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Studies of Barium Titanate-Cobalt Ferrite Multiferroic Nano - Composites

Thesis Info

Author

Syed Adnan Raza

Department

Department of Physics, QAU

Program

Mphil

Institute

Quaid-i-Azam University

Institute Type

Public

City

Islamabad

Province

Islamabad

Country

Pakistan

Thesis Completing Year

2014

Thesis Completion Status

Completed

Page

68

Subject

Physics

Language

English

Other

Call No: Diss M. Phil / PHY / 1035

Added

2021-02-17 19:49:13

Modified

2023-02-19 12:33:56

ARI ID

1676718966240

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یہ زمیں نعت ہے آسماں نعت ہے

یہ زمیں نعت ہے، آسماں نعت ہے
سوچیے تو یہ سارا جہاں نعت ہے

چاند تاروں کی ساری گزر گاہیں بھی
اور معراج کی کہکشاں نعت ہے

پھول کلیاں ، پرندوں کی سب بولیاں
ہر قدم ہر روش گلستاں نعت ہے

رقص کرتے بگولے بیابان میں
اور صحرا کی ریگِ رواں نعت ہے

موج ہو یا صدف ، قطرہ ہو یا گہر
اور دریا کا آبِ رواں نعت ہے

جنگلوں کی ہوا ہو کہ بادِصبا
صبحِ گُل ہو کہ شامِ خزاں نعت ہے

آیۂ اِنَّما ، سورۂ والضُّحیٰ
اور قرآن کا ہر بیاں نعت ہے

وجہِ تخلیق کون و مکاں آپؐ ہیں
اِس لیے حق یہ ہے کُل جہاں نعت ہے

Impact of ‘Open Data’ and its Effectiveness forPakistan Social Issues: Learning fromthe UK Experience

Developmental projects are essential ingredients of prosperity and well-being. Every nation has to ensure that her people are living in a perfect and safe sociopolitical environment. However, it varies from region to region and place to place. UK as a country is a big economy which is capable of giving its people the type of security they need. For this purpose, various types of strategies have been emphasized which enable the government to look for the benefit of its people. Open data system is one of these important developments which have been initiated by the UK government to provide huge access to databases. It improves their learning and knowledge, and gives the opportunity to think ‘out of box’. It also enables people to polish their learning skills and take things out of their resources and utilize them fully. Although, there is some compulsion on the use of private data sources, yet it is necessary to know that not all data are confidential. The research looks into the pros and cons of using open data systems and to assess its impacts on the social and political development in UK. The use of open data system is not only beneficial for the people to perform their daily life tasks, it is important to evade corruption and foster great accountability of national institutions. So, there remains feeble chance of witnessing corruption in the society that could cause chaos in the nation. The use of open data systems is important for boosting up innovation and creativity for a developing country like Pakistan. Open data system has been seen playing a big part in establishing a trend of innovative growth pushed by the availability of these resources. The influence and impact of ‘Open Data’ has largely been observed during the recent Coronavirus pandemic (Covid-19) where the government has utilized the data to tackle the disease in Pakistan.

Behavior of Stock Return, Calender Effects and Adaptive Market Hypothesis Ahm : Evidence from Pakistan by Using Historic Data With Special Focus on Gregorian and Islamic Calender

Beyond the traditional verdict of efficiency/inefficiency of market, the current thesis aims to provide additional insights to portray the clear picture of behavior of stock market. Although the previous studies have broadly examined the classical EMH, but there exists no consensus among academicians and researchers whether markets are efficient or not. Earlier studies favor EMH and claim that it holds. However, the recent studies cast a serious doubt by showing a strong evidence against the validity of the EMH. In addition, numerous research studies used a predetermined sample-period to investigate the EMH while ignored the fact that the levels of market efficiency may change/evolve over time. Thus, testing efficiency in previous studies is confined to investigate whether the returns generating process of an asset is stochastic (market efficiency) or deterministic (market inefficiency). In this regard Lo (2004) tries to reconcile both the varying degree of market efficiency and EMH through Adaptive Market Hypothesis (AMH). This theory facilitates the efficiency of capital markets to evolve over time and allows market inefficiencies to co-exist along with market efficiency (EMH). The thesis aims to examine the behavior of stock returns and calendar effects through AMH to identify whether AMH delivers a better depiction of behavior stock return and calendar anomalies than traditional EMH. For the purpose 107 listed companies from Pakistan Stock Exchange (PSX) are selected over the period from 1996 to 2015 to contribute to limited literature available on emerging markets. Similar to the studies of (Urquhart, 2013; Urquhart & Hudson, 2013), five different types of behavior are studied. The data set is divided into 4 equal 5-yearly-subsamples to detect the evolution of market efficiency (through linear & non-linear tests) and calendar effects (through GARCH model & Kruskal-Wallis test). The simultaneous utilization of linear and non-linear methods would probably improve the prediction of market participants. The results of linear & nonlinear tests reveal that firms exhibit significant predictability of returns during certain sub-samples while insignificant in others indicating that returns go under periods of market efficiency and inefficiency thus, consistent with AMH. Similarly, the results of GARCH (1,1) and Kruskal-Wallis test show that behavior of calendar effects fluctuates and goes under periods of predictability and no predictability . Overall, results of study suggest that AMH well elucidates the behavior of stock return and calendar effects than conventional EMH. The findings of the study may helpful to investors to assess the time varying volatility to manage their portfolios, investment decisions and trading strategies at (PSX).