چکیده:
One of the basic assumptions of management accounting indicates that changes in costs are
related to increase and decrease of activity level, this inappropriate behavior of costs is
known Costs Stickiness. The aim of this study is to examine the Costs Stickiness in the
Tehran Stock Exchange, also the relationship between general and administrative Costs
Stickiness and corporate governance for listed companies in Tehran Stock Exchange during
the years 2006-2015 will be studied and analyzed. Finally, to test hypotheses and also
additional tests, the regression model independent of SPSS software was used and
descriptive and inferential statistics such as correlation analysis were analyzed. According to
the results, it can be said that strong corporate governance has positive impact to reduce the
Stickiness of the general administrative costs and sales
خلاصه ماشینی:
Hence, investment markets must possess required efficiency to attract investors, obtain financial resources, and as a result be able to optimize turnovers by allocating the resources in the most proper way.
Although short-run volatilities are inevitable and natural, long-run equity prices must be determined based on firms’ logic factors and their disclosed information.
Equity price volatilities and price bubbles may root in investors’ purchasing activities and their short- or long-run investment vision.
Identifying investors and considering their investment visions can impede equity price bubbles and as a result, prevent financial crisis to take place.
This study aims to explore the role of fundamental investors in creation of equity price volatilities for qualified companies in Tehran Stock Exchange market.
In the traditional perspective after emergence of a crisis, speculators are blamed; this is while fundamental analysts can successfully identify bubbles and protect the market from exorbitance volatilities in the face of crises.
Having said these issues and using Martingle’s behavior model, this study assesses the role of traders in creating bubbles or dropping equity prices in efficient markets.
6. Equity Price Volatility In capital markets, profit information is one of the predominant information in decision making of investors, analysts, and other information user groups.
He discussed that equity prices diverged from their own long-run balance path (current value of expected future profits), and therefore Iranian capital market possesses bubbles.
9. Research Hypothesis The main Hypothesis: fundamental traders have a role in creating price bubbles in efficient markets.