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-family firms, especially when conveying bad news. This is consistent with their being more timely in offering corrections to analysts' estimates. More importantly, we find some evidence of a stronger and quicker response by analysts (as measured by the number of subsequent earnings estimate revisions and the speed with which they occur) to the guidance issued by family firms, and strong evidence of a significantly greater investor response (as measured by announcement-period abnormal stock returns) to the guidance issued by family firms. These findings, taken together, indicate that guidance is more informative and more useful to the market when it is issued by a family firm. They are also consistent with family firms using guidance to create a more transparent information environment, which therefore, complements the finding of higher quality financial reporting by family firms in Ali et al (2007) and Wang (2006).

Consistent with our expectations, we find little evidence of differences in the characteristics of preannouncements issued by family and non-family firms, although there is some (weak) evidence of family-firm preannouncements being more specific when they contain bad news.[4] Also consistent with our expectations, we find no evidence of a differential stock price response to preannouncements made by family and non-family firms, although we do find that analysts response more strongly to family-firm preannouncements, especially when they contain bad news. These results, when considered with the guidance results discussed above, suggest that family firms produce higher quality earnings forecasts than non-family firms, particularly when they are offered as guidance or contain bad news, and that their guidance is more informative and useful to investors and analysts. Thus, our paper provides evidence of family firms using management-generated earnings forecasts to create a more transparent information environment.

Our paper contributes to two bodies of research: the growing literature on disclosures by family firms, as noted before, and the established literature on management forecasts. While our paper is most closely related to Ali et al. (2007), Chen et al. (2007) and Wang (2006), who examine the mandatory financial disclosures of family firms and the frequency of their voluntary disclosures, we also complement Anderson et al.'s (2006) analysis of other dimensions of disclosure transparency. Anderson et al. (2006) find that family firms are significantly more opaque than non-family firms as measured by a summary statistic that captures the effects of trading volume, the bid-ask spread, analyst following and analyst forecast errors. Taken together, the evidence in Anderson et al. (2006) and our paper suggest that certain types of transparent disclosures appear to be better suited than others to mitigating the agency problem that arises between controlling and non-controlling owners.

The literature on management forecasts is more mature and, as a result, guides much of the structure for our analysis. Consequently, we follow prior work by Ajinkya and Gift (1984), Baginski and Hassell (1990, 1997), Bamber and Cheon (1998), Baginski et al. (2002, 2004), Ajinkya et al. (2005) and others, in designing our tests. In a recent paper, Hirst et al. (2007) prov本论文由英语论文网提供整理，提供论文代写，英语论文代写，代写论文，代写英语论文，代写留学生论文，代写英文论文，留学生论文代写相关核心关键词搜索。