There is increasing attention on information transfers along supply chain partners for firm (extreme) events. This growing literature finds spillover effects following certain types of firm events. Using data from credit rating actions of Chineselisted firms over the period between March 2007 and May 2020, we examine the spillover effects of supply chains by focusing on the market reactions of event firms to the action announcements. We find strong evidence of spillover effects driven by the market reactions of event firms, which are enhanced through information diffusion channels as supply chain partners receive more investor attention. Moreover, the effects are stronger when event firms’ market reactions are negative, event firms are nonstated-owned, the industry concentration of event firms is higher, or the suppliercustomer business relationship is closer. Overall, these findings highlight the role of investor attention in addition to network characteristics in supply chain spillovers.

We provide the first direct evidence on how issuers choose a credit rating agency (CRA). Using rating data from a leading CRA in China, we find that although in most cases the issuers publish more favourable ratings, in some cases issuers just select the ratings provided by CRAs they have business relationships with, especially when the more favourable ratings are above issuers’ prior ratings. Our further analysis suggests that this phenomenon is driven by the switching cost arising from the issuer being considered as a rating shopper when it obtains an upgrade from a CRA without a business relationship.

The purpose of this paper is to investigate the certification and monitoring roles played by underwriters in IPO earnings management. Prior studies show that IPO issuers have incentives to employ opportunistic earnings management to enhance initial firm values. However, the certification role of underwriters has been largely overlooked. We argue that there is a negative relation between underwriter reputation and IPO earnings management. Moreover, we think that underwriters have strong incentives to continue providing monitoring to the firms they take public due to the lucrative business relationships. We thus hypothesize that there is a positive relation between underwriter reputation and post-IPO firm operating performance. Using a sample of 367 IPOs, we obtain results consistent with our hypotheses. We find that IPOs underwritten by lower-reputation underwriters have more initial discretionary accruals and higher initial firm values, indicating there is a significantly negative relation between IPO earnings management and underwriter reputation. We also find that the post-IPO operating performance of IPOs is significantly and positively related to underwriter reputation. For the robustness test, we consider the possibility that IPO earnings management and the choice of underwriters are endogenously determined. An instrumental variable two-stage least squares regression and a weighted least squares regression confirm the robustness of our results.