Using data from the EDGAR era, we find a significant market reaction surrounding quarterly periodic reports only when their filing coincides with the first public disclosure of earnings, although that for 10-K reports is not subsumed by earnings releases. However, after eliminating incidence of...

Extant research on voluntary disclosure about future prospects has focused on two forward-looking disclosure mechanisms: management forecasts and conference calls. This study examines the accelerated filing of material contracts as another type of future-related disclosure that involves no...

A method for Monte Carlo simulation of 2D spin-polarized electron transport in III–V semiconductor heterojunction (FETs) is presented. In the simulation, the dynamics of the electrons in coordinate and momentum space is treated semiclassically. The density matrix description of the spin is...

On the basis of the analysis of main problems existing in current agricultural meteorological service in China, for the purpose of exploring a solution to the “last kilometer†problem in rural meteorological service, this article designed four short message service products with the...

We study the liquidity, defined as the size of the trading volume, in a situation where an infinite number of agents with heterogeneous beliefs reach a trade-off between the cost of a precise estimation (variable depending on the agent) and the expected wealth from trading. The "true" asset...

We study the liquidity, de ned as the size of the trading volume, in a situation where an in nite number of agents with heterogeneous beliefs reach a trade-o between the cost of a precise estimation (variable depending on the agent) and the expected wealth from trading. The \true" asset price is...

We study in this work the liquidity, defined as the size of the trading volume, in a situation when an infinite number of agents with het- erogeneous beliefs reach a trade-off between cost of a precise estimation (variable depending on the agent) and expected profit from trading at the resulting...