MariMabhanga

OTC pamusika uye kubhengi pangozi default ari macroeconomic zvakatipoteredza

The OTC pamusika chinhu chinokosha chidimbu mabasa mabhanga, kunyanya panguva macroeconomic chechetere. Uyewo mari pamusika, chiri yakaoma multi-chinhu mamiriro, pasi izvo panowanikwa insolvency ngozi dzakakwirira zvikuru. Kana simulating uye kudzidza correlations ekudzidza default kuti aizviti ukoshi bhangi yesangano iri dzakawanda tsika kuongorora ndingangokuvara default zvinowanzoshandiswa nzira Portfolio nhambo, iyo inozivikanwa se twa-ukoshi nzira. Uyezve rinogona kushandiswa uye nzira kunonyanyisa zvingangoratidza (kufadza mukana nzira).

OTC pamusika uye mamiriro ayo, zvinofungirwa kuti kutsunga wegore mukana mashoko default kunodiwawo sezvinotevera:

1. Nhamba ezvokutengeserana mabhanga pakutanga roga roga nokuti zvaida nguva;

2. Kuwanda ezvokutengeserana mabhanga, izvo maererano chokwadi pamusoro default, kureva haizopereri liquidation pachishandiswa sarudzo dzakakwirira matare ari liquidation nekambani bhangi kumbomira kana titorerwe rezinesi chokuita haizopereri liquidation, uyewo pakunamata kutaura mudare kuziva munhu kusauka bhangi inozivikanwa.

The kukarukureta panguva nguva default prices ezvokutengeserana mabhanga T vakaenzana uwandu defaults, yakakamurwa kufadza nokuwanda default, uye chinorondedzerwa ne nzira:

(Do {DT-1)) / 2 _ Ita (Ita-l) P (Not (National-1)) / 2 "Kwete (National-1) P. 106L,

apo: p2av - wepagore ndingangokuvara default chero chete ezvokutengeserana bhengi hurongwa. Panguva iyoyo isu kubvisa simba yomunyika uye zvimwewo zvinhu zviri kushanda ezvokutengeserana rwezvemabhengi maitiro uye kufungawo chete matambudziko chinhu, izvo zvinoreva nhamba mabhanga, izvo maererano Zviripo default hwokuratidza; Dt- uwandu zvinhu, ayo akanzi default mamiriro kwenguva asarudza nguva t; National - Nhamba mabhanga uchishanda panguva yasarudzwa nguva t; T - the penguva rimwe roga.

Annual ndingangokuvara default tsika kunofanira kuenzaniswa vakasarudzwa parameters makro runyararo (i.e., zvichiratidza kuti OTC pamusika kana yemakambani pamusika kuchengetedzeka) kusimbisa kuvapo Linear regression chaitika. Kuvapo nedoro kwakadaro kucharatidza pfungwa iyi iri pamberi chaiyo yokukurukurirana pakati pakazovharwa ezvokutengeserana mabhanga uye kuchinja kuitika svikiro ichi, uye zvadaro, inobva kuvakwa Linear regression mukana wokuti vanhu vanga kufembera kuchaitawo kushandura vakasarudzwa makro zviratidzo, sauka zvokufungidzira kuchinja uwandu zvebhizimisi mabhanga.

The mwero kuwirirana pakati wegore ndingangokuvara default uye makro svikiro inechirevo ari kuwirirana coefficient, kana ari kuwanda wakaenzana kana kubva -1 kusvikira +1, zvinokwanisika kutaura Linear regression ukama pakati pemitsara miviri discrete mashoko.

Macroeconomic hwaiitwa nehurumende inogona ichazivikanwa noku magumo uwandu parameters, asi ikozvino tiri kuziva chete avo Linear regression kuvimba gore negore ndingangokuvara default, tinokwanisa kuratidza kuti rucheno kuedza. Zvinofanira kucherechedzwa kuti vakawanda zvoupfumi zviratidzi angava kuwirirana ukama ane wepagore ndingangokuvara default Zvisinei, OTC musika rakagadzirwa nenzira yakadaro kuti ukama wakadaro dzinoparadzana, uye saka kwayo kuvapo unogona kuva kuzviitira.

Ongororo iyi zvinoratidza kuti pakati chiyero yakadai, sezvo pagore ndingangokuvara default uye macroeconomic kwezvakatipoteredza, pane pachena akataura causal ukama. Nokudaro, kuvhara ezvokutengeserana mabhanga nokuda kuderera dzimwe Exchange reserves, vakaiswa zvikwereti masangano nedzimwe nyika, izvo isakarurama rinokanganisa mubhizimisi chinzvimbo uye kunoita kuti nokuwedzera kukura mambure wechipfuwo chikwereti hurumende.

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