We study auditors' client risk management in the first year of SOX 404 implementation, and find that there exists a pecking order among auditors' strategies to manage control risk resulting from internal control weaknesses. We first examine the relations between internal control weaknesses and...

Under Section 302 of the Sarbanes Oxley Act, officers must evaluate the effectiveness of internal controls quarterly. We examine the stock price reaction to management's disclosure of internal control weaknesses and to their characteristics, controlling for other material announcements are made...

We examine the stock price reaction to management's disclosure of internal control weaknesses under sect;302 of the Sarbanes Oxley Act and to the characteristics of these weaknesses, controlling for other material announcements in the event window. We find that some characteristics of the...

Mounting evidence from the literature points to the existence of covariance asymmetry for financial assets. That is, conditional volatility and correlation of financial returns tend to rise more after negative return shocks than after positive ones of the same size. This paper extends the...

We tests two important implications for Real Estate Investment Trust (REIT) market efficiency from the adaptive markets hypothesis (Lo, 2004): first, market efficiency is not an all-or-none condition but is a characteristic that varies continuously over time; second, market efficiency is...

In 1957 Chicago enacted a Comprehensive Amendment to the Chicago Zoning Ordiance of 1923. In contrast to the hierarchical zoning of the 1923 ordinance, the 1957 ordinance made each zoning category exclusive and mandated the removal of non-conforming uses. This study examines land parcels at the...

This paper studies the issue of modeling conditional covariance for a mixed-asset portfolio consisting of stock, bond, and REITs. We examine the performances of six commonly used covariance estimators. We find that no single estimator delivers the best performance when a wide range of...