The study aims to examine the reaction of stock investors in food and beverage sub-sector announcement COVID-19 on Indonesia Stock Exchange (IDX) Turkish Istanbul (BIST). approach method is an Event Study by comparing return volume trading activity before after Indonesian Exchanges. research sample 32 IDX stocks 27 BIST stocks. Observation period 13 weeks announcement. distribution data basis f...

This paper documents the tendency of mutual fund managers to follow analyst recommendation revisions when they trade stocks, and the impact of analyst revisioninduced mutual fund “herds” on stock prices. We find that mutual fund herds follow consensus revisions in analyst recommendations, controlling for common investment signals that affect both analyst revisions and mutual fund trading. Conse...

We have introduced an early warning system for volatility regimes regarding Tehran Stock Exchange using Markov Switching GARCH approach. We have examined whether Tehran Stock Market has calmed down or more specifically, whether the surge in volatility during 2007-2010 global financial crises still affects stock return volatility in Iran.  Doing so, we have used a regime switching GARCH model.  ...

Nowadays, business groups play an outstanding role in financial markets. Corporates in the trading groups are able to use technology, capital, human resources, productions and services of other members in the group in addition to their own resources and capabilities. Thus, this paper studies the effect of business group affiliation on cash holdings and return on equity. The sample involves 94 c...

This paper presents a consumptiun-ba,setl model that explains Ihe equity premitim puzzle through two channels, Hirst, because of borrowing constraints, the sharehokler cannt)t completely diversify his income risk ami requires a sizable risk premium on .stocks. Second, because of limited stock market participation, the precautionary saving demand lowers the risk-free rate but not stock reiurn an...

today, a way of gaining constant and dynamic development is reforming of the ownerships structure, from governmental ownership to privatization ownership. so this policy in many countries, especially in developing countries, as a strategic policy has been used. compilation and performing principle 44, s policies of iran islamic republic law constitution which parliament has confirmed. one of th...

We use high-frequency data of 1364 Chinese A-share stocks traded on the Shanghai Stock Exchange and Shenzhen Stock Exchange to investigate the intraday patterns in the bid-ask spreads. The daily periodicity in the spread time series is confirmed by Lomb analysis and the intraday bid-ask spreads are found to exhibit L-shaped pattern with idiosyncratic fine structure. The intraday spread of indiv...

In this paper, a Takagi–Sugeno–Kang (TSK) type Fuzzy Rule Based System is developed for stock price prediction. The TSK fuzzy model applies the technical index as the input variables and the consequent part is a linear combination of the input variables. The fuzzy rule based model is tested on the Taiwan Electronic Shares from the Taiwan Stock Exchange (TSE). Through the intensive experimental ...