China has taken important steps to reform its economy and capital markets in the past 20 years. Despite these efforts there is a lack of quantitative evidence on how these measures have impacted price returns in the stock exchanges. The purpose of this research was to determine the randomness of...

The Alchemy of Finance, a book written by George Soros (1987) on the workings of financial markets, 'has found a place in the reading lists of business schools as distinct from economics departments', according to the author (2003, 4). His theory of reflexivity, which is at the center of the...

The purpose of this article is to examine the impact of analysts' recommendation downgrades, upgrades, and reiterations on German stock returns and as to whether prof- itable investment strategies could potentially be designed around these recommendations. The paper provides a unique detailed...

The current crisis is like an earthquake for the theoretical foundations of economic policies, which have guided governments and central banks for the last few decades. The efficient market hypothesis and its application to labor markets –“natural rate theory”- dominated interpretations of...

This paper investigates the behavior of Kuala Lumpur Stock Exchange Composite Index (KLCI) for the period from 1980:1 to 2008:8 using a two-regime threshold autoregressive (TAR) model with an autoregressive unit root developed by Caner and Hansen [Threshold autoregression with a unit roots,...

This study applies a threshold autoregressive (TAR) model to monthly stock prices for three South Asian countries over the period from 1991:01 to 2009:09. Two main conclusions are drawn. Firstly, the results indicate that all the stock prices in this study exhibit non-linear behavior. Secondly,...

This paper investigates the reaction of investors to the arrival of major political and economical news in Borsa Istanbul from October 2004 to September 2011. While the empirical results of the paper cannot support the prediction of Overreaction Hypothesis, they are consistent with the Uncertain...

Forecasting in a risky situation is a very important function for managers to assist in decision making. One of the fluctuated markets in stock exchange market is chemical market. In this research the target item for prediction is PET (Poly Ethylene Terephthalate) which is the raw material for...

Nowadays, a central theme in the finance and economic theory is market efficiency. After several decades of research, economists have not yet reached a consensus about the existence of efficient financial markets in terms of information. In the problematized approaches regarding the treated...

Nowadays, forecasting what will happen in economic environments plays a crucial role. We showed that in PET market how a neuro-fuzzy hybrid model can assist the managers in decision-making. In this research, the target is to forecast the same item through another intelligent tool which obeys the...