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Analyst responsiveness and the post-earnings-announcement drift

Journal of Accounting and Economics 2008 46(1), 201-215
This study examines the responsiveness of analyst forecasts to current earnings announcements. The results show considerable cross-sectional variation in analyst responsiveness and suggest that this variation is related to the costs and benefits associated with prompt forecast revisions. More importantly, this study finds that with responsive forecast revisions, more of the market reaction takes place in the event window and less in the drift window, suggesting that analyst responsiveness mitigates the post-earnings-announcement drift and facilitates market efficiency.

The Economic Consequences of Financial Restatements: Evidence from the Market for Corporate Control

The Accounting Review 2015 90(1), 1-29
This paper investigates whether and how financial restatements affect the market for corporate control. We show that firms that recently filed financial restatements are significantly less likely to become takeover targets than a propensity score matched sample of non-restating firms. For those restating firms that do receive takeover bids, the bids are more likely to be withdrawn or take longer to complete than those made to non-restating firms. Finally, there is some evidence that deal value multiples are significantly lower for restating targets than for non-restating targets. Our analyses suggest that the information risk associated with restating firms is the main driver of these results. Overall, this study finds that financial restatements have profound consequences for the allocation of economic resources in the market for corporate control. JEL Classifications: D82; G14; G34; M41. Data Availability: Data are available from sources identified in the paper.

Technology Training, Buyer-Supplier Relationship, and Quality Upgrading in an Agricultural Supply Chain

The Review of Economics and Statistics 2025 107(3), 711-727
This paper examines the impacts of technology training and buyer-supplier relationship on technology adoption and quality upgrading. We randomly varied subjects of each training group across farmer-exporter clusters—farmers, exporters, both, or none—and provided training on Good Agricultural Practices (GAP). We find that training farmers enhances technology adoption and quality upgrading. Yet, the effects are much stronger when farmers and exporters are trained together. We document a plausible mechanism to explain this finding: joint training improves buyer-supplier relationship, which facilitates contract trade between farmers and exporters. We find no effect of GAP certification eligibility on technology adoption.

Does investment efficiency improve after the disclosure of material weaknesses in internal control over financial reporting?

Journal of Accounting and Economics 2013 56(1), 1-18
We provide more direct evidence on the causal relation between the quality of financial reporting and investment efficiency. We examine the investment behavior of a sample of firms that disclosed internal control weaknesses under the Sarbanes-Oxley Act. We find that prior to the disclosure, these firms under-invest (over-invest) when they are financially constrained (unconstrained). More importantly, we find that after the disclosure, these firms’ investment efficiency improves significantly.

Option Prices Leading Equity Prices: Do Option Traders Have an Information Advantage?

Journal of Accounting Research 2012 50(2), 401-432
Recent evidence shows that option volatility skews and volatility spreads between call and put options predict equity returns. This study investigates whether such predictive ability is driven by option traders’ information advantage. We examine the predictive ability of volatility skews and volatility spreads around significant information events including earnings announcements, other firm‐specific information events, and events that trigger significant market reactions. Consistent with option traders having an information advantage relative to equity traders before information events, we find that the option measures immediately before these events have higher predictive ability for short‐term event returns than they do in a more dated window or before a randomly selected pseudo‐event. We also find that option measures have predictive ability after information events. However, this predictive ability holds only for unscheduled corporate announcements, which suggests that, relative to equity traders, option traders have superior ability to process less anticipated information.

Cover Me: Managers' Responses to Changes in Analyst Coverage in the Post-Regulation FD Period

The Accounting Review 2011 86(6), 1851-1885
We show that managers increase the volume of public financial guidance in response to decreases in analyst coverage of their firms, particularly to decreases that are driven by exogenous reduction in brokerage firm size. Managers do not respond to increases in analyst coverage. The managerial guidance response to decreases in coverage reflects the trade-off between the marginal benefits from analyst coverage and the marginal costs of providing guidance. Specifically, the response is concentrated within firms engaging in equity issuance activities, firms with low stock liquidity, and firms with low current guidance levels. The response is also concentrated within firms whose remaining analyst pool is smaller in number and/or has a lower percentage of analysts who are positive about the firm or who belong to a large brokerage house. Overall, our results shed insights on the interaction between managers and analysts and on how the value of analysts, as perceived by managers, varies in the cross-section with underlying firm and analyst characteristics. Data Availability: All data used in this study are publicly available from sources identified in the text.

Blurred stars: Mutual fund ratings in the shadow of conflicts of interest

Journal of Banking & Finance 2015 60, 284-295
Using unique data on trading commission payments to mutual fund rating companies (MFRCs) by mutual funds in China, this paper investigates whether the conflicts of interest arising from trading commission payments bias MFRCs’ mutual fund star ratings and hence affect their informativeness. We find the rating of a mutual fund is more optimistic when the MFRC either (i) receives trading commission fees from the mutual fund or (ii) can potentially receive fees in the future. The paper further shows that the usefulness of ratings in terms of predicting a fund’s future performance is negatively impacted by conflicts of interest. There is also evidence that investors can see through the problem, responding less enthusiastically (in terms of fund flows) to the ratings of conflicted MFRCs. We further find that the introduction of a rating qualification system that aims to improve mutual fund rating quality exacerbates the rating bias.