These slides summarize a paper on opportunism by corporate insiders. We show that opportunistic insiders can be identified through the profitability of their trades prior to quarterly earnings announcements (QEAs), and that opportunistic trading is associated with various kinds of...

Motivated by a large literature on how firm-specific resources (such as leadership and management skills, strategies, organizational capabilities and intellectual properties) drive firm performance, we propose and find that heterogeneity in investor optimism regarding firm-specific attributes...

The purpose of this study is to investigate if the transparency and disclosure level of a sample of Istanbul Stock Exchange firms is enhanced by the promulgation of a set of local Corporate Governance (CG) Principles and by the voluntary adoption of the International Financial Reporting...

We examine whether a firm's composition of its institutional ownership affects its likelihood of disclosing material weaknesses in its internal control system under SOX 302 and 404 and, hence, its post-disclosure firm performance. The findings indicate that dedicated institutional investors...

Ascertaining which enforcement mechanisms work to protect investors has been both a focus of recent work in academic finance and an issue for policy-making at international development agencies. According to recent academic work, private enforcement of investor protection via both disclosure and...

This paper studies short- and long-run effects of disclosure of compliance with the German Corporate Governance Code. First, we present an analysis of firms' compliance with the Code. Second, event study results suggest that aggregate market and firm values are unaffected, although there was...

Using a sample of all top management who were indicted for illegal insider trading in the United States for trades during the period 1989-2002, we explore the economic rationality of this white-collar crime. If this crime is an economically rational activity in the sense of Becker (1968), where...

This paper examines investment strategies of Sovereign Wealth Funds (SWFs), their effect on target firm valuation, and how both of these are related to SWF transparency. We find that SWFs prefer large and poorly performing firms facing financial difficulties. Their investments have a positive...

In this paper we examine how board structure affects the informativeness of board members by comparing the returns earned by officers and independent directors from purchasing the firm's shares. We investigate whether an exogenous shock to the board structuremdash;the 2002 Sarbanes-Oxley Act and...