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Home > Estimating and Forecasting of Financial Time Series Volatility in Pakistan With Regime Switchig Garch Models.

Estimating and Forecasting of Financial Time Series Volatility in Pakistan With Regime Switchig Garch Models.

Thesis Info

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Author

Tahira Bano Qasim

Program

PhD

Institute

Bahauddin Zakariya University

City

Multan

Province

KPK

Country

Pakistan

Thesis Completing Year

2013

Thesis Completion Status

Completed

Subject

Statistics

Language

English

Link

http://prr.hec.gov.pk/jspui/bitstream/123456789/14168/1/7242H.PDF

Added

2021-02-17 19:49:13

Modified

2023-01-25 17:07:01

ARI ID

1676726090568

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تنقید نگاری

تنقید نگاری

                 تنقید کے میدان میں بھی مصنف مذکور نے اپنا لوہا منوایا اور ایک کتاب لکھی جس کا نام ’’ہیئت شعر‘‘ہے۔یہ کتاب اقبال کی جمالیاتی ساخت اور ان کی سوچ کے اعتبارسے فکری نا م پر بحث کی کتاب ہے۔2016ء میں یہ کتاب اسوہ کالج اسلام آباد سے چھپی اس کتاب کے 224 صفحات ہیں اور اسے 9 حصوں میں تقسیم کیا گیاہے۔ اقبال کے فن پر یہ کتاب نہایت اہمیت کی حامل ہے۔اس کتاب کے بارے میں ناصر عباس نیر لکھتے ہیں کہ:

’’ایک سطح پر ان کی تنقید ،اس تخلیقی طریق کار کی وضاحت محسوس ہوتی ہے۔جسے ان کی نظم اور فکشن میں برتا گیا ہے،دوسری سطح پر اقبال کی شاعری کا فنی مطالعہ ایک نئی سطح پر کرتی ہے اور اقبال کی شاعری کو آئیڈیالوجیائی بیانیوں سے آزاد کراتی محسوس ہوتی ہے۔ تیسری سطح پر جدید شاعری کی تحسین و تفہیم کا پیمانہ مہیا کرتی ہے۔ ‘‘(18)

                تنقید کے میدان میں بھی مصنف کا پہلا قدم کامیاب رہا اور ان کی کاوش کو سراہا گیا۔اس کتاب میں انہوں نے اقبال کی جمالیاتی ساخت اور ان کی شاعری کا ان کی سوچ کے اعتبار سے فکری جائزہ پیش کیا ہے۔انہوں نے ایک نئی سطح پراقبال کی شاعری کا جائزہ پیش کرکے اسے قابل تحسین کے پیمانہ سے متعارف کروایا ہے۔یقیناً یہ ناطق کے فن کی ایک عمدہ کاوش ہے۔

عالمی امن میں اسلام کا کردار

We live in a global village. The cyber world has brought together people and shurnk the distences, yet multi cultural, multi ethinic and multi national has become the norm of the day. There is virtually no such place, no town, no village, city or state where people from diverse backgrounds speaking diffirent lagnuages and professing diffirent creeds live. This diveristy and variety is the essence of life.  This paper analyzes various ways of establishing peace in the light of Islamic teachings. It finds out the causes of quarrels and disputes in different nations so that they may be prevented to make the world peaceful.

Nutritional and Biochemical Evaluation of Vitamin K Enriched Dietary Sources

The present investigation was an effort to explore the health claims of vitamin K enriched dietary sources i.e. cooked spinach and fermented soybean/natto against the menace of vitamin K deficiency. Initially, spinach and soybean were characterized with special reference to vitamin K contents followed by product development and finally bioefficacy study for the management of blood coagulation and vitamin K dependent proteins. The nutritional analysis indicated that spinach has ample amount of moisture followed by protein and fiber whereas soybean contains higher amount of protein and fat contents. The high performance liquid chromatography (HPLC) quantification of vitamin K revealed that phylloquinone was higher in spinach as compared to soybean. Amongst antioxidant extracts, methanolic extracts of spinach and soybean showed higher total phenolic, 2,2-diphenyl-1 picrylhydrazyl (DPPH) scavenging and antioxidant activities. During product development phase, four dietary products i.e. cooked spinach (T 1 ), reconstituted spinach (T 2 ), natto A (T 3 ) and natto B (T 4 ) were formulated. Characterization of soybean based prepared products showed improvement in nutritional status due to fermentation as compared to raw material. In the formulated products, cooked spinach (T 1 ) and natto A (T 3 ) attained higher scores for sensory profile from each category. On the basis of nutritional characterization, vitamin K contents and antioxidant potential, two best products i.e. T 1 and T 3 one from each raw material were selected for efficacy study. Bioevaluation study was carried out involving New Zealand rabbits through two sequential trials for validity of the results. Accordingly, two types of studies were conducted on the basis of different groups of rabbits i.e. study I (normal rabbits) and study II (vitamin K deficient rabbits). Moreover, three different types of dietary sources namely cooked spinach a source of phylloquinone (D 2 ), natto for menaquinone-7 (D 3 ) and synthetic menadione (D 4 ) along with control (D 1 ) were provided to the respective groups. Feed & water intakes and body weights of rabbits varied significantly (p<0.05) with vitamin K dietary sources in study II while these traits behaved non-significantly in study I. The blood coagulation parameters including bleeding, clotting and prothrombin & partial thrombinplastin times and international normalized ratio (INR) were significantly (p<0.05) reduced due to vitamin K enriched dietary sources in vitamin K deficient rabbits (study II) except fibrinogen level that was improved. The serum phylloquinone levels were increased momentously (p<0.05) during study I & II (trial 1) by 23.78, 16.71 & 10.64 and 47.58, 36.42 & 27.71% in D 2 , D 3 & D 4 groups, respectively as compared to control. Similarly, serum menaquinone-7 level was improved in D 2 , D 3 and D 4 groups by 2.59, 17.77 & 1.11 in study I and 12.74, 24.50 & 10.78% in study II (trial 1). The vitamin K dependent proteins i.e. osteocalcin was increased whilst, undercarboxylated osteocalcin (ucOC) and protein induced by vitamin K absence or antagonist-II (PIVKA-II) were decreased due to vitamin K enriched dietary sources. Likewise trend for these traits was noticed in trial 2 of both studies. The liver & kidney functioning tests and hematological values were within normal range. From the present exploration, it is concluded that vitamin K enriched dietary sources containing menaquinone-7 and phylloquinone are effective to improve the serum vitamin K status and ameliorate the coagulation and vitamin K dependent proteins related abnormalities.