With a large number of US firms, obtaining the ISO 9000 quality certification, this article attempts to investigate the impact of the certification on operating and financial performance. Our results indicate the benefits of the certification may be limited and may depend on the time period in...

Public firms that seek and successfully receive ertification of quality management, type ISO 9000, seem to experience different post-announcement share-price drifts depending on their size. This result is not consistent with the notion that companies seeking to implement a quality management...

This article investigates the risk-return relations of stocks traded in frontier markets, a class of small, illiquid, less accessible and less known emerging markets that has escaped the attention of many researchers. We examine the cross-section of risk premiums of 360 stocks traded in 19...

This paper examines the relationships between market risk premiums, time-varying variance and covariance in forty-eight emerging, and seven developed capital markets. We allow each market’s risk premium generating process to be state-dependent by accounting for negative and positive market...