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Register a new userAِِ Study of The Pricing Efficiency of Damascus Stock Exchange
دراسة الكفاءة السعرية لسوق دمشق للأوراق المالية
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Damascus University ورقة بحثية
Publication date
2012
fields
Economy
and research's language is
العربية
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Shamra Editor
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هدفت هذه الدراسة إلى اختبار الكفاءة السعرية التي اقترحها فاما عام 1976 م في سوق دمشق للأوراق المالية عند المستوى الضعيف؛ و ذلك لأنه إذا لم يجرِ إثبات دليل يدعم المستوى الضعيف من الكفاءة فليس من الضروري اختبار الكفاءة على المستوى الأوسع سواء شبه القوي أو القوي. و قد استُخدِم اختبارا الارتباط المتسلسل و جذر الوحدة بالاعتماد على اختبار أكيمنتد ديكي فولر المطور و المقترح من قبل ( Engle and Granger ( 1987, لاختبار كفاءة سوق دمشق للأوراق المالية . شملت عينة الدراسة قيم مؤشر سوق دمشق للأوراق المالية من كانون الثاني 2010 حتى حزيران 2011 . و من أهم النتائج التي تم التوصل إليها في هذه الدراسة أن تحركات أسعار الأسهم غير عشوائية، و من ثم فأنه يمكننا القول: إن سوق دمشق للأوراق المالية غير كفء عند المستوى الضعيف.
This paper aims to test the pricing efficiency, suggested by Fama (1976), at Damascus Stock exchange at its lowest level because the absence of any evidence to support the lowest level of efficiency will automatically means that the stock exchange will not be efficient on the semi-strong and strong forms of efficiency. Two tests are applied to test Damascus Stock exchange efficiency; The autocorrelation test and Augmented Dickey-Fuller test suggested by Engle and Granger (1987). The study sample covers the period from January 2010 to June 2011. The paper finds that stock prices movements are not stationary and hence suggests that Damascus Stock exchange is not efficient according to the weakform of market efficiency.
References used
Blasco, N., Del Rio,C. and Rafael, S. (1997). The Random Walk Hypothesis in the Spanish Stock Market. Journal of Business Finance and Accounting, 24(5), pp:667- 683
حردان، طاهر. ( 1997 ). مبادئ الاستثمار. دار المستقبل للنشر و التوزيع.
حماد، طارق. ( 2000 ). دليل المستثمر إلى بورصة الأوراق المالية. الدار الجامعية، للطباعة والنشر والتوزيع.
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This study sought to investigate the effect of price limits on the
volatility of stock returns on the Damascus Stock Exchange. Where
the study period divided into two periods the first test period
3/3/2009 and until 23/6/2011, the second test period 13/2/2011 until
30/3/2017. Using the model (1,1) GARCH.
This study aimed to test the effect of fluctuations in the exchange rates of the Syrian pound on the values of the shares of the 22 joint stock companies listed in the Damascus Securities Exchange. The four main currencies that make up the basket of
currencies were chosen, namely the US dollar, the euro, the British pound and the Japanese yen, through which the exchange rate of the Syrian pound against the rest of the currencies is determined.
The research examines the Capital Asset Pricing Model
(CAPM) in Damascus Stock Exchange (DSE), by using the
monthly excess returns of (8) companies listed in (DSE), for the
period of (2010-2013), and the monthly excess return of (DSE)
index (DWX)
for the same period.
The researcher concluded that there is a significant relation
between the volatility of the market excess return and the volatility of the excess returns of stocks of the examined companies, But the researcher also concluded that (CAPM) is not valid in (DSE), because of the failure in the statistical test. That the constant of the regression equation is not equal to zero and the slope of the security market line is not equal to the average excess return of the stocks of examined companies.
The researcher recommended that this study should be retested
when there are a suitable number of listed companies in order to
form portfolios that can diversify away the effect of the unsystematic risk of each company, and to retest the CAPM after
the crises, because the average excess returns for all of the
examined companies were negative. Finally, the researcher
recommended trying other models of asset pricing such as
Arbitrage Pricing Theory (APT), and (Fama) Multifactor Model.
This study aims at investigating the impact of the expansion of price
limits on the volatility of Damascus Securities Exchange, by
comparing the fluctuations of the market under three different price
limits systems, since the opening of the market
until the end of 2014.
Results of the study showed that the price limits expanding in the
Damascus Securities Exchange leads to an increase in the volatility of
stock returns. Consequently, setting narrower price limits will reduce
the volatility, and this confirms the effectiveness of the system of price
limits in reducing the volatility of Damascus Securities Exchange.
The stock markets are considered the essential motives of the economic growth in any country because of its importance in transforming negative savings (compactness) to a positive savings which benefit both the local economy and the capital's owner;
it has also the ability to obligate who has some money surplus (chunky) by turning it from its rigid or stagnated state to the investment market. The researcher based on the essential hypothesis of efficiency and effectiveness of Damascus stock market in attracting investment; using the descriptive analytical method to collect data, and a questionnaire as a tool for measurement, where distributed to a group of workers in financial brokerage companies, a group of workers in the financial institutions and a group of investors within the Syrian Stock market, in order to see their opinions to check the research hypotheses and look to the future situation.
Among the most important results, Damascus stock market is contributing in the attraction of investment by attracting the foreign and Arabic capitals, the compilation of sterile national savings, and thus increase the market liquidity and leads to provide liquidity to investors, which make them able to create new projects or expand the existing ones.
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