We examine differences in motives, firm characteristics, market performance, andsubsequent operatingperformance offirms that repurchase shares frequently versus firms that repurchase only occasionally or infrequently. Frequent repurchasers are much larger, have significantly less variation in operating income, and higher dividend payout ratios. Infrequent repurchases are made by smaller firms with more volatile operating income, lower institutional ownership, lower market-to-book ratios and high degrees of asymmetric information. Although most repurchases are viewed favorably by the market, infrequent repurchases receive a much strongerpositive reaction. Finally, we find little evidence of improved operatingperformance following repurchase announcements. In both the academic and practitioner literature, share repurchases are viewed as relatively isolated events. It is considered to be a relatively rare set of circumstances that result in a firm repurchasing its own equity. However, in recent years it has become common for a firm to repurchase its shares on the open market on a frequent or regular basis. The reasons or motives for repurchasing shares on a frequent basis may differ from reasons to repurchase shares only occasionally or infrequently. In this paper, we examine the differences in the motives and firm characteristics for firms that repurchase frequently compared to firms that repurchase only occasionally or infrequently. Signaling or undervaluation is the motive most commonly attributed to share repurchases. Researchers view a firm's announcement of its willingness to invest in itself as a signal that the stock is undervalued. However, it is unlikely that a firm could credibly signal that its stock is undervalued on a regular basis. Therefore, there must be alternative reasons or motives for firms to frequently repurchase their stock. We use this idea to provide a distinction between differing motives for repurchases based on repurchase frequency. We find that less-frequent repurchases tend to be larger programs, that is, these firms seek to repurchase a greater percentage of their shares outstanding, than do the more frequent repurchasers. The firms that repurchase most frequently are generally larger, have higher institutional ownership, higher market-to-book ratios, more stock options, lower debt ratios, lower managerial ownership, and lower volatility of operating income. Infrequent repurchases tend to be initiated by firms with a potentially high degree of asymmetric information and preceded by relatively poor market performance. Infrequent repurchases are made by smaller firms with higher variability of operating income, higher levels of capital expenditures, lower market-to-book ratios, and lower levels of institutional ownership. Market reactions to the repurchase announcements are generally consistent with these ideas. Previous research reports abnormal returns of 2% to 3% around the announcement of openWe would like to thank Chris Anderson, Srini Krishnamurthy, Roni Michaely, Mike Weisbach, James Seward (the Editor), a particularly helpful anonymous referee, and also seminar participants at Binghamton, Case Western Reserve, Kansas, Missouri, Texas Tech, and Texas A&M for their helpful comments and suggestions. All remaining errors are ours.
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