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11.
Marriage equality has exposed how the institution of marriage is changing, but less attention has been given to how informal institutions around heterosexual marriage rituals are affected by a growing demand for gender equality. By applying institutional theory and feminist institutionalism to the context of women proposing to their male partners, this paper observes how shifts in gender norms change heteronormative institutions. Drawing from interviews with women who proposed to men and a virtual ethnography, we describe how reverse proposals can set precedence for emulation of practices or mimetic isomorphism. We therewith contribute to institutional theory in threefold ways. First, we describe how mimetic isomorphism introduces new standards and norms into a highly traditional institution. Second, we show how this integration of new standards and norms serves this patriarchal institution to remain relevant and appear progressive. Finally, we contend that this tension of joining a patriarchal institution but doing so in a subversive manner represents a double bind for women who are encouraged by society to formalize their heteronormative relationships through marriage and yet chastised for initiating this themselves. 相似文献
12.
Karl Gerald van den Boogaart Juan José Egozcue Vera Pawlowsky‐Glahn 《Australian & New Zealand Journal of Statistics》2014,56(2):171-194
A Bayes linear space is a linear space of equivalence classes of proportional σ‐finite measures, including probability measures. Measures are identified with their density functions. Addition is given by Bayes' rule and substraction by Radon–Nikodym derivatives. The present contribution shows the subspace of square‐log‐integrable densities to be a Hilbert space, which can include probability and infinite measures, measures on the whole real line or discrete measures. It extends the ideas from the Hilbert space of densities on a finite support towards Hilbert spaces on general measure spaces. It is also a generalisation of the Euclidean structure of the simplex, the sample space of random compositions. In this framework, basic notions of mathematical statistics get a simple algebraic interpretation. A key tool is the centred‐log‐ratio transformation, a generalization of that used in compositional data analysis, which maps the Hilbert space of measures into a subspace of square‐integrable functions. As a consequence of this structure, distances between densities, orthonormal bases, and Fourier series representing measures become available. As an application, Fourier series of normal distributions and distances between them are derived, and an example related to grain size distributions is presented. The geometry of the sample space of random compositions, known as Aitchison geometry of the simplex, is obtained as a particular case of the Hilbert space when the measures have discrete and finite support. 相似文献
13.
The celebrated model of Gallego and van Ryzin is specialized to the case of constant elasticity of demand. A closed form is developed, which has an even simpler form than that arising with exponential demand and which possesses an excellent approximation. In this environment, monopoly is efficient, which means that all the behavior usually attributed to monopoly pricing is actually a consequence of efficient pricing and would arise even in a perfectly competitive environment. If the initial supply is not too large, consumers have no incentive to delay their purchases to get a lower price at the average inventory prevailing at any time. 相似文献
14.
Abraham Brumberg Zev Katz Lucjan Blit Zeev Ben‐Shlomo William Bergman Vera Rich 《East European Jewish Affairs》2013,43(1):114-116
A Symposium on Soviet Jewry The Jews in Soviet Russia, Since 1917, Lionel Kochan (ed.). London, Oxford University Press for Institute of Jewish Affairs. 1970. ix + 357 pp. Index. £2.50. Wanted: a history of Soviet Jewry The Silent Millions: A History of the Jews in the Soviet Union by Joel Cang. London, Rapp and Whiting. 1969. 246 pp. £2.10. Red Rose Rosa Luxemburg, Ich War — Ich Bin — Ich Werede Sein, by Harry Wilde. Wien‐Muenchen‐Zurich, Verlag Fritz Molden. 1970. 264 pp. A Book on Georgian Jewry Yehudey Gruzia: Ma'avak Al Ha'shiva Le‐tsion (The Jews of Eorgia: A Struggle for the Return to Zion), by Mordecai Neishtat. Tel‐Aviv, Am Oved Publishers, Ltd. 1970. 148 pp. (in Hebrew). Menshevism and the Jewish question Russian Social Democracy; the Menshevik Movement. A Bibliography, by Anna M. Bourgina. Hoover Institution Bibliographical Series: XXXVI, The Hoover Institution on War, Revolution and Peace, Stanford University, Stanford, California. 1968. 392 pp. (no price listed), (in Russian; English introduction). Jewish writers of Byelorussia Pismienniki Savieckaj Bielarusi: Karotki Bijabiblijahraficny Davednik (Writers of Soviet Byelorussia: a short Biobibliography), A. Harodzicki et al (comp.). Minsk, Vydavectva ‘Bielarus’. 1970. 440 pp. 82 kopeks. 相似文献
15.
16.
Alysha Meloche Vera J. Lee Allen Grant Delia Neuman Mary Jean Tecce DeCarlo 《Social Studies》2020,111(4):189-204
AbstractCritical literacy is an appropriate learning outcome for social studies courses because it has the potential to teach students how to critically evaluate sources of information relevant to historical texts and current news media. The purpose of this qualitative case study is to examine the process through which students learned to apply critical literacy strategies while completing an end-of-unit research project in tenth grade AP world history. This study looks as student and teacher interviews to examine how students use critical literacy approaches and perspectives to analyze texts. As a result of this study it was determined that: (1) students at the elite private school had limited experience with source evaluation and critical literacy prior to this research project, (2) critical literacy served as an effective evaluation tool for reliability and bias for some students, (3) certain students experienced challenges in using critical literacy as an evaluation tool, and (4) students believed that critical literacy would benefit them personally and academically. Results include implications for instructors who wish to teach critical literacy and source evaluation in this information age. 相似文献
17.
Nancy Eisenberg Rg Haugen Tracy L. Spinrad Claire Hofer Laurie Chassin Qing Zhou Anne Kupfer Cynthia L. Smith Carlos Valiente Jeffrey Liew 《Social Development》2010,19(3):577-600
The relations of control/regulation‐related temperamentally based dispositions (effortful control (EC), impulsivity, and approach/avoidance) to externalizing problems and personality ego resiliency were examined in a sample of 467 children (M age = 7.46 years), some of whom were children of alcoholics (COAs). In addition, we examined if the relations of temperamental regulation/control to maladjustment/ego resiliency were moderated by COA status or sex of the child. In general, regulated, controlled temperament was negatively related to externalizing problems and EC was positively related to ego resiliency. Relations between a problematic temperament and externalizing problems were stronger and sometimes only found for COAs, especially male COAs. Ego resiliency was positively related to high father‐reported approach for boys who were not sons of alcoholics. In addition, COA status was related to high impulsivity, approach behavior, and externalizing problems and low EC. 相似文献
18.
Prof. Dr. Bernd Helmig Dipl.-Kffr. Vera Hinz Prof. Dr. Silke Michalski Dr. Kirstin von Trotha 《Zeitschrift für Betriebswirtschaft》2010,80(3):263-284
In 2004 a new working time law for physicians in hospitals was introduced, which has up until now been rarely researched in theory and is implemented in practice partially in form of new working time models, partially by relying on allowed variation rules within the law. Meanwhile, there are new discussions about changes of working time directives on the European level. This article aims to analyze the desired effects of the new working time law to decrease the workload, improve the possibilities of patient care and increase the working time satisfaction of physicians. To this end, a primary data collection is conducted in 15 hospitals and 35 hospital departments, generating 261 questionnaires, in order to empirically assess the theoretical model with the constructs working time model, workload, working time satisfaction, and possibilities of patient care using regression analyses. It can be shown that the new working time models decrease workload and enhance working time satisfaction of hospital physicians, but have no significant influence on the possibilities of patient care. These results are consistent for different ownerships and sizes of hospitals as well as for most services. No significant differences in the answers between various physician groups exist either. 相似文献
19.
The diamond market has recently experienced important structural changes moving from a monopolistic market to a more liberalised and competitive one. As a result, diamonds are being discussed as a new investment asset class, with possible valuable portfolio contributions. The aim of this paper is to analyse their potential role within an investment framework, using previously unpublished data. We use the GemShares and NASDAQ OMX patented license and Polished Prices proprietary Price Reporting Agency (PRA) database to build our own standardized financial polished diamond basket indices (DBIs), using actual reported data of traded prices, adjusted for liquidity by traded volume. The impact of adjusting for traded volume of investment grade (only) diamonds is sufficient to develop a unique subset different to that captured and reported by the PRA. We first construct an index for High-Quality (HQ) and a second one for Medium-Quality (MQ) diamonds so we can study both of their dynamics and investment features. We further analyse the relationship the two indices have with major macroeconomic and financial variables, as well as other precious commodities to investigate their role as safe haven or hedge. We find that the DBIHQ Index returns are, on average, positively correlated with major macroeconomic variables—in particular with the Euro and Chinese Interest rates. The DBIMQ Index returns are largely uncorrelated with the same macroeconomic variables—with the exception of Euro Interest rates and the Israeli Exchange rate. When we compare our Diamond Indices returns with major financial variables and other precious commodities, we find a broad lack of correlation between their returns, and significant difference between the DBIHQ and DBIMQ Indices. We may conclude that diamonds are broadly a poor hedge for any of the portfolios we considered, with a few important exceptions—especially gold. Using Bauer and Lucey’s (Financ Rev 45(2):217–229. doi: 10.2139/ssrn.952289, 2010) approach we further tested the “safe haven value” and “hedging usefulness” of the two Indices. In contrast with previous studies we believe the unique data we accessed allowed us to demonstrate that diamonds represent a strong hedge for gold investors, and in addition exhibit features of a safe haven for stock markets during periods of financial stress. 相似文献
20.
Marieke Haan Peter Lugtig Vera Toepoel 《International Journal of Social Research Methodology》2019,22(5):517-531
In this study, we investigate whether mobile device use in surveys can be predicted. We aim to identify possible motives for device use and build a model by drawing on theory from technology acceptance research and survey research. We then test this model with a Structural Equation Modeling approach using data of seven waves of the GESIS panel. We test whether our theoretical model fits the data by focusing on measures of fit, and by studying the standardized effects of the model. Results reveal that intention to use a particular device can predict actual use quite well. Ease of smartphone use is the most meaningful variable: if people use a smartphone for specific tasks, their intention to use a smartphone for survey completion is also more likely. In conclusion, investing in ease of use of mobile survey completion could encourage respondents to use mobile devices. This can foremost be established by building well-designed surveys for mobile devices. 相似文献