Finite Sample Comparison of Parametric, Semiparametric, and Wavelet Estimators of Fractional Integration

In this paper we compare through Monte Carlo simulations the finite sample properties of estimators of the fractional differencing parameter, d. This involves frequency domain, time domain, and wavelet based approaches, and we consider both parametric and semiparametric estimation methods. The estimators are briefly introduced and compared, and the criteria adopted for measuring finite sample performance are bias and root mean squared error. Most importantly, the simulations reveal that (1) the frequency domain maximum likelihood procedure is superior to the time domain parametric methods, (2) all the estimators are fairly robust to conditionally heteroscedastic errors, (3) the local polynomial Whittle and bias-reduced log-periodogram regression estimators are shown to be more robust to short-run dynamics than other semiparametric (frequency domain and wavelet) estimators and in some cases even outperform the time domain parametric methods, and (4) without sufficient trimming of scales the wavelet-based estimators are heavily biased.     

Social capital and women's reduced vulnerability to HIV infection in rural Zimbabwe

Social capital—especially through its “network” dimension (high levels of participation in local community groups)—is thought to be an important determinant of health in many contexts. We investigate its effect on HIV prevention, using prospective data from a general population cohort in eastern Zimbabwe spanning a period of extensive behavior change (1998–2003). Almost half of the initially uninfected women interviewed were members of at least one community group. In an analysis of 88 communities, individuals with higher levels of community group participation had lower incidence of new HIV infections and more of them had adopted safer behaviors, although these effects were largely accounted for by differences in socio-demographic composition. Individual women in community groups had lower HIV incidence and more extensive behavior change, even after controlling for confounding factors. Community group membership was not associated with lower HIV incidence in men, possibly refecting a propensity among men to participate in groups that allow them to develop and demonstrate their masculine identities—often at the expense of their health. Support for women's community groups could be an effective HIV prevention strategy in countries with large-scale HIV epidemics.     

Measuring Well-being Across Europe: Description of the ESS Well-being Module and Preliminary Findings

It has become customary to judge the success of a society through the use of objective indicators, predominantly economic and social ones. Yet in most developed nations, increases in income, education and health have arguably not produced comparable increases in happiness or life satisfaction. While much has been learned from the introduction of subjective measures of global happiness or life satisfaction into surveys, significant recent progress in the development of high-quality subjective measures of personal and social well-being has not been fully exploited. This article describes the development of a set of well-being indicators which were included in Round 3 of the European Social Survey. This Well-being Module seeks to evaluate the success of European countries in promoting the personal and social well-being of their citizens. In addition to providing a better understanding of domain-specific measures, such as those relating to family, work and income, the design of the Well-being Module recognises that advancement in the field requires us to look beyond measures which focus on how people feel (happiness, pleasure, satisfaction) to measures which are more concerned with how well they function. This also shifts the emphasis from relatively transient states of well-being to measures of more sustainable well-being. The ESS Well-being Module represents one of the first systematic attempts to create a set of policy-relevant national well-being accounts.

Youth, unemployment and political marginalisation

The article investigates the impact of being unemployed on political marginalisation among young people. Are unemployed youth politically marginalised compared with employed youth? Is the impact of unemployment on political marginalisation related to the development of the welfare state? Based on Marshall’s concept of social citizenry, and Esping‐Andersen’s theory of decommodification politics, the impact of unemployment on political marginalisation was expected to be least in the most‐developed welfare states. In these countries, welfare policies were expected to counteract marginalisation among the unemployed. The analyses were based on the Eurobarometer survey Young Europeans from 1990. Three aspects of political marginalisation were investigated: political confidence, political interest and political extremism. Unemployed youth express less confidence in politics, they talk less about politics and they more frequently support revolutionary political ideas, compared with employed youth. The greatest difference in political confidence between unemployed and employed is found in Great Britain, while Italy represents a deviant case where the unemployed have more confidence than the employed. The development of the welfare state does not appear to be a crucial factor for political confidence among the unemployed.     

Action research,science, and the co-optation of social research

This paper centers on our argument that action research (AR) produces “better” research than orthodox social research but that AR is marginalized in “Northern” universities because it connects social research to social reform. The key viewpoints informing our work are easily stated but elaborate arguments are required to justify them. We argue that AR is the most credible and methodologically coherent way to create and apply reliable knowledge in social research.

Existing power structures prefer orthodox social research, not because it produces better research but because it does not interfere with existing social arrangements. The demand for social distance and objectification separates the researcher from the subject and prevents social research from becoming an instrument of social change. The dominance of these frameworks in university environments reveals that universities, in addition to being centers of learning, play an important role in replicating existing social arrangements (Noam Chomsky et al., 1997). We believe that AR's social change agenda, not its inferiority as social research, causes its marginality.     

Are national levels of employee harassment cultural covariations of climato-economic conditions?

Conflict in a workgroup turns into harassment if a group member is persistently confronted with negative acts with few possibilities to retaliate. Cross-national differences in such intragroup harassment are considerable but wait to be understood. In this study, survey data from 44,836 employees in 44 countries revealed that a cultural in-group orientation was associated with lower employee harassment. In addition, and in agreement with Van de Vliert's climato-economic theory of culture, workforces reported more harassment in poorer countries with more demanding climates of colder-than-temperate winters, hotter-than-temperate summers, or both. Finally, it was found that the impact of climato-economic hardships on harassment suppressed the impact of cultural in-group orientation on harassment. Using the regression equation obtained for the sample of 44 countries, national levels of employee harassment for a broader pool of 103 countries were estimated and scrutinized for their validity for future research. Data from the World Values Surveys were used to validate the estimations. The results provide the basis for a further hypothesis, that employee harassment is more prevalent in countries with either survival or self-expression cultures than in countries with cultures that are intermediate between those two extremes. The results have implications for prevention and remedial measures.     

Long periods with uninterrupted muscle activity related to neck and shoulder pain

The aim was to analyze the relationship between periods with uninterrupted neck muscle activity for ≥ 4 min and neck and shoulder pain. The trapezius muscle activity was recorded bilaterally on 40 young workers and students during a full shift. Neck and shoulder pain, mechanical work load and decision control were reported at the same time as the muscle activity recording and 6 months later. A dose-response relationship was found between uninterrupted muscle activity and neck and shoulder pain, with a ten-fold higher risk for the group with more than half, compared to less than a third, of the shift with uninterrupted muscle activity. Self-reported mechanical work load showed a small but protective effect related to pain. Gender and decision control did not emerge as important risk factors in this model. In conclusion, this study indicates that work or other exposures that contains long periods with uninterrupted neck muscle activity of 4 min duration or longer should be minimized to reduce risk of neck and shoulder pain.     

Sustainability and counteracting factors to profit rate decline

This paper discusses sustainability implications of barriers to growth as specified in the theory of the long-term falling rate of profit but focusing on the counteracting factors (CFs) specified by Marx. These depend much on political processes and are important in state theory for understanding policies of national and international institutions. Fourteen partly overlapping factors are identified and grouped in five categories: increased pressure on labor, geographical expansion, resource efficiency, technological progress, and destruction or devaluation of capital. It is suggested that there are limits to all of them and also that there is much room for continued capitalist growth. While the drive toward resource efficiency can contribute to sustainability, other CFs work against this. But increased sustainability requires the retirement of resource inefficient and carbon intensive technologies which implies a destruction of capital that will counteract the falling rate of profit. This will require sustained political intervention.