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31.
Jean‐François Coeurjolly Jesper Møller Rasmus Waagepetersen 《Scandinavian Journal of Statistics》2017,44(1):192-203
This paper establishes a remarkable result regarding Palm distributions for a log Gaussian Cox process: the reduced Palm distribution for a log Gaussian Cox process is itself a log Gaussian Cox process that only differs from the original log Gaussian Cox process in the intensity function. This new result is used to study functional summaries for log Gaussian Cox processes. 相似文献
32.
Yasutaka Shimizu 《Scandinavian Journal of Statistics》2017,44(4):951-988
Consider a process satisfying a stochastic differential equation with unknown drift parameter, and suppose that discrete observations are given. It is known that a simple least squares estimator (LSE) can be consistent but numerically unstable in the sense of large standard deviations under finite samples when the noise process has jumps. We propose a filter to cut large shocks from data and construct the same LSE from data selected by the filter. The proposed estimator can be asymptotically equivalent to the usual LSE, whose asymptotic distribution strongly depends on the noise process. However, in numerical study, it looked asymptotically normal in an example where filter was chosen suitably, and the noise was a Lévy process. We will try to justify this phenomenon mathematically, under certain restricted assumptions. 相似文献
33.
Studies of the principal-agent relationship find that monetary incentives work in many instances but that they can also backfire. Various mechanisms for this failure have been examined (e.g., intrinsic motivation, image concerns). We posit that an aversion to being exploited, i.e., being used instrumentally for another’s benefit, can also cause incentives to fail. Using an experiment we find that compliance is lower for exploitative principals compared to neutral ones despite using the same contracts. To corroborate our results we show that surveyed “exploitation aversion” mediates this effect. Our results have implications for the design and implementation of incentives within organizations. 相似文献
34.
Tracey H. Sach 《Journal of Socio》2012,41(1):1-7
In this questionnaire study, individuals were asked to prioritise publicly provided preventive health care services, one of which would be unavailable to them by virtue of their sex. The aim was to establish whether men and women would exhibit different degrees of self-interest when making a constrained choice. Around 1800 subjects from east-central England prioritised three different types of cancer screening. Most also provided written explanations for their rankings and these were classified into explanatory themes. Logistic regressions using socio-demographic and attitude data predicted the type of screening chosen as first priority. The analysis revealed that many men and women did indeed assign similar priorities to the different types of screening and, even when the priorities differed, these were often justified by similar arguments relating to technical aspects of the interventions and to self-interest. However, women were far more likely than men to prioritise a type of screening from which they themselves would benefit directly and the variations in preferences and explanations between the sexes occurred primarily because of differences in other-regarding attitudes. The bias towards screening of females was driven by women's greater worries about the disease in question and by men's “benevolent sexism” with respect to women's wellbeing. 相似文献
35.
Nicholas Harkness 《Journal of Sociolinguistics》2012,16(3):358-381
This paper examines an ideology of standard pronunciation and spelling of English loan words in South Korea through the lens of Korean vowel harmony. I focus specifically on the alternation between an older Japanese‐style ‘a’[a] and a newer Korean‐style ‘?’[?] for the mapping of mid‐vowels from English to Korean. The opposition between ‘a’ and ‘?’ also figures into the dichotomy of vowel classes between ‘yang’ or ‘light’ vowels and ‘yin’ or ‘dark’ vowels in Korean vowel harmony. This opposition is pervasive in Korean's rich stock of denotationally iconic words (e.g. onomatopoeia), where ablaut between vowel classes produces semantic and pragmatic contrasts. I suggest that this latter structure of phonological opposition has an influence on speakers’ perceptions of vowel difference and associated values in English loan words, despite an overarching ideology of standard pronunciation that is based on assumptions about phonetic fidelity. ? ??? ?? ???? ?? ?? ? ??? ? ?????? ????? ?? ??? ???? ????. ??, ?? ???? ‘?’[a]? ‘?’[?]? ??(mapping)?? ?? ??? ??. ??? ?? ????? ‘?’? ?? ?? ??? ? ?????? ???? ???? ??(正音)?? ?????? ??. ?? ‘?’? ????? ???, ??? ???? ??? ????? ?(音)?? ???? ??. ???, ‘?’/‘?’? ??? ??? ???? ?? ????? ????? ??; ?, ??? ????? ????? ??? ??. ??, ????? ???? ????? ??? ??? ??? ? ? ??. ????, ????? ????? ????? ??? ?? ???? ????? ??? ??? ???. [Korean] 相似文献
36.
We use cross-national data on 26 EU countries to estimate how parenthood contributes to the gender wage gap, and assess how institutional elements affect this relationship. We find that irrespective of cultural norms and policies, fathers receive a wage premium, which increases the gender gap. Motherhood gaps vary across countries. The highest gaps are seen in Eastern European countries, where policies and norms lead to long absences from work. Moderate to small penalties are found in Continental Europe, Anglo-Saxon and Nordic countries, alongside higher maternal employment. No motherhood penalties are found for Southern EU countries, where mothers return to work quickly or exit the labor market indefinitely. 相似文献
37.
刘养卉 《山西高等学校社会科学学报》2007,19(3):1-4
十六大以来,面对时代发展和中国社会主义现代化建设的实际,以胡锦涛同志为总书记的党中央,围绕全面建设小康社会这个宏伟目标,在经济、政治、文化、社会、党的建设等各方面,提出了许多新思想、新观点,使马克思主义在新的实践中得到新的丰富和发展。 相似文献
38.
Do men and women behave differently while adjusting labor supply over the business cycle? Using data from the United States, we show that women are significantly more likely to adjust along the intensive margin (number of hours), while men adjust more along the extensive margin (employment). Older, single, and divorced/widowed adjust predominantly along the extensive margin. 相似文献
39.
We use the coin-flip paradigm and a short survey about moral attitudes under three conditions to answer three questions: (i) Do people cheat more when financial incentives are present in comparison with no incentives? (ii) Do they find it more difficult to maintain their ethical standards when they have been given a small amount of money? and (iii) Do moral attitudes predict cheating behavior? Using a sample of Vietnamese college students, we discover that a financial incentive does not matter until people feel that they are facing a loss. In addition, we do not find any evidence that moral attitudes could predict the unethical behavior in our sample. Our findings shed further light on cheating behaviors and loss aversion through an experimental investigation. 相似文献
40.
Samuel Bowles Glenn C. Loury Rajiv Sethi 《Journal of the European Economic Association》2014,12(1):129-152
We explore the combined effect of segregation in social networks, peer effects, and the relative size of a historically disadvantaged group on the incentives to invest in market‐rewarded skills and the dynamics of inequality between social groups. We identify conditions under which group inequality will persist in the absence of differences in ability, credit constraints, or labor market discrimination. Under these conditions, group inequality may be amplified even if initial group differences are negligible. Increases in social integration may destabilize an unequal state and make group equality possible, but the distributional and human capital effects of this depend on the demographic composition of the population. When the size of the initially disadvantaged group is sufficiently small, integration can lower the long‐run costs of human capital investment in both groups and result in an increase the aggregate skill share. In contrast, when the initially disadvantaged group is large, integration can induce a fall in the aggregate skill share as the costs of human capital investment rise in both groups. We consider applications to concrete cases and policy implications. 相似文献