Accurately predicting the trend of stock return rate is a hot research issue. With development artificial intelligence, machine learning, big data and other technologies, it brings new potential to prediction market. In order accurately predict return, this paper mainly constructs time series ARMA model random forest model, uses stacking method fuse models, predicts daily Yangtze River Electric...

This paper incorporates excess volatility in stock prices into a standard general equilibrium model and finds large welfare gains from stabilizing policies. Stock prices in this model aggregate information about fundamentals which is dispersed in the economy but also reflect excess volatility stemming from correlated distortions in beliefs. To solve the model, this paper develops a novel soluti...

This research presents a framework simulation model that can be used to simulate target braking of rail rolling stock, with particular focus on in metro systems. The takes into account various factors might affect stopping accuracy, including errors speed measurement and track sensors' positioning. considered the possibility minimize required equipment for system, its conclusions providing insi...

This study examines the influence of fraud hexagon on likelihood financial statement in Indonesian public companies with stock values below IDR 100 that were listed Indonesia Stock Exchange (IDX) from 2018 to 2020. The population comprises sixty for three consecutive years IDX. objective sampling technique was employed select a sample 48 met research criteria, resulting 144 observations. Data a...

Sometimes it seems that an existing bearer of value should be preserved even though could destroyed and replaced with something equal or greater value. How can this conservative intuition explained justified? This paper distinguishes three answers, which I call existential, attitudinal, object-affecting conservatism. raise some problems for existential attitudinal conservatism, suggest how they...

This study examines the correlation between corporate press releases and stock prices in Dhaka Stock Exchange. The authors collected data used statistical analysis to determine if there was a relationship subsequent movement of prices. results showed that had significant impact on exchange. found positive resulted an increase prices, while negative led decrease Additionally, effect more for sma...