This paper investigates the effect of product differentiation on the real and financial decisions of a publicly-owned firm, competing <InlineEquation ID="IEq1"> <EquationSource Format="TEX">$$\grave{a}$$</EquationSource> </InlineEquation> la Cournot with another privately-owned firm. The results show that the degree of product differentiation affects the stock price coefficients...</equationsource></inlineequation>

The paper develops a methodology for estimating the intra-day probability of informed trading for NYSE stocks, implied by the specialist’s quotes and depths. The time series pattern of our measure (PROBINF) in an intra-day analysis around earnings announcements is consistent with previous...

Roll (J Financ 43:541–566, <CitationRef CitationID="CR42">1988</CitationRef>) argues that firm-specific stock return volatility may result either from informed trading or from noise trading that is unrelated to information. In this paper we provide evidence that insider purchases are inversely related to the idiosyncratic volatility of...</citationref>

We consider an equilibrium model à la Kyle–Back for a defaultable claim issued by a given firm. In such a market the insider observes continuously in time the value of the firm, which is unobservable by the market makers. Using the construction in Campi et al. (<ExternalRef>...</refsource></externalref>

We examine insider trading around open-market share repurchases and find that insiders trade passively in 3 months prior to repurchase announcements and in up to 12 months following the announcements. Furthermore, both pre-announcement and post-announcement abnormal insider trading is...

An asset is considered whose logarithmic price is the sum of a drift term, a Brownian motion and jumps of a Poisson process. Various items of future information about the price process are considered available to an informed agent. The optimal attainable wealths of both informed and uninformed...

Open market share repurchases are strictly regulated to prevent companies from profiting from insider information. We examine compliance with these rules in France, where the mandatory disclosure of share repurchases provides detailed information on repurchases actually undertaken. Using a...

In a large sample of shareholder initiated class action lawsuits from 1996 to 2011, we find a significant increase in informed insider option exercises during the class action period compared to the preceding quarter, and we find that this change is positively related to the probability of...

This paper examines the link between capital market governance (CMG) and several key measures of market performance. Using detailed data from individual stock exchanges, we develop a composite CMG index that captures three dimensions of security laws: the degree of earnings opacity, the...

The objective of this study is to examine whether published investment advice generates higher returns for investors. We investigate the impact of security recommendations in the financial press on common stock prices in Istanbul Stock Exchange. Recommendations of Investor Ali column of the...