A MODIFIED METHOD FOR INFERRING THE EFFECTIVE BID-ASK SPREAD FROM SECURITY RETURNS

This paper presents a modified method for inferring the effective bid-ask spread from security returns in an eMicient market. The Modified Method removes from security returns the systematic effect of market movements and makes use of the equivalence properties of the moving average process and serial covariance function. The Modified Method is tested with the CRSP daily, weekly, and monthly returns data. The results show that the spread estimates are non-negative and sample time-interval independent. The results are compared with those of Roll (1984) and Amihud and Mendelson (1986).     

Mapping managers' market orientations regarding new product success

Research shows that managers' cognitive structures influence their decisions and firm outcomes, and that managers' shared understanding is critical to new product success. Yet, little is known about the content and structure of managers' knowledge regarding their business's market orientation (MO) and how such orientation relates to new product development. By drawing from research on managerial cognition, we suggest that an examination of managers' cognitive maps of their business's MO can provide valuable insights. First, cognitive maps provide information regarding the relative ranking of concepts that managers consider important to new product success. Second, they offer insights about the relationship among concepts by illustrating the causal logic flow, centrality, and strength of the association between concepts. Finally, cognitive maps reveal a gestalt or pattern of managers' understandings. This pattern provides an overall view of their perceptions of their firms' MO. Accordingly, the purpose of this article is to begin developing theory to explain the nature and extent of the sharing of managers' understanding of their business's MO across a company within the context of new product development. We develop several theoretical propositions using established research on market orientation and an exploratory investigation of the cognitive maps of a stratified sample of thirty managers of a highly successful frozen food division of a multinational company. We argue that managers of innovative companies with a history of successful new products in moderately dynamic industries will have established market orientations, as reflected in cognitive maps, which emphasize customer orientations more than competitor or technological orientations. Moreover, we suggest that managers will consistently recognize the importance of interfunctional coordination because it influences the firm's orientations towards customers, competitors, and technology by facilitating sharing of important market information necessary for successful new product development. Furthermore, we propose that the division of labor and functional specialization in a company will result in predictable differences across cognitive maps of managers in different functions and levels of the organization. For example, senior managers are likely to have a more balanced and integrated MO than junior managers, due to their knowledge of organization wide issues. The article also proposes an agenda for scholars interested in investigating the relationship between managers' cognitive maps of their company's market orientation and new product success. We note the importance of studying managers' cognitive structures in different types of industries over time, and how managers' cognitive structures may relate to their company's ability to learn. Managers could use cognitive mapping to recognize and evaluate beliefs that inhibit the sharing and interpretation of information between managers, departments, and levels and could design appropriate interventions.     

The impact of network size on bank branch performance

Despite significant technological innovation in retail banking services delivery, the number of US bank branches has grown steadily over time. Further, more and more of these branches are held by banks with large branch networks. This paper assesses the implications of these developments by examining measures of branch performance and asking how these measure vary across institutions with different branch network sizes. Our findings suggest that banks with mid-sized branch networks may be at a competitive disadvantage in branching activities. We find no systematic relationship between branch network size and overall institutional profitability, perhaps because banking organizations optimize the size of their branch network operations as part of an overall strategy involving both branch-based and non-branch-based activities.     

Repurchase Announcements, Lies and False Signals

Prior stock repurchase studies have found evidence that the announcement of a repurchase program sends a positive signal to the market. Firms engaging in open-market repurchase programs do not have to report how, when, and if they actually repurchased any shares. Evidence following the stock market crash of 1987 indicates that many firms announcing repurchase plans did not actually repurchase any share and, by their own admission, had no intention of repurchasing shares. Companies announcing plans and not following through are apparently within the letter of the law. However, we argue that companies announcing plans with no intention of repurchasing shares are guilty of either lying or sending false signals. These companies create distrust in the investment community and intentionally mislead the public in violation of the SEC's antifraud provisions. Changes in the reporting procedures concerning repurchase plans are ethically and legally warranted.     

Are Earnings Forecasts Informed by Proxy Statement Compensation Disclosures?

We investigate the extent to which market participants use compensation payouts released in the DEF 14A proxy statement (DEF14A) to assess future firm performance by examining sell-side analysts' earnings forecasts. Consistent with prior work, we confirm that CEO compensation unexplained by current observable economic factors is positively associated with future firm performance. We find that both the likelihood that analysts revise their forecasts following release of the DEF14A and the magnitude and direction of analysts' forecast revisions are positively associated with unexplained CEO compensation. These associations are stronger after the SEC required additional compensation-related disclosures in late 2006 but lower if the firm has weak corporate governance or more precise other information. Analysts' reactions are not complete, however. Analysts' forecast errors measured months after the DEF14A release are associated with past unexplained compensation, especially in the pre-2006 period and for analysts who do not revise at the DEF14A release. Taken together, our results suggest that compensation payouts released in the DEF14A contain useful forward-looking information that is recognized by at least some sophisticated market participants and that the increased disclosure regulations assisted market participants in incorporating this information.     

What Does it Mean when Mitchell Gets an ‘A’ in Business Ethics? or the Importance of Service Learning

In this essay I show that business needs business school graduates who are capable of ethical business action. Thus, business ethics courses should help students develop the capacities and skills they will need to act ethically at work. Towards this developmental end, I list eight steps business ethicists can take to implement service learning in their courses. I show how service learning in the classroom can be combined with a college honorary program to promote ethical business actions in students.     

Firm Dynamics in Retail Trade: The Response of Canadian Retailers to Exchange Rate Shocks

We use comprehensive firm‐level data to estimate the responses of heterogeneous Canadian retail firms to real exchange rate movements. Our analysis focuses on a period characterized by large fluctuations in the Canadian dollar, providing an opportunity to quantify both intensive and extensive margin responses in retail industries to real exchange rate shocks and to examine how those responses differ across firms, locations, and sub‐industries. Our results indicate that a real Canadian currency appreciation significantly reduces a retailer's sales, employment, and profits. The strength of this negative effect is decreasing in the distance of a retailer from the US‐Canada border. We do not find evidence of a strong relationship between real exchange rate movements and the number of operating firms nor the probability of firm survival. These findings are consistent with the view that a real Canadian dollar appreciation increases cross‐border shopping by Canadians, resulting in a negative demand shock for Canadian retailers, and the dominant response by firms to such a shock is through the intensive margin.