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水利工程是国民经济建设过程中非常重要的建设内容,能够为人们的生产生活提供极大的便利,这就需要保证水利工程测量工作的准确性。在水利工程测量过程中,常用的测量工具就是全站仪,做好其误差分析与精度控制工作是非常必要的,本文就主要针对此予以简单分析。 相似文献
24.
In this study, we employ a multivariate panel error correction model (PVECM) to investigate asymmetric price transmission among the farm, processor, and retail segments of the European food supply chain for the 2005–2016 period. The results indicate that, in both the long- and short-run, retail prices respond more strongly to processor price increases than decreases and the same occurs for processor prices due to farm price changes. Thus, the findings demonstrate the presence of positive asymmetric price transmission in the European food supply chain. Finally, the results of the present study indicate that the food price pass-through varies greatly across product category and across countries, and that the pass-through to producer prices is greater than that to consumer prices. 相似文献
25.
Peter Clarkson Alexander Nekrasov Andreas Simon Irene Tutticci 《Journal of Business Finance & Accounting》2020,47(9-10):1365-1399
This paper reveals that in addition to fundamental factors, the 52-week high price and recent investor sentiment play an important role in analysts’ target price formation. Analysts’ forecasts of short-term earnings and long-term earnings growth are shown to be important explanatory variables for target prices; equally, the 52-week high price and recent investor sentiment are also shown to explain target price levels and especially target price biases. Our analysis additionally reveals that analysts place greater weight on these two non-fundamental factors in settings with greater task complexity and to some extent in those with greater resource constraints. Conversely, on balance, the results suggest that this increased reliance does not translate into an increased impact per unit of each non-fundamental factor on forecast bias. Finally, our results show that target prices are useful in predicting future stock returns beyond earnings forecasts and commonly used risk proxies. However, in an internally consistent fashion, the informativeness of target prices for future returns is significantly reduced when greater weight is placed on either the 52-week high or recent investor sentiment in the target price formation process. 相似文献
26.
本文选取2010—2016年中国沪深A股上市公司样本,实证检验CEO学术经历对高管在职消费行为的影响。研究发现,学术经历有助于CEO强化道德自觉、增强道德自律,形成内在的自我约束与监督机制,进而抑制了其所在企业的高管在职消费活动。当CEO拥有高层次学术经历或来自内部晋升时,CEO学术经历对高管在职消费的抑制效应更为显著。该结论在采用双重差分模型、Heckman两阶段模型控制潜在的内生性问题及其他稳健性检验之后仍然成立。进一步研究表明,在自由现金流较多、董事会规模较大或独立性较低、外部审计监督较弱以及产品市场竞争程度较低等公司内外部治理环境较差的情景下,学者型CEO的自律品质所能发挥的治理作用更大,对高管在职消费的抑制效应也更为明显。此外,在党的十八大之后,随着“八项规定”等多项高压反腐政策的出台,政策效应在国有企业高管在职消费的治理中发挥着主导性作用,CEO学术经历对国有企业高管在职消费的抑制效应有所下降。本文为高管学术经历的治理效应假说提供了证据支持,对于上市公司规范和治理高管在职消费行为、选聘合适的高管人才具有重要的借鉴意义。 相似文献
27.
Top management team incentive heterogeneity,strategic investment behavior,and performance: A contingency theory of incentive alignment 下载免费PDF全文
Adam L. Steinbach Tim R. Holcomb R. Michael Holmes Jr. Cynthia E. Devers Albert A. Cannella Jr. 《战略管理杂志》2017,38(8):1701-1720
Research summary : We develop and test a contingency theory of the influence of top management team (TMT) performance‐contingent incentives on manager–shareholder interest alignment. Our results support our theory by showing that although TMTs engage in significantly higher levels of acquisition investment when their average incentive levels increase, investors' responses to those large investments are generally negative. More importantly, however, we further find that within‐TMT incentive heterogeneity conditions that effect, such that investors evaluate TMTs' large acquisition investments more positively as the variance in those top managers' incentive values increases. Thus, within‐TMT incentive heterogeneity appears to increase manager–shareholder interest alignment, in the context of large acquisition investments. Managerial summary : We find that as the average value of TMTs' incentives increase, relative to their total pay, they invest more in acquisitions and investors' respond negatively to the announcement of those deals. However, we further show that investors respond more positively to acquisitions announced by TMTs whose members' incentive values vary (some TMT members hold higher incentives and others hold lower). Results imply that when TMT members hold differing incentives levels, they approach investments from divergent perspectives, scrutinize those investments more heavily, and make better decisions, relative to TMTs with similar incentives. They also suggest that boards seeking tighter manager–shareholder interest alignment may benefit from introducing variance into TMT members' incentive structures, as doing so appears to create divergent preferences that can improve team decision making. Copyright © 2016 John Wiley & Sons, Ltd. 相似文献
28.
Indian agriculture is experiencing under-performance despite increased attention given to it in the recent past. This paper analyzes the disparities in agricultural growth across Indian states and explores the determinants of agricultural growth, using Panel Corrected Standard Error approach. Analysis using beta convergence shows that the disparities across the state's agricultural growth are narrowing down for the period 1980–1981 to 2011–2012. However, to stimulate growth in the states where agriculture is lagging behind, a higher emphasis on increasing the area under irrigation, expenditure on agricultural research, area under fruits and vegetables, number of regulated markets, length of roads, cold storage facilities and institutional credit for investment purposes is needed. Private sector should be involved in public–private-partnership mode for improving the infrastructure in this sector. 相似文献
29.
Reaffirming the CEO effect is significant and much larger than chance: A comment on Fitza (2014) 下载免费PDF全文
A recent study by Fitza argued that the prior estimates of the Chief Executive Officer (CEO) effect are conflated with events outside the CEO's control, are largely the result of random chance, and that the true CEO effect is smaller than has been previously estimated. We suggest that the empirical methodology employed by Fitza to support these claims substantially overstates the “random chance” element of the CEO effect. We replicate Fitza's findings, highlight methodological issues, offer alternative conclusions, and using multilevel modeling (MLM), suggest that his analyses mischaracterize the CEO effect. Copyright © 2016 John Wiley & Sons, Ltd. 相似文献
30.
This paper examines the potential of hybrid schemes of speed limit and road pricing for decentralizing Pareto-efficient flow/speed patterns that minimize total travel time and total emissions simultaneously. Both link flows and speeds are treated as independent variables in our bi-objective formulation. The resulting Pareto frontier is thus weakly dominant to that in previous literature. For any such favorable Pareto-efficient flow and speed pattern, we establish the existence of hybrid schemes of speed limits and non-negative/revenue-neutral tolls, whose set of user equilibrium (UE) solutions contains the Pareto-efficient one, and provide sufficient conditions under which the Pareto-efficient solution can be certainly obtained. 相似文献