We examine a dynamic disclosure model in which the value of a firm follows a random walk. Every period, with some …

stock market is efficient if the stock returns follow a random walk. The study employs daily closing prices of SENSEX … (Sensitivity Index of BSE of India) for a time period of 01 July 1997- 03 Dec 2014. The existence of random walk for BSE Index has …

empirical researches. The primary purpose of this research has been to find out whether share prices are a random walk process … not a random walk process and are thus weak form inefficient hypothesis. In this study, the concept of the random walk is …

prices. Subjects in our experiment predict both random walk times series, as in the seminal work by Bloomfied and Hales (2002 … measures of predictability. However, as random walk theory predicts, relying on apparent patterns in past data does not improve …

, theoretically a random walk in asset prices, under certain conditions, could be associated with profoundly inefficient markets …

Inflation Expectations survey perform relative to the random-walk forecast when it comes to predicting five financial variables …. Using data from 2001 to 2022, our results indicate that the analysts are able to significantly outperform the random-walk …-year interest rate swap rate, the random walk significantly outperforms the analysts at both the one-month and one-year forecasting …

greater shock-persistence than a pure random walk. Moreover, linear interpolation makes the series periodically nonstationary …