Analyst herding and firm-level investor sentiment

Financial Markets and Portfolio Management - This study examines the effect of firm-level investor sentiment derived from news articles and Twitter media content on analyst herding. The results...     

The Effects of Environmental Turbulence on New Product Development Strategy Planning

Managers need guidance on how to cope with turbulent environments in order to improve corporate performance. Research on environmental turbulence has suggested that firms adopt a less centralized, more organic structure in dynamic, uncertain environments. Little work has been done specifically, however, on how environmental turbulence affects strategy planning for new product development (NPD). In this article, we specify a baseline model with firm innovativeness, market orientation and top management risk taking as antecedents to NPD speed and corporate strategic planning; these in turn are modeled as antecedents to NPD program (not project) performance. Two conceptualizations of the role of environmental turbulence are examined: (1) that market turbulence and technological turbulence are additional direct antecedents to NPD program performance; and (2) that the baseline model is moderated by turbulence (that is, that the strengths of the paths differ depending on levels of turbulence). A cross-sectional survey methodology including four diverse industries [automotive, electronics, publishing, and manufacturing/research and development (R&D) laboratories] was used to test the hypotheses. The latter conceptualization is supported. In particular, the paths from innovativeness to strategic planning and from risk taking to NPD speed are significantly greater in highly turbulent environments. A set of managerial recommendations and implications are provided. First, managers must recognize the possible improvements in new product performance by actively including NPD personnel in corporate strategic planning and also by involving corporate planners in NPD activities. Second, managers also should recognize that turbulent environments heighten the need to make risky investments, and sometimes, risky decisions; risk-taking decisions ought to be encouraged in such environments.     

The interdisciplinarity of evolutionary approaches to human behavior: A key to survival in the Ivory Archipelago

This paper explores the degree of interdisciplinarity of evolutionary approaches to the study of human behavior, and the implications that any such interdisciplinarity may have for the future of evolutionary psychology (EP) as a field of scholarship. To gauge the extent of interdisciplinarity of EP, the departmental affiliation of first-authors from 1000 journal articles evenly distributed across ten leading peer-reviewed psychology journals was assessed. Findings show that journals that are evolutionary-based have more first-authors from outside of psychology, and also include a wider variety of represented disciplines. These findings are discussed in terms of their influence on the future of EP, as a model for interdisciplinary research. EP's future will be successful if it continues to promote interdisciplinarity as well as recognize the epistemological worth of multiple evolutionary paradigms and frameworks. Evolutionary principles have been successfully applied to a broad range of topics, suggesting there is great utility in evolution serving as a common language for interdisciplinary pursuits within the behavioral and social sciences. As such, academic programs such as Evolutionary Studies (EvoS) programs, whose presence continues to increase across academic institutions worldwide, epitomize the future of successful interdisciplinary scholarly training.     

Beyond Trade Costs: Firms’ Endogenous Access to International Markets

In this paper, we explore another factor besides trade costs that can affect firms’ exports: strategic interaction between firms in R&D investment. Three results can be highlighted. First, the volume of trade is higher in the presence of R&D than in the absence of it, given that R&D reduces marginal costs. Second, like with reductions in trade costs, international trade grows with increases in the return on R&D, since technological progress enhances firms’ competitiveness. Third, when firms differ in commitment power in R&D, the R&D leader plays strategically in R&D in order to become more competitive and to be more active in international markets than the R&D follower.     

A model to evaluate transient industry effects

In this paper we present a model to evaluate transient industry effects, that is, the impact of business cycles on the industry. While the importance of the economic cycle for industry and firm performance is widely recognized, we do not know much about how much the business cycle influences industry activity. The aim of this paper is to present a method that helps to understand the relationship between the business cycle and an industry's level of activity. Copyright © 2008 John Wiley & Sons, Ltd.     

Revealing Incentives for Compatibility Provision in Vertically Differentiated Network Industries

We determine the incentives for compatibility provision of firms that produce network goods with different intrinsic qualities when firms do not have veto power over compatibility. When network effects are strong, there are multiple equilibria in pricing and consumer decisions. We show that in some equilibria, it is the high‐quality firm that invests in compatibility, whereas in others, the low‐quality firm triggers compatibility. The socially optimal compatibility degree is zero, except under very strong network effects, where one of the equilibria has all consumers buying the low‐quality good. In this case, a partial degree of compatibility is optimal.     

Unit roots in the presence of abrupt governmental interventions with an application to Brazilian data

This paper considers econometric issues related to time-series data that have been subject to abrupt governmental interventions. The motivating example for this study is the Brazilian monthly inflation rate (1974:1–1993:6) which we use throughout for illustration. This series has been heavily influenced by the effect of so-called shock plans implemented by various governments starting in the mid-1980s. The plans act as ‘inliers’ in the sense that the series is temporarily brought down to low levels before returning to its previous trend path. We analyse the effects on standard unit root tests and measures of persistence caused by the presence of these ‘inliers’. We show a substantial bias in favour of concluding that the series is stationary and that shocks have temporary effects. We then construct appropriately corrected statistics which take into account the presence of the plans. These show, unlike the standard tests, that the stochastic behaviour of the inflation rate was indeed unstable over this period. Simulation results are presented to support the adequacy of our corrected statistics. Copyright © 1999 John Wiley & Sons, Ltd.