Knowledge and valuation in markets

The purpose of this theoretical article is to contribute to the analysis of knowledge and valuation in markets. In every market actors must know how to value its products. The analytical point of departure is the distinction between two ideal types of markets that are mutually exclusive, status and standard. In a status market, valuation is a function of the status rank orders or identities of the actors on both sides of the market, which is more entrenched than the value of what is traded in the market. In a market characterized by a standard, the situation is reversed; the scale of value is more entrenched than the rankings of actors in the market. In a status market actors need to know about the other actors involved as there is no scale of value for evaluating the items traded in the market independently of its buyers and sellers. In a standard market it is more important to know how to meet the standard in relation to which all items traded are valued. The article includes empirical examples and four testable hypotheses.

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Market Fashioning

Theory and Society - How do markets come about? This article offers a first systematic analysis of three different ideal types of market fashioning: mutual adjustment, organization, and fields....     

The Mirror to Our Soul? Comparisons of Spontaneous and Posed Vocal Expression of Emotion

It has been the subject of much debate in the study of vocal expression of emotions whether posed expressions (e.g., actor portrayals) are different from spontaneous expressions. In the present investigation, we assembled a new database consisting of 1877 voice clips from 23 datasets, and used it to systematically compare spontaneous and posed expressions across 3 experiments. Results showed that (a) spontaneous expressions were generally rated as more genuinely emotional than were posed expressions, even when controlling for differences in emotion intensity, (b) there were differences between the two stimulus types with regard to their acoustic characteristics, and (c) spontaneous expressions with a high emotion intensity conveyed discrete emotions to listeners to a similar degree as has previously been found for posed expressions, supporting a dose–response relationship between intensity of expression and discreteness in perceived emotions. Our conclusion is that there are reliable differences between spontaneous and posed expressions, though not necessarily in the ways commonly assumed. Implications for emotion theories and the use of emotion portrayals in studies of vocal expression are discussed.     

Changing everyday activities of couples in late life: Converging and keeping up

The influence of mutual spousal interrelations in domains such as health and wellbeing has been demonstrated, but little is known about the domain of everyday activities of couples in late life. In the present explorative study, we considered all of the activities participating couples talked about to be their everyday activities. Its aim was to understand, over time, changes in everyday activities as experienced by late-life community-dwelling couples. In a two-year period, 41 individual and joint interviews were conducted with 8 couples, who were purposefully selected from the Longitudinal Aging Study Amsterdam. Analyses involved the construction of couple narratives and constant comparisons within and across couples. Changing everyday activities in late-life couples was interpreted to be a two-way process of (1) converging, and (2) keeping up, which occurred in three fluid phases. Converging was a slow inward movement with a shift towards diminished everyday activities performed in a smaller world. Keeping up was an outward movement in order to resist the converging process by using everyday activities as a means to keep fit, physically and mentally, and to connect with the wider social world. In the first phase, couples maintained their unique linked activity pattern. In the second phase, spouses resisted converging by keeping up. In the third phase, spouses co-performed everyday activities closely together. The findings support the need to develop couple-oriented interventions that aim to enhance the couples' functioning in the domain of everyday activities.     

Patterns of working and living conditions: a holistic, multivariate approach to occupational health studies

The objective of the study was to develop a multivariate approach to occupational health studies that is: capable of identifying groups with similar working conditions; relevant for studies of associations between working and living conditions and health; and an appropriate basis for preventive actions. Data at the individual level were obtained through measurements, observations, interviews and questionnaires, and at the organizational level, through interviews with managers. Cluster analyses were applied with the purpose of identifying groups of individuals with small, within-group differences. Eighty work sites and a sample of employees at each site were strategically selected. The study group comprised 203 men and women, and was characterized by large variation. The final analysis produced eight clusters of individuals, denoted according to their best-defining characteristic, i.e. 'decent', 'boundary-less', 'locked', 'exposed', 'heavy and monotonous', 'changed', 'mobile' and 'restrained'. The clusters differed with regard to 'what' characterized working conditions, 'where' on the labour market they were found, and 'who' clustered in these groups. The holistic approach revealed conditions that were important for health and had higher explanatory power in relation to ill-health than applying socio-economic groupings or the demand-control-support model. It showed how psychosocial, ergonomic-physical and occupational hygiene factors combine and interact to create settings with different risks of ill-health. The chosen strategy is recommended for future occupational health studies and is particularly suitable as guidance for preventive actions relevant to specific clusters of working and living conditions.     

Urban ecosystems and sustainable urban development—analysing and assessing interacting systems in the Stockholm region

In order to build competence for sustainability analysis and assessment of urban systems, it is seen as essential to build on models representing urban form, landuse and transportation, urban metabolism, as well as ecological processes. This type of analysis of interacting sub-systems requires an advanced model integration platform, yet open for learning and for further development. Moreover, since the aim is to increase urban experience with ecosystem management in the wide sense, the platform needs to be open and easily available, with high visualisation capacity. For this purpose, the LEAM model was applied to the Stockholm Region and two potential future scenarios were developed, resulting from alternative policies. The scenarios differed widely and the dense urban development of Scenario Compact could be visualised, destroying much of the Greenstructure of Stockholm, while Scenario Urban Nature steered the development more to outer suburbs and some sprawl. For demonstration of the need for further development of biodiversity assessment models, a network model tied to a prioritised ecological profile was applied and altered by the scenarios. It could be shown that the Greenstructure did not support this profile very well. Thus, there is a need for dynamic models for negotiations, finding alternative solutions and interacting with other models. The LEAM Stockholm case study is planned to be further developed, to interact with more advanced transport and land use models, as well as analysing energy systems and urban water issues. This will enable integrated sustainability analysis and assessment of complex urban systems, for integration in the planning process in Stockholm as well as for comparative sustainability studies between different cities, with the goal to build more sustainable urban systems and to increase urban experiences in ecosystem management.     

On the Asymptotic Sizes of Subset Anderson–Rubin and Lagrange Multiplier Tests in Linear Instrumental Variables Regression

We consider tests of a simple null hypothesis on a subset of the coefficients of the exogenous and endogenous regressors in a single‐equation linear instrumental variables regression model with potentially weak identification. Existing methods of subset inference (i) rely on the assumption that the parameters not under test are strongly identified, or (ii) are based on projection‐type arguments. We show that, under homoskedasticity, the subset Anderson and Rubin (1949) test that replaces unknown parameters by limited information maximum likelihood estimates has correct asymptotic size without imposing additional identification assumptions, but that the corresponding subset Lagrange multiplier test is size distorted asymptotically.     

Finite Sample Properties of the Two-Step Empirical Likelihood Estimator

ABSTRACT

We investigate the finite sample properties of two-step empirical likelihood (EL) estimators. These estimators are shown to have the same third-order bias properties as EL itself. The Monte Carlo study provides evidence that (i) higher order asymptotics fails to provide a good approximation in the sense that the bias of the two-step EL estimators can be substantial and sensitive to the number of moment restrictions and (ii) the two-step EL estimators may have heavy tails.     

On the scaling of annoyance due to environmental factors

A recurrent problem in sociological annoyance surveys is to scale the environmental variables quantitatively as they are perceived. Data from two surveys on malodors and noise are discussed within a framework of scaling theory. A Thurstonian scaling technique was applied to the category annoyance data. In the investigation of malodors a rather stable picture of the results of the annoyance reports was obtained independently of the assumptions made in data treatment. On the other hand, the results of the noise investigation indicate that paired comparisons may furnish a better procedure than verbal category scaling for data collection in surveys. Scales of annoyance from different populations will give different units of measurement, and annoyance scales cannot be compared adequately unless the scales are calibrated. A possible calibration procedure is to introduce a defined psychological unit of measurement into the data.This study was supported by grants from the Swedish Environment Protection Board and the Swedish Council for Social Science Research. The authors wish to thank Anita and Peter Medlund for collecting parts of the data.     

Women under protection – in hiding from violent men

In Sweden in 2007, 11,047 people, out of a population of around nine million were living under at-risk conditions requiring protective measures for their safety. Sixty per cent were women, most of them hiding from men who had battered them and were still threatening and stalking them. In this research and intervention study, a group of women in hiding were given different kinds of support and 23 women were interviewed. These women struggle to make a living, work or study, and their finances are extremely strained. Their social networks/interactions are nonexistent. Living under constant threat and insecurity has an adverse impact on the women's health. The community is obliged, for economic and security reasons, to support battered women. There are still severe shortcomings with regard to security. One recommendation is the institution of personal protection officers, i.e. specially trained social service caseworkers able to support the woman once protection measures have been decided.