It is a well accepted fact that stock returns data are often contaminated by market microstructure effects, such as bid-ask spreads, liquidity ratios, turnover, and asymmetric information. This is particularly relevant when dealing with high frequency data, which are often used to compute model...

It is a well accepted fact that stock returns data are often characterized by market microstructure effects, such as bid-ask spreads, liquidity ratios, turnover and asymmetric information. This is particularly relevant when dealing with high frequency data, which are often used to compute model...

In this paper, we investigate banking sector integration in the Gulf Cooperation Council during the period 1998–2009. The integration inference was derived by testing the convergence of cost efficiency scores. These efficiencies were measured using a smoothed bootstrap procedure that ensures...

The paper investigates returns and returns volatility spillovers from the U.S. and the Saudi market to equity markets in the Gulf Cooperation Council countries. A clear jump in net transmissions from both markets was spotted during the financial crisis in 2008. This new pattern of information...