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<marc:controlfield tag="008">2026    xx            000 0 uzb d</marc:controlfield>
<marc:datafield tag="022" ind1=" " ind2=" "><marc:subfield code="a">2181-2160</marc:subfield></marc:datafield>
<marc:datafield tag="024" ind1="7" ind2=" "><marc:subfield code="a">10.5281/zenodo.21186807</marc:subfield><marc:subfield code="2">doi</marc:subfield></marc:datafield>
<marc:datafield tag="245" ind1="1" ind2="0"><marc:subfield code="a">MOLIYAVIY MASALALARDA GETEROSKEDASTIKLIKNING MOHIYATI VA AHAMIYATI</marc:subfield></marc:datafield>
<marc:datafield tag="260" ind1=" " ind2=" "><marc:subfield code="b">Research and publications</marc:subfield><marc:subfield code="c">2026</marc:subfield></marc:datafield>
<marc:datafield tag="520" ind1=" " ind2=" "><marc:subfield code="a">Ushbu maqolada ekonometrik modellarda tez-tez uchraydigan geteroskedastiklik muammosi sodda tilda tushuntirilgan. Moliyaviy va iqtisodiy ma’lumotlarni tahlil qilganda, xatoliklarning o‘zgaruvchanligi regressiya natijalariga qanday ta’sir qilishi ko‘rsatib berilgan. Maqolada bu hodisaning nima ekanligi, nima sababdan kelib chiqishi, iqtisodiy nuqtai nazardan qanday ma’no anglatishi va moliyada qanday namoyon bo‘lishi bayon qilingan. Shuningdek, geteroskedastiklikni aniqlashning oddiy usullari (masalan, grafik, Breusch-Pagan va White testlari) va uni bartaraf etish yo‘llari haqida ham so‘z boradi.</marc:subfield></marc:datafield>
<marc:datafield tag="653" ind1=" " ind2=" "><marc:subfield code="a">Geteroskedastiklik</marc:subfield></marc:datafield>
<marc:datafield tag="653" ind1=" " ind2=" "><marc:subfield code="a">regressiya modeli</marc:subfield></marc:datafield>
<marc:datafield tag="653" ind1=" " ind2=" "><marc:subfield code="a">dispersiya</marc:subfield></marc:datafield>
<marc:datafield tag="653" ind1=" " ind2=" "><marc:subfield code="a">ekonometrika</marc:subfield></marc:datafield>
<marc:datafield tag="653" ind1=" " ind2=" "><marc:subfield code="a">moliyaviy risk</marc:subfield></marc:datafield>
<marc:datafield tag="653" ind1=" " ind2=" "><marc:subfield code="a">White testi</marc:subfield></marc:datafield>
<marc:datafield tag="653" ind1=" " ind2=" "><marc:subfield code="a">Breusch-Pagan testi</marc:subfield></marc:datafield>
<marc:datafield tag="653" ind1=" " ind2=" "><marc:subfield code="a">eng kichik kvadratlar usuli</marc:subfield></marc:datafield>
<marc:datafield tag="653" ind1=" " ind2=" "><marc:subfield code="a">prognozlash</marc:subfield></marc:datafield>
<marc:datafield tag="773" ind1="0" ind2=" "><marc:subfield code="t">Ta&apos;lim fidoyilari</marc:subfield><marc:subfield code="g">Vol. 1, no. 6 (2026)</marc:subfield><marc:subfield code="x">2181-2160</marc:subfield></marc:datafield>
<marc:datafield tag="856" ind1="4" ind2="0"><marc:subfield code="u">https://openjurnal.uz/article/maqola-2-TLF-2026-035</marc:subfield><marc:subfield code="y">Landing page</marc:subfield></marc:datafield>
<marc:datafield tag="856" ind1="4" ind2="0"><marc:subfield code="u">https://rukoxlelgdqbshwjqpxd.supabase.co/storage/v1/object/public/article-pdfs/formatted/1783142535750-MOLIYAVIY_MASALALARDA_GETEROSKEDASTIKLIKNING_MOHIYATI_VA_AHA.pdf</marc:subfield><marc:subfield code="y">PDF</marc:subfield><marc:subfield code="q">application/pdf</marc:subfield></marc:datafield>
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