanye ahịa nke mba ofesi, na-agbanwe ụbara akụ na ụba site na sistemu ala feudal gaa na ọla dị oké ọnụ ahịa. Mgbanwe a kpalitere atumatu tarifụ nke mercantilist ezubere iji bulie oke ọla edo na ọlaọcha.
Na America, nguzogide colonial megide tarifụ tii dị iche iche nke Britain kwụsịrị na Boston Tea Party (1773), ihe na-akpalite mgbanwe mgbanwe America. N'ịbụ ndị ozizi nchebe Alexander Hamilton nwere mmetụta, United States nwere onwe ọhụrụ nakweere nnukwu tarifụ site na George Washington's president site na Harry Truman post-WWII oge. Ihe atụ ndị ama ama gụnyere Smoot-Hawley Tariff Act (1930), nke mere ka nnukwu ịda mbà n'obi ka njọ. Ọ bụ ezie na tarifụ na-akwalite ụtụ steeti n'akụkọ ihe mere eme, mkpa mmefu ego ha agbadala site na ijikọ ụwa ọnụ yana ịrị elu nke isi mmalite ego ọzọ.
Ihe ịma aka nke oge a:
Ọ bụ ezie na tarifụ na-echebe mmepụta ụlọ, ijikọ ụwa ọnụ ekpughere ihe ndọghachi azụ ha, karịsịa n'ịgbagọ ọrụ na oke akụ. Nyocha nke static na-ekpughe na tarifụ na-ekewa akụ na ụba site n'ịkwado mmepụta ụlọ na-adịghị mma karịa mbubata.
3, Akụ na ụba Analysis site Ụdị Obodo
| Ụdị obodo | Njirimara | Mmetụta ọdịmma |
| Obere, obere arụmọrụ | Oriri dị ala na mmepụta adịghị arụ ọrụ (na-adabere na mbubata). | Mgbaghara ndị ahịa na-ekewa n'ime: |
| Nnukwu, dị ala-arụmọrụ | Oriri dị elu mana mmepụta adịghị arụ ọrụ (bụ mbubata). | Ọ bụrụ na ego tarifu (S) sitere na ndị na-emepụta mba ofesi karịrị (b + d), uru net na-ebilite. Tarifu kacha mma na-eme na S = b + d, na-echekwa nchedo na arụmọrụ. |
| Obere, Oke-arụmọrụ | Oriri dị ala mana mmepụta dị oke mma (mbupụ na-achịkwa). | Tarifụ mbupụ nwere ike ịbara mba ahụ uru ma ọ bụrụ na mba ndị na-ebubata na-atụ ụtụ. Ụtụ isi mbupụ n'usoro nwere ike igbochi ihe mgbochi azụmaahịa mba ofesi. |
| Nnukwu, Oke-arụmọrụ | Oriri dị elu na arụmọrụ (nwere ike ịbụ onye mbupụ net ma ọ bụ onye mbubata). | Mgbagwoju anya mgbagwoju anya n'ihi nha ahịa. Tarifụ mbupụ nwere ike ịkwalite ọdịmma obodo n'okpuru ọnọdụ ụfọdụ. |
4, Mkpa dị ugbu a
Tarifụ ka bụ mma agha ihu abụọ. Ọ bụ ezie na ha na-echebe ụlọ ọrụ ma na-enweta ego ha ga-enweta, iji oke eme ihe na-akpaghasị ụdọ ọkọnọ zuru ụwa ọnụ ma na-ebuli ọnụ ahịa ndị ahịa. Dịka ọmụmaatụ, mmụba tarifu US-China nke 2025 (ihe ruru 157% na ngwa ahịa China yana 125% na mbubata US) akwụsịla azụmaahịa nke abụọ, na-egosipụta ngwa agha geopolitical ọgbara ọhụrụ nke tarifu. N'aka nke ọzọ, nkwekọrịta mpaghara dị ka RCEP na CPTPP na-akwalite mbelata tarifu, na-egosipụta usoro abụọ nke nchebe na nnwere onwe.
