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Piers Fleming Ellen Townsend Joost A. van Hilten Alexa Spence Eamonn Ferguson 《Journal of Risk Research》2013,16(7):857-873
The effectiveness of a medical treatment should not predict its risk (highly effective treatments can be either safe or risky), however, people’s use of heuristic shortcuts may lead them to judge a link between effectiveness and risk, typically a negative correlation. A particular concern is that experts might use such a strategy and that this is unlikely to provide an accurate judgement. This large-scale field-based experiment compares expert-relevant and non-expert-relevant contexts, for both expert and public judgements of risk and effectiveness in the context of blood transfusion medicine. Postal questionnaires were distributed to anaesthetists (experts, N?=?123) and a general public (non-expert) comparison group (N?=?1153); half of the participants were cued with accompanying general information about genetically-modified (GM) biotechnology and half received specific information about blood product technologies. The blood-focussed information served to emphasise the medical relevance of the questionnaire to the expert group. Regression analyses showed that generally perceived effectiveness predicted perceived risk for both experts and non-experts, which suggests heuristic processing. However, although experts appeared to engage in heuristic processing for risk perceptions in certain circumstances, this processing is strongly affected by context. Experts who received the medically relevant context rated perceptions of effectiveness independently of perceptions of risk, unlike those who received the GM context. This indicates a reduced reliance on a low-effort heuristic for experts given an expertise-relevant context. The results are considered in light of dual-process (rational-associative) accounts of reasoning. 相似文献
23.
Joost Impink Martien Lubberink Bart van Praag David Veenman 《Review of Accounting Studies》2012,17(2):227-253
This paper examines the effect of Sarbanes-Oxley provisions on 10-K filing delays. We find that tightened filing deadlines
for accelerated and large accelerated filers are not associated with changes in the incidence of late filing. While Section 404
compliance does not affect filing timeliness for firms with effective internal controls, we find that about half the firms
disclosing internal control weaknesses are late filers. As a consequence, many Section 404 material weakness firms experience
negative abnormal returns around late filing notifications before filing the 10-K. Lastly, we find that market reactions to
late filing notifications are more negative when management provides no meaningful explanation for the delay, consistent with
managers’ incentives to withhold bad news. 相似文献
24.
A Tale of Two Tails: Establishment Size and Labour Productivity in United States and German Manufacturing at the Start of the Twentieth Century 下载免费PDF全文
This paper studies the importance of establishment size for the German/US labour‐productivity gap in manufacturing at the start of the twentieth century. First, we show that the left tail of the employment distribution by establishment size was larger in Germany than in the USA. Second, using US state data for 1909, we find a positive correlation between establishment size and labour productivity. Third, imposing the coefficients of these estimates on establishment‐size differences between Germany and the USA, we calculate that a redistribution of German employment to larger establishments, as in the USA, reduces the labour‐productivity gap by about 25 per cent. 相似文献
25.
Sanjin Pajo Dennis Vandevenne Joost R. Duflou 《Technology Analysis & Strategic Management》2017,29(6):642-654
Manufacturers strive to rapidly develop novel products and offer solutions that meet the emerging customer needs. The Lead User Method, emerging from studies on sources of innovation by the scientific community, offers a validated approach to identify users with innovation ideas to support rapid and successful new product development process. The approach has been more recently applied on online communities, where collection and analysis of rich user data are performed by expert practitioners. In this paper, feature extraction techniques are outlined, that enable automated classification and identification of lead users that are present in online communities. The authors describe two case studies to construct a classification model that is then used to identify online lead users for confectionery products, and to evaluate the outlined feature extraction techniques. The presented research points to opportunities in automated identification within the lead user approach that further reduce the resource and time costs. 相似文献
26.
Smallholder farmers in Sub‐Saharan Africa often mitigate production risks through cooperative membership: institutionalized arrangements where they pool resources and collectively manage production and marketing chains. Cooperative membership has a significant advantage: it cushions detrimental effects of external forces, placing a premium on a risk‐seeking attitude (experimenting and innovating), which can yield greater accumulation. However, cooperatives are self‐selective institutions: relatively better‐endowed farmers, who are usually less risk‐avoidant than poorer ones (a consequence of their broader material bases), tend to be overrepresented. These two realities complicate the causal assessment of the relationships between risk attitudes, farmers’ socioeconomic status, and cooperative membership that is essential to comprehend the role of cooperatives in local capital accumulation. To help resolve this thorny analytical problem, an experimental study was carried out in eastern Ethiopia—a risky production environment where cooperatives feature prominently and relatively affluent farmers exist alongside poorer ones. It unveils the working of specific path dependences: poorer cooperative members are less risk seeking than nonmembers, but at an interval much less than that observed for affluent farmers. For development policies, this suggests that a greater payoff can be expected from investing in farmers’ material bases than from further improving cooperative membership. 相似文献
27.
Henk J. de Vries Joost P.M. de Ruijter Najim Argam 《Technology Analysis & Strategic Management》2013,25(3):249-262
Literature suggests that in battles between competing designs, ultimately one design will emerge as dominant to the detriment of the others. Various factors and forces have been identified to explain this phenomenon. Yet, sometimes no dominant design emerges at all and multiple competing designs coexist in the market. The flash memory card industry provides an example of this. In this study, we use this example as a case to investigate the circumstances under which an industry has a tendency toward multiple designs. The case shows that a combination of factors may result in multiple designs and we argue that such a combination of factors will increasingly also apply in other cases. 相似文献
28.
Glynn T. Tonsor Ted C. Schroeder Joost M. E. Pennings 《Journal of Agricultural Economics》2009,60(3):625-644
We developed and applied a model of consumer risk perceptions of beef food safety to better understand the underlying drivers of consumer demand for food safety. We show how consumer demographics, country‐of‐residence, as well as reliance on, and trust in, alternative food safety information sources affect risk perceptions of consumers in Canada, Japan and the United States. Consumers in all three countries have risk perceptions shaped by their level of reliance on observable and credence attribute information. Risk perceptions of consumers in each country are significantly higher for those less trusting of doctors. Moreover, personal and indirect food safety experiences substantially affect risk perceptions. These results are useful to decision‐makers in developing more efficient supply chain management strategies and public policies aimed at building or sustaining consumer confidence in food safety. 相似文献
29.
Surveying Farmers: A Case Study 总被引:1,自引:0,他引:1
Joost M.E. Pennings Scott H. Irwin & Darrel L. Good 《Review of Agricultural Economics》2002,24(1):266-277
A large percentage of farmers do not respond to mail surveys. To gain insight into why farmers do not respond and how to improve response rates, a three-step research design was developed. First, an initial survey, based on in-person interviews with 15 farmers, was sent to 100 farmers. Second, farmers who did not respond to this mail survey were contacted by phone to investigate the reasons for not responding. Third, based on the information from these nonrespondents, the survey instrument was revised and sent to 3,990 U.S. farmers. Our studies show that the period in which the survey is sent is a crucial factor in the willingness to participate, along with the form and amount of compensation, the sender of the questionnaire, and the perceived length of the questionnaire. 相似文献
30.
We propose a behavioural decision-making model to investigate what factors, observable as well as unobservable, owner-managers consider regarding futures contract usage. The conceptual model consists of two phases, reflecting the two-stage decision structure of manager's use of futures. In the first phase owner-managers consider whether futures are within the market choice set for the enterprise. In the second phase the owner-manager decides whether or not to initiate a futures position when confronted with a concrete choice situation. In both phases owner-manager's beliefs and perceptions play an important role. The proposed model is tested on a data set of Dutch farmers, based on computer-assisted personal interviews. Because we incorporate latent variables (e.g., perceptions and beliefs) in both phases, we propose an estimation procedure that takes the measurement error of these latent variables explicitly into account. The implications of the behavioural decision-making model for futures contract design are derived. 相似文献