Purpose The purpose of this study is to compare two theories that relate the proportion of diversified firms in the economy and the implied discount for diversified firms: the first is a real-options model predicting a positive relationship between the discount and management’s choice to operate a diversified firm; the second is based on catering theory, in which a negative relationship is predicted, as management is attentive to investor preference concerning diversified firms. Design/methodology/approach This study proposes a new aggregate measure of the diversification discount. The authors’ measure allows for decomposition of the discount into firm-level mispricing, industry-level mispricing and long-run fundamental value components. Findings Results support a catering theory of diversification. The discount appears to be the result of firm-level mispricing. Thus, providing an explanation for why, in light of the observed discount, a large number of diversified firms persist. Originality/value To the authors’ knowledge, this is the first study to provide evidence that firm-level mispricing may drive the observed diversification discount.

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PurposeConsistent with an “absolute bonding hypothesis,” the benefits of listing on US exchanges experienced by cross-listed firms are accompanied by an increased risk of experiencing a spillover effect due to negative news within their industry. The purpose of this study is to test this form of the bonding hypothesis by analyzing the spillover effect to cross-listed firms when class action lawsuits are filed against their industry peers.Design/methodology/approachThe bonding hypothesis is tested by analyzing the spillover effect to non-sued cross-listed firms of class action lawsuits brought against US domestic firms in the same industry. The spillover effect is identified using cumulative abnormal returns around lawsuit filing dates from 1996 to 2020. A sample of matched non-sued cross-listed and domestic peer firms is evaluated in a cross-sectional analysis to identify country and firm-level characteristics that mitigate the negative spillover effect to cross-listed firms.FindingsWhile US firms realize significantly negative abnormal returns when class action suits are filed against their industry peers, the impact to cross-listed peers is statistically insignificant. In multivariate analyses, we show that the ability of cross-listed firms to avoid this negative spillover effect is stronger for firms with greater profitability that are headquartered in countries with better shareholder protections and governance characteristics.Originality/valueResults suggest that cross-listed firms may have a level of immunization from the negative industry spillover effect of class action lawsuits and, thus, exhibit only “partial bonding” to the US market.

Purpose High short interest is associated with overvaluation, and the purpose of this paper is to find contradictions to the commonly held “overvaluation hypothesis” when merger and acquisition (M&A) targets are examined. This paper extends the work of Ben-David et al. (2015), who confirm high short interest indicates overvaluation when focused on acquiring firms. Design/methodology/approach Short interest is examined as a predictor of acquisition likelihood using longitudinal data for US firms from 2003 to 2013. How short interest impacts the premiums paid by acquiring firms is examined with target, acquirer and deal characteristics. Findings M&A targets have high short interest and short interest increases acquisition likelihood, suggesting undervaluation. Highly shorted firms also experience outsized reductions in share price prior to merger announcements, and the premiums paid are also significantly predicted by short interest levels. Research limitations/implications Short selling activity can be motivated for reasons other than overvaluation, and many short positions can be held for long periods before they are closed, leading to high short interest levels for extended periods. Therefore, investors and researchers are cautioned that high short interest levels may exist in stocks that have already declined in price and could be poised for a reversal. Originality/value This study adds to the growing body of work indicating that short interest might not be the signal of overvaluation most researchers accept it to be.

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