This paper examines the dynamics of stock prices in Ukraine by estimating the degree of persistence of the PFTS stock market index. Using long memory techniques we show that the log prices series is I(d) with d slightly above 1, implying that returns are characterised by a small degree of long...

Purpose – The paper aims to find the functional relationship among 14 shampoo brands' price, quality, marketing expense and sales in the Chinese shampoo industry. Also studied is which one, among these factors, is the more important. Design/methodology/approach – By using data envelopment...

Purpose This paper investigates the efficiency of the futures market for Brazilian live cattle to predict prices in the spot market of Argentinian steers. The lack of derivatives related to the beef market in the futures exchange in Argentina was the main factor behind the decision to analyse...

It is well documented that firms that are neglected by analysts and large institutions provide superior investment performance. This paper studies whether that effect is caused by an upward bias in analyst earnings forecasts. The idea is that the more popular firms are the ones with the greatest...

Purpose – The purpose of this paper is to assess the presence of the momentum effect on the Stock Exchange of Mauritius (SEM) and its implications for investors. Design/methodology/approach – Data for stock trading activities of all listed companies on the SEM from 2001 through 2009 were...

We analyze bidding behavior in large discriminatory price auctions where the number of objects is a non-trivial proportion of the number of bidders. Bidders observe private signals that are affiliated with the common value. We show that the average price in the auction is biased downward from...

The Efficient Market Hypothesis (EMH) is one of the most investigated questions in Finance. Nevertheless, it is still a puzzle, despite the enormous amount of research it has provoked. For instance, it is still discussed that market cannot be outperformed in the long run (Detry and Gregoire,...

The Efficient Market Hypothesis (EMH) states that the current market price fully reflects all available information. The weak form of the EMH considers only past price data and rules out predictions based on the price data only. The prices follow a random walk, where successive changes have zero...

The discovery of the dynamics of a time series requires construction of the transition density, 1-point densities and scaling exponents provide no knowledge of the dynamics. Time series require some sort of statistical regularity, otherwise there is no basis for analysis. We state the possible...