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41.
Quantal Response Equilibrium and Overbidding in Private-Value Auctions   总被引:2,自引:0,他引:2  
This paper applies the quantal response equilibrium (QRE) model to study overbidding in private-values auctions. Experimental evidence shows that the prevalence of overbidding depends on the cost of overbidding relative to underbidding, as predicted theoretically. We use QRE as an error structure to estimate parameters of several competing models of overbidding. A QRE model based on risk averse bidders closely tracks the exact distribution of bids. The estimated parameters are significant and consistent across treatments. Journal of Economic Literature Classification Numbers: C72, C92, D44.  相似文献   
42.
Whole life value is introduced as a concept for evaluating construction projects, which extends beyond the more typical use of optimized (equilibrium) utility preferences. By linking value and sustainability the concept allows for the consideration of ‘price‐less’ evaluations within the construction project process. As an industry exposed perhaps more than any other to issues of public space and environmental impact, construction is being driven towards the use of complex, multi‐issue consultations with stakeholders within which whole life value can operate as a contextual limit. By investigating traditional cost–benefit analysis routes, and then what are called ‘aspects of sustainability’, an argument is advanced for these consultations to be ongoing rather than one‐off events. As such, they are to concern themselves with the framework of relationships (proxemics) by which distinct evaluations might be articulated and understood through the project process, rather than just how one arrives at a consensus of opinion. It is argued that the concept of value can only be applied fully to any project if consideration has been given to the ambience and context of stakeholder relations and attitudes as opposed to just the prevailing opinions. The virtue of such stakeholder involvement lies not in its ‘rubber stamping’ a separate process of activity, but in ensuring value is realized across asset life through a focus on attaining and sustaining conditions for the reflective articulation of need. Copyright © 2001 John Wiley & Sons, Ltd. and ERP Environment  相似文献   
43.
Market efficiency in agricultural futures markets   总被引:1,自引:0,他引:1  
Market efficiency and unbiasedness are tested in four agricultural commodity futures markets - live cattle, hogs, corn, and soybean meal - using cointegration and error correction models with GQARCH-in-mean processes. Results indicate each market is unbiased in the long run, although cattle, hogs and corn futures markets exhibit short-run inefficiencies and pricing biases. Models for cattle and corn outperform futures prices in out-of-sample forecasting. Results also suggest short-run time-varying risk premiums in cattle and hog futures markets.  相似文献   
44.
Since the beginning of detente in the sixties the United States’ economic policy toward the Soviet Union has steered a zig-zag course. The latest spectacular step was President Reagan’s lift—apparently without an adequate quid pro quo—of the embargo on grain and phosphates imposed by his predecessor in response to the Soviet invasion of Afghanistan. Our author explains the interplay of different interests and schools of thought bearing on trade policy as an instrument for pursuing foreign policy objectives.  相似文献   
45.
There are many visions on how to achieve a sustainable agriculture that provides enough food and ecosystem services for present and future generations in an era of climate change, increasing costs of energy, social unrest, financial instability and increasing environmental degradation. New agricultural systems that are able to confront the challenges of a rapidly changing world require a minimum of ten attributes that constitute the defining elements of a Green Agriculture. A major challenge is to identify a set of thresholds that any agricultural production strategy must meet, beyond which unsustainable trends caused by the farming technologies would lead to tipping-point phenomena. Only those styles of agriculture that meet the established threshold criteria while advancing rural communities towards food, energy and technological sovereignty would be considered viable forms of Green Agriculture. Considering the diversity of ecological, socio-economic, historical and political contexts in which agricultural systems have developed and are evolving in, it is only wise to define a set of flexible and locally adaptable principles and boundaries of sustainability and resiliency for the agroecosystems of the immediate future.  相似文献   
46.
Ethics is a significant issue among those in leadership positions, especially since the ethical corporate scandals of the 1970s followed by corporate scandals in the 1980s and the S&L scandals of the 1980s and 1990s and most recently the global financial crisis of 2006–2009. The purpose of this research was to measure the perceived leadership integrity in today’s manufacturing environment, since the global financial crisis, as perceived by their employees. This study included 7,233 manufacturing employees in the United States. A total of 66 surveys were used to calculate data for this study. The Perceived Leader Integrity Scale (PLIS) was used to collect data from respondents that included demographic questions. The research addressed the following question: To what degree are leaders in the manufacturing industry considered “low ethical,” “moderate ethical,” and “high ethical” on the PLIS?  相似文献   
47.
48.
We investigate the role and influence of the biological metaphor ‘growth’ in studies of organizations, specifically in entrepreneurial settings. We argue that we need to reconsider metaphorical expressions of growth processes in entrepreneurship studies in order to better understand growth in the light of contemporary challenges, such as environmental concerns. Our argument is developed in two stages: first, we review the role of metaphor in organization and entrepreneurship studies. Second, we reflect critically on three conceptualizations of growth that have drawn on biological metaphors: the growing organism, natural selection and co-evolution. We find the metaphor of co-evolution heuristically valuable but under-used and in need of further refinement. We propose three characteristics of the co-evolutionary metaphor that might enrich our understanding of entrepreneurial growth: relational epistemology, collectivity and multidimensionality. Through this we provide a conceptual means of reconciling an economic impetus for entrepreneurial growth with an environmental imperative for sustainability.  相似文献   
49.
This article presents evidence on the link between employment protection legislation (EPL) and the rate of unemployment in a cross‐country panel dataset of Organisation for Economic Co‐operation and Development countries from 1985 to 2013. We use both a traditional panel specification with lags of the policy variable, and also a unique structural panel vector autoregression (PVAR) method to determine the long‐run dynamic interaction between EPL and unemployment. We confirm that more restrictive EPL for permanently employed workers causes a significant and persistent increase in unemployment, but the effect is only apparent at long‐lag lengths, some 2–5 years after the law has been implemented. (JEL J68, J65, J63)  相似文献   
50.
Abstract This paper examines extent to which variances in flexible employment practices across fourteen European countries may be attributed to cultural variances. Data were gathered through a survey of human resource practices in 4,876 companies. The results indicate that national differences between flexible employment practices were explained by cultural differences. Specifically, we find use of part-time work is related to power distance and individualism; contract work is related to uncertainty avoidance and individualism; shift work is related to uncertainty avoidance, power distance and individualism; and telework is related to femininity.  相似文献   
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