NJSM – Mujalladi 3, Lamba 2 An wallafa: November 17, 2023
Kasuwar Jari a Matsayin Mai Hanzarta Bunƙasa Tattalin Arziki – Mary Uduk
Matsakaiciyar Ƙimar Sauyi da Aka Tabbatar a Matsayin Ma’aunin Sauyin Farashi Mai Juriya don Ƙiyasta Samfurin Komawar Kai Mai Bambanci (HAR) Yayin Katsewar Rashin Daidaito – OlaOluwa S. Yaya, Olanrewaju I. Shittu, Femi J. Ayoola, Oluwamilare G. Olutayo
Taƙaitaccen Bayani:
Takardar ta binciki aikin ma’aunan sauyin farashi da aka tabbatar yayin tsalle a nau’o’in HAR, ciki har da sabon samfurin HAR mai rashin daidaito, tsalle, katsewar tsari da kuskuren GARCH. Ta amfani da kwaikwayon bazuwar yaduwa, sakamakon ya nuna masu ƙiyasta da ke jure tsalle, kamar bambancin ƙarfi biyu (BV), mafi ƙarancin bambancin da aka tabbatar (minRV) da matsakaiciyar bambancin da aka tabbatar (medRV). Sakamakon ya kuma nuna medRV shi ne mafi kyawun ma’aunin sauyin farashi ga samfuran kasuwa masu bambanci irin na wannan aikin. An kuma gabatar da medRVt a matsayin kyakkyawan mai ƙiyasta haɗaɗɗiyar bambanci mai juriya ga tsalle a ribar kuɗi ta cikin yini, ma’amala bayan ma’amala.
Amsar Kasuwar Hannayen Jari ga Manufofin Kuɗi da Kasafi a Najeriya – Samuel R.Orekoya
Taƙaitaccen Bayani:
Saɓanin binciken da ke nazarin manufofin kuɗi da kasafi dabam, wannan ya duba amsar kasuwar Najeriya ga haɗin tasirinsu. Ta amfani da SVAR da bayanan kwata daga 1990Q1 zuwa 2016Q4, amsar tara girgiza ta nuna duka manufofin suna shafar kasuwar hannayen jari. Shaidu sun nuna hulɗarsu tana da muhimmanci wajen bayyana ci gaban kasuwa. Saboda haka an shawarci masu nazarin kasuwanci da masu zuba jari su duba haɗin tasirin manufofin kuɗi da kasafi, ba tasirinsu dabam ba, wajen nazarin kasuwa da manufofin tattalin arziki.
Amsar Tattalin Arzikin Najeriya ga Girgizar Kasuwar Jari: Nazarin Shaidu – Mukhtar Danladi Gaaladima da Abubakar Wambai Aminu
Taƙaitaccen Bayani:
Takardar ta binciki amsar tattalin arzikin Najeriya ga girgizar kasuwar jari daga 1981 zuwa 2016. Ta amfani da ma’aunan girman kasuwar jari da bunƙasar tattalin arziki, ta yi amfani da VECM da nazarin ayyukan amsar girgiza (IRFs) da rarrabuwar bambanci (VDCs). Sai dai wani keɓantacce, IRFs sun nuna amsa mai kyau. Ma’aunan kasuwar jari biyu ( ) sun haifar da sauyi mai kyau da muhimmanci, yayin da girgizar wani ta haifar da amsa mara kyau. VDCs sun nuna sauyin bunƙasa yana fitowa daga girgizar tattalin arzikin kansa da ma’aunan kasuwar jari uku. MCAP da ND su ne muhimman ma’aunan da suka fi shafar tattalin arziki, yayin da VLT da LEGS ba su da tasiri. Sakamakon yana goyon bayan buƙatar bunƙasa kasuwar jari don tallafa wa bunƙasar tattalin arziki da ci gaba mai ɗorewa a Najeriya.
Shugabancin Kamfanoni da Aikin Kamfanonin da Aka Jera a Najeriya – James Ayuba Akwe
Taƙaitaccen Bayani:
Binciken ya duba alaƙar hanyoyin shugabancin kamfanoni da aikin kamfanonin kayan masarufi da aka jera a Musayar Hannayen Jari ta Najeriya (NSE). Yawancin binciken baya ya fi mayar da hankali ga harkokin kuɗi, kuma shaidu kan kamfanonin kayan masarufi sun yi kaɗan. Don haka an duba ribar kadarori a matsayin ma’aunin sakamako, da girman kwamitin daraktoci da tsarin membobinsa a matsayin ma’aunan bayani, daga 2007–2016. Jama’ar binciken sun haɗa duk kamfanonin masana’antun kaya da aka jera a NSE, inda kamfanonin kayan masarufi goma sha bakwai (17) suka zama samfurin. An yi amfani da hanyar ƙidaya gaba ɗaya da tsarin nazarin abubuwan da suka riga suka faru, da bayanan asusun da aka tantance. An nazarce su da haɗaɗɗiyar hanyar mafi ƙarancin murabba’ai, da masu ƙiyasta tsayayyen tasiri da bazuwar tasiri. Girman kwamitin da tsarin membobinsa sun yi alaƙa mai kyau da ribar kadarori. An ba da shawarar ƙara girman kwamitin ba fiye da goma sha biyar ba bisa ƙididdigar mafi kyawun ƙima. Kamfanoni kuma na iya ƙara daraktocin waje a kwamitinsu; hakan na iya ƙara darajar tattalin arziki da inganta bayyana gaskiya.
Tasirin Sanarwar Manufofin Kuɗi kan Farashin Hannayen Jari a Najeriya – Michael Kalu Mba
Taƙaitaccen Bayani:
Masu bincike sun yi nazari kan tasirin manufofin kuɗi ga riba da farashin hannayen jari. Amma yayin da manyan bankunan ƙasashe ke sanar da alkiblar manufofin yanzu da na gaba, hankalin masana ya koma ga tasirin sadarwar. Wannan takarda ta yi amfani da gwajin t na samfurori masu ma’aurata don tantance tasirin sanarwar MPC ga farashin Najeriya. Nazarin ya nuna farashin bankuna, inshora da sauran cibiyoyin kuɗi kaɗai suna amsa sanarwar MPC. Farashin yawancin kamfanonin da aka jera yana ɗan tashi nan bayan taron MPC. Wannan yana da amfani ga masu tsara manufofi saboda buƙatar ƙarin bayani kan alkiblar manufofin Najeriya ta gaba.
Tsara Samfurin Dogaron Kasuwar Hannayen Jari ta Najeriya da Wasu Kasuwanni ta Copula Marar Sharaɗi – Kabir Katata
Taƙaitaccen Bayani:
Takardar ta yi amfani da Copula don duba tsarin dogaron kasuwar Najeriya da Afirka ta Kudu, Masar, Argentina, Indonesia, Mexico, Turkiyya, Hong Kong, Birtaniya da ma’aunan Amurka 2. An zaɓi manyan tattalin arzikin Afirka da ma’aunan da suka fi aiki a 2017, don kuma fahimtar alaƙar ƙasashe masu ci gaba da masu tasowa. An duba rabon gefe ta ARMA GJR-GARCH da kurakuran al’ada da t; an yi amfani da Gumbel, Clayton, juyayyen Gumbel, juyayyen Clayton, Frank, student t da daidaitaccen Joe–Clayton Copula, tare da Gaussian a matsayin ma’aunin kwatanci, don rabon haɗin gwiwa. An yi gwaje-gwajen dacewa ga ribar yau da kullum daga Janairu 4, 2007 zuwa Disamba 29, 2017 don zaɓen mafi kyawun Copula. An takaita binciken ga dogaron Najeriya da kowanne ma’auni biyu-biyu. Student t ya fi dacewa da bayanan, ya bayyana dogaron Najeriya da sauran kasuwannin duniya tara. Kasuwar Indonesia ce ta fi haɗuwa da Najeriya. Sakamakon na da muhimmanci ga nazarin tarin kadarorin zuba jari, zaɓen kasuwar da NSE za ta zurfafa alaƙa da ita, da nazarin yaɗuwar rikici.
Tsara Samfurin Tasirin Rikicin Kuɗi na Duniya kan Kasuwar Hannayen Jari ta Najeriya da GARCH Mai Katsewar Tsari – Moses Abanyam Chiawa da David Adugh Kuhe
Taƙaitaccen Bayani:
Tsara samfurin sauyin farashi yana inganta ƙiyasin ma’auni da daidaiton hasashen tazara wajen kula da haɗarin kuɗi da zaɓen tarin kadarorin zuba jari, amma watsi da katsewar tsari yana rage daidaito. Binciken ya duba ribar hannayen jari yayin Rikicin Kuɗi na Duniya, ta bayanan rufewar ma’aunin duk hannayen jari daga Janairu 2, 1998 zuwa Janairu 9, 2018 da samfuran GARCH masu daidaito da marasa daidaito. An raba lokacin zuwa kafin rikici, lokacin rikici da bayansa. Akwai tasirin ARCH, taruwar sauyin farashi, kaifin saman rabon bayanai, dorewar girgiza da rashin daidaito a lokutan. Sauyin farashi ya ƙaru a rikicin 2007-2009, tare da rashin daidaito ba tare da tasirin amfani da bashi ba. Bayan rikicin, dorewar girgiza ta ragu, an samu rashin daidaito tare da tasirin amfani da bashi da amsa mai sauri ga sauyin kasuwa. Girgizar rikicin ta yi tasiri mara kyau mai muhimmanci ga kasuwar Najeriya. Alaƙar haɗari da riba mai kyau ta nuna ya kamata masu zuba jari su samu lada mai yawa kan kadarori masu haɗari. An ba da shawarar haɗa katsewar tsari cikin bambancin sharaɗi don guje wa wuce-gona-da-iri wajen ƙiyasta girgiza da dawo da amincewar masu zuba jari.