Beneficiaries’ aspirations to permanent employment within the South African Working for Water Programme

The South African Working for Water (WfW) programme is a short-term public works programme (PWP) focused on clearing invasive alien plants, while training and empowering the marginalised poor to find employment. Furthermore, it aims to develop independent, entrepreneurial contractors who should ‘exit’ from the programme into the broader labour market. However, evidence indicates that many beneficiaries have become financially dependent on this employment, and find it difficult to search for alternatives. Understanding the reasons for this dependence from the perspective of the beneficiaries of this PWP is crucial to align such projects to the actual needs of the beneficiaries, but these have not yet been considered from a sociological perspective. This article reports on data collected, through face-to-face interviews, on WfW beneficiaries’ aspirations to permanent employment in four projects in the Winelands and Overberg districts of the Western Cape. It presents the novel finding that the social structures within projects themselves seem to create a need to remain in the WfW programme. In addition, a misalignment between these projects’ implementation and beneficiaries’ aspirations to financial stability (associated with permanent employment in WfW) is highlighted. The authors argue that WfW should respond to these aspirations, rather than pursue the ostensibly unrealistic aim of creating independent entrepreneurs. Finally, the implications of these findings for PWPs globally, and their concerns regarding the inadvertent creation of beneficiary dependence, are outlined.     

Modeling the Airborne Infection Risk of Tuberculosis for a Research Facility in eMalahleni,South Africa

A detailed mathematical modeling framework for the risk of airborne infectious disease transmission in indoor spaces was developed to enable mathematical analysis of experiments conducted at the Airborne Infections Research (AIR) facility, eMalahleni, South Africa. A model was built using this framework to explore possible causes of why an experiment at the AIR facility did not produce expected results. The experiment was conducted at the AIR facility from August 31, 2015 to December 4, 2015, in which the efficacy of upper room germicidal ultraviolet (GUV) irradiation as an environmental control was tested. However, the experiment did not produce the expected outcome of having fewer infections in the test animal room than the control room. The simulation results indicate that dynamic effects, caused by switching the GUV lights, power outages, or introduction of new patients, did not result in the unexpected outcomes. However, a sensitivity analysis highlights that significant uncertainty exists with risk of transmission predictions based on current measurement practices, due to the reliance on large viable literature ranges for parameters.     

Combining transition studies and social movement theory: towards a new research agenda

This article addresses two central—yet insufficiently explored—characteristics of some social movements: i.) abrupt and rapid social mobilizations leading to ii.) the construction of novel political processes and structures. The article takes a novel approach to these issues by combining social movement literature and the notion of free social spaces with transition studies, which focuses on large-scale socio-technical transitions. This theoretical integration highlights the co-evolution between free spaces and societal transitions, and it is based upon complexity-thinking, which is essential to deal with non-linear dynamics. A key insight is that to enable bottom-up societal transitions, radical social movements need to proactively develop solid alternatives to existing societal structures, to be ready once a window of opportunity opens. This theoretical approach is empirically illustrated using the APPO-movement in Mexico in 2006.     

Some new international comparisons of productivity performance at the sectoral level

Summary. We present several new measures of gross-output-based total factor productivity (TFP) at the sectoral level for manufacturing industries in the G-7 economies. We calculate measures of both TFP growth and comparative levels. These are obtained by combining conventional Organisation for Economic Co-operation and Development sectoral data on labour and capital inputs with data on intermediate inputs from national input–output tables. Additionally, we derive cyclically corrected measures of TFP growth. Our evidence shows that the considerable gap in TFP between the USA and other G-7 economies is closing but remains significant.     

Social policy and forms of family life in Europe

This paper presents unpublished data from an international comparative research project. A ten-country study analysed change and diversity informs of private life during the 1980s in comparable age groups of women (women of young parental age and women at the start of the postparental phase). Changes in forms of private life and their international diversity make up the sociological background for demographic change. The scientific and political assumptions view demographic diversity in Europe as an expression of the simultaneity of the non-simultaneous, of a unidimensional trend in changes informs of private life as a result of the dissolution of the traditional family and the subsequent increase in such forms. We show that although Europeans have to deal with similar trends, they are framed by various national and cultural traditions and different social policy guiding principles and actions. Social policy profiles define various "normality weightings" for (prospective) parents'options. Of particular significance is how States differ in reconciling the demands of family and work. Differences in compatibility between family and professional life are exemplified by what Kaufmann (1990) calls the "structural lack of consideration" that politics and society have for the family.     

On a generalization of Poisson sampling

In real-time sampling, the units of a population pass a sampler one by one. Alternatively the sampler may successively visit the units of the population. Each unit passes only once and at that time it is decided whether or not it should be included in the sample. The goal is to take a sample and efficiently estimate a population parameter. The list sequential sampling method presented here is called correlated Poisson sampling. The method is an alternative to Poisson sampling, where the units are sampled independently with given inclusion probabilities. Correlated Poisson sampling uses weights to create correlations between the inclusion indicators. In that way it is possible to reduce the variation of the sample size and to make the samples more evenly spread over the population. Simulation shows that correlated Poisson sampling improves the efficiency in many cases.     

Unemployment and Endogenous Growth

In this paper we develop a two-sector endogenous growth model with a dual labour market, based on efficiency wages. Growth is driven by intentional R&D performed in the high-tech and high-wage sector. How a change in rivalry among firms affects simultaneously growth and unemployment is examined. On the one hand, an increase of the elasticity of substitution between the product varieties of different high-tech firms reduces market power and leads to higher growth but reduces job prospects. On the other hand, if barriers to entry exist, an increase of the number of rivals in the market (due to removal of entry barriers) leads to lower growth, whereas the effect on aggregate employment is ambiguous.     

√n-CONSISTENT ESTIMATION IN A RANDOM COEFFICIENT AUTOREGRESSIVE MODEL

This paper deals with √n-consistent estimation of the parameter μ in the RCAR(l) model defined by the difference equation X_j=(μ+U_j)X_j-l+ej (jε Z), where {e_j: jε Z} and {U_j: jε Z} are two independent sets of i.i.d. random variables with zero means, positive finite variances and E[(μ+U₁)²] < 1. A class of asymptotically normal estimators of μ indexed by a family of bounded measurable functions is introduced. Then an estimator is constructed which is asymptotically equivalent to the best estimator in that class. This estimator, asymptotically equivalent to the quasi-maximum likelihood estimator derived in Nicholls & Quinn (1982), is much simpler to calculate and is asymptotically normal without the additional moment conditions those authors impose.