Efficient market models cannot explain the high level of trading in financial markets in terms of asset portfolio adjustment. It is presumed that much of this excessive trading is irrational noise trading. A corollary is that there must either be irrational traders in the market or rational...

The disclosure of information by management to employees varies significantly between workplaces. The effects of this variance on organizational performance are analysed using WERS98 data. The results show that the impact of information disclosure on organizational performance is more complex...