环境规制、土地资源错配与环境污染

文章以2013—2018年中国267个地级及以上城市为研究对象,实证研究了土地资源错配与环境污染之间的关系以及环境规制在土地资源错配和环境污染之间的调节作用。结果表明:土地资源错配与环境污染呈显著正相关关系,即土地资源错配会造成环境污染,且环境规制在土地资源错配和环境污染之间具有抑制作用。异质性分析中,运用地理加权回归模型,按照土地资源错配对环境的污染程度对城市分类,与中度污染组相比,环境规制对重度污染组的土地资源错配和环境污染之间的抑制作用更加显著;按照全国资源型城市分类,与成长型城市和衰退型城市组相比,环境规制的抑制作用在成熟型城市和再生型城市组更明显。     

A Generalized Estimating Equation in Longitudinal Data to Determine an Efficiency Indicator for Football Teams

Over the years football has attracted enormous interest from various fields of study, attracting attention both for its sporting and social aspects. Professional business operators consider football an important industry with enormous potential both in terms of its size and growth, and also because of indirect benefits due to the popularity gained by investors and management of football teams. The focus of the analysis has been on what characterizes most football clubs, and determines their particular economic and financial needs. The aim of this paper is to establish an efficiency measurement for football team financial resource allocation. In particular, we analysed the impact that the income statement, Net equity and Team value variables have on the points achieved by football teams playing in “Serie A” championship (Italian league). The method used in our study is a generalized estimating equation (GEE) for longitudinal count data. In addition we consider a coefficient of determination in the GEE approach based on Wald Statistics, and we propose a modified Mallow’s Cp for choosing the best model. Finally we propose an AFRSport index based on the differences between observed and theoretical points, in order to identify those teams that efficiently employ their financial resources.

     

Panel regression models for measuring multidimensional poverty dynamics

This work concerns the study of poverty dynamics and the analysis of the influencing socio-demographic factors. A fuzzy and multidimensional approach has been chosen in order to define two different poverty measures. A panel regression model has been estimated and particular attention has been paid to the treatment of the unobservable heterogeneity among longitudinal units. The specified model combines autoregression with variance components. The empirical analysis has been conducted using the data set of the British Household Panel Survey (BHPS) from 1991 to 1997. This work was co-financed by Murst funds for the projects “Occupazione e disoccupazione in Italia: misura e analisi dei comportamenti”. The paper is the result of the common work of all the authors; in particular G. Betti has written Sects. 2,5.1 and 5.3.1; A. D’Agostino has written sections 4, 5.2 and 5.4; L. Neri has written Sects. 1, 3, 5.3.2 and 6.     

WHY FAMILY THERAPY SHOULD GO BEYOND HOMEOSTASIS: A KUHNIAN REPLY TO ARIEL,CAREL AND TYANO

The thesis of “Beyond Homeostasis” is (a) that the discourse of family therapists unquestionably shows that family therapists have tended to see homeostasis as a trait of families; and (b) that such a view of homeostasis is inconsistent with the systemic paradigm. Therefore, family therapy should go beyond such an understanding of homeostasis. Ariel et al. may have failed to grasp this argument; they have certainly chosen to ignore it. Ariel et al. have provided a logical empiricist explication of the nonsystemic version of homeostasis which is portrayed in the discourse of family therapists. I still argue that family therapy should go beyond such an understanding of homeostasis.     

Toward the study of women and politics in the Arab world: The debate and the reality

This article deals with the subject of political roles of women in the Arab world. It argues that, while the conditions of women are not uniform in the region, there are some general common factors that inhibit women’s participation in the political process. The article also addresses the subject of Islamic determinants—or lack thereof—of the status of women in Arab society. An analysis of the feminist debate is presented, and some trends are identified. The analysis focuses on the interaction between Islam and culture in an attempt to determine the role of each in the oppression of women. A critique of the antifeminist and “Islamic feminist’ viewpoints is included. The article offers some methodological suggestions for the comparative study of women and politics in the Arab world, with special emphasis on: voting, legalistic/constitutional method, informal vs. formal politics, and the impact of modernization. The conclusion is predicated on the belief in the limitations of a feminist struggle within the parameters of religion, any religion—in this case Islam.     

矿井掘进工作面安全评价的灰色聚类方法

本文用灰色聚类方法[1]讨论了煤矿掘进工作面安全评价问题,提出了一种新的安全评价方法─灰色聚类综合法。同时,本文对灰色聚类的算法作了改进,改进后的算法便于记忆和应用。     

The effects of davis-bacon on labor cost and union wages

Two issues have seriously hampered studies of the impact of the Davis-Bacon Act. The first is that one must make assumptions about what the distribution of wages would be in the absence of the statute. It is shown that cost estimates are quite sensitive to these assumptions. The second is that while Davis-Bacon determinations may increase nonunion wages, they are also likely to increase the bargaining power of unions leading to higher union wages. Simply estimating the impact on nonunion wages therefore underestimates the true effect. Union wages are both determined by and a determinant of Davis-Bacon wages. It is found that Davis-Bacon determinations exert a significant influence on the union’s ability to gain higher wages. I would like to thank Joseph DiMasi and David Alexander for comments and discussion on an earlier version of this paper. Special thanks are due an anonymous referee for his support and suggestions.     

Identity and Ideas: A Roundtable on Identity Politics

This roundtable discussion examines the issue of identity politics and how identity influences and is influenced by gay/queer politics and theory. The participants discuss how identity politics affects political organizing and activism, how different identity communities can build coalitions, how the language related to identity is evolving, and how sexual attractions and practices interact with identity. The discussants look at how the influx into the gay and lesbian movement of new groups that challenge traditional identity boundaries—e.g., bisexuals and transgendered people—is affecting the movement. Finally, the discussants examine how “idea-based” politics may supplant identity-based politics as a new inclusive paradigm.