Volunteer Labour Supply: the role of workers' motivations

Abstract In this paper we study the determinants of volunteering. We depart from previous literature that considers only economic incentives and investigate the role that extrinsic and intrinsic motivations play in shaping the supply of voluntary labour. We build on previous theoretical research and derive a framework for interpreting results from our econometric analysis. We consider a sample of Italian workers of which we can observe proxies of motivations and volunteering choices in three different sectors: social services, political activism and union activism. We make due allowance for the endogeneity of motivations and show that both types of motivations have an effect on volunteering. Consistently with theoretical models, we find extrinsic motivations to lower voluntary labour supply, whereas the opposite holds for intrinsic motivations .     

Children, Labour Supply and Child Care: Challenges for Empirical Analysis

The aim of this article is to give an overview of the important issues relating to the labour supply of the primary carer in a household. Child care plays a central role in allowing the primary carer time away from the young children in a household. Therefore, child-care use is a central topic of this article, as well. There are a number of different aspects to child care, such as the price, quality, availability and type of service. This article discusses the analytical problems and challenges, taking Australian data, policy and experience as a focus, but drawing on a wide range of international empirical studies. It reports the results from previous research on child-care use and labour supply and it outlines the areas requiring more study. The focus of the article is on economic research.     

The Supply of Skilled Labour and Skill-biased Technological Progress

This paper presents a model in which the adoption of skill-biased or 'unskilled-biased' technologies is endogenous. In this model of endogenous technology choice, an increase in the supply of skilled labour leads to a temporary fall in the skill premium, followed by an expanding gap between the wages of skilled and unskilled workers as technologies adjust towards the more skill-intensive mix appropriate for the greater skill of the workforce. The adjustment in the technology mix results in slower output growth along the transition path.     

Subsidised Training and Youth Employment: Distinguishing Unobserved Heterogeneity from State Dependence in Labour Market Histories

Using the 1990–2 wave of the French Labour Force Survey to study the employment histories of young people I consider transitions between six labour market states: employment contracts whether permanent or temporary, unemployment, training, education and non-participation. I use a fixed effect estimator in a dynamic multinomial logit model which can accommodate any form of unobserved heterogeneity in levels. This analysis can be extended to Markov processes of any order. I relate heterogeneity components to individual and family characteristics by using simulated maximum likelihood methods. These procedures allow evaluation of the effects training schemes have on youth employment histories.     

论城乡二元教育与劳动力异质性

从教育经济学角度研究我国二元经济下城乡教育差异对劳动力的影响.我国的教育投资体系使城乡二元经济放大地投射到教育领域,引起城乡教育一系列不对称,形成二元教育.在二元教育下,农村学生接受较低质基础教育,基础知识薄弱,学习能力差,进入劳动力市场后对生产技能掌握不足;同时在进入更高层次教育的选拔考试中处于劣势,在受教育的质量和数量两方面都低于城市学生,最终导致低生产率,形成城乡劳动力异质性.在二元经济下,应对农村教育实行倾斜性政策,加大农村基础教育投入,弱化城乡教育二元化,逐渐消除城乡劳动力整体性差异.     

Demand for Childcare Services and Labour Supply in Australian Families

This article provides empirical findings on non-parental childcare use and simulates the effect of childcare costs on labour supply in Australia.     

Take–up of Means–tested Benefits and Labour Supply

This paper examines take–up rates in a model in which there is a fixed non–refundable cost of applying for benefits. The model involves a joint decision regarding both labour supply and the take–up of the benefit. There is a single means–tested benefit involving a 'taper rate' at which benefits are withdrawn as earnings increase. It is found that take–up increases as the level of the taper rate increases, and the value of benefits increases. The achievement of 100% take–up is associated with labour supply responses whereby there are few, if any, individuals who are both working and eligible for benefits. The results have implications for the effects of lowering the taper rate on the costs and effective targeting of benefits.     

The Effect of Work Experience on Female Wages and Labour Supply

This paper develops and implements a semiparametric estimator for investigating, with panel data, the importance of human capital and time nonseparable preferences to females when aggregate shocks are present. It provides a set of conditions for making statistical inferences about agents' expectations of their correlated future choices, from a short panel. Under the assumption that observed allocations are Pareto optimal, a dynamic model of female labour supply and participation is estimated, in which experience on the job raises future wages, and time spent off the job in the past directly affects current utility (or, indirectly through productivity in the no-market sector).     

Female Labour Supply, Flexibility of Working Hours, and Job Mobility

Traditional labour supply models do not address to what extent working hours are constrained within jobs, and to what extent working hours can be adjusted by means of changing employer. This paper measures the flexibility of working hours within and between jobs by relating subjective information on individual preferences to adjustments in working hours. Empirical analysis based on a sample of employed women in the Dutch Socio-Economic Panel (1987–9) shows that the flexibility of working hours within jobs is low.     

Welfare Reform and the Labour Supply of Lone Parents in Australia: A Natural Experiment Approach

Large shifts in the labour supply of lone parents in Australia were observed between 1986 and 1990. Changes in the observed characteristics of lone parents explain only a small portion of these shifts. Propensity score matching and difference-in-differences are used to estimate the effects of the substantial policy shifts implemented in 1987. Control groups are constructed from the sample of married mothers. Results suggest that the policy reforms caused a substantial increase in the employment of lone parents while causing a reduction in the hours of work among the workers.     

Capital Inflow in the Presence of Endogenous Labour Supply and Monopolistic Competition

This paper examines the impact of capital mobility within the context of a simple general equilibrium model where the supply of labour is endogenous and the producer services sector is subject to monopolistic competition. It is shown that the presence of monopolistic competition influences the size of all comparative static results. The paper also shows that the size of the elasticity of substitution between leisure and consumption of the final good plays a crucial role in determining the impact of changes in the supply of capital on utility-maximising labour supply and welfare. Specifically, it is shown that capital mobility has no impact on optimal labour supply if the elasticity of substitution is equal to unity. The impact of a small capital inflow on welfare can be negative if the elasticity of substitution is sufficiently larger than unity.     

Wage Differentials and Labour Supply of Married Women in Japan: Part-time and Informal Sector Work Opportunities

This paper studies the pattern of labour supply of Japanese married women. The study develops and tests a discrete work choice model with a differing level of fixed cost of work and equalizing wage differential s. This accounts for differences in work characteristics of the regular status and part-time status work at firms, the family and self-employment. A 20 to 30 per cent hourly wage differential was obser ved between work categories with control on skills, region and other variables. Different effects are studied of the numbe r and ages of children, a grandmother's presence and the wife's educational attainments on the category of work selected.
The data employed come from The Occupational History and Mobility Survey of Women 1983 (OHMS), conducted by the National Institute for Vocational and Occupational Research, and allow detailed wage regression and consideration of different work categories which were not feasible in previous works. Empirical regulari ties of the Japanese labour market, such as the absence of growth in labour participation for mothers with small children, are better explained when work categories are dealt with separately.     

Hurdle and Latent Class Approaches to Serial Non-Participation in Choice Models

In repeated choice modelling studies, it is often the case that individuals always select the status quo option. Although this pattern may reflect considered choices, they may also be the result of alternative decisions about whether to participate in the choice process at all. Alternative methods of dealing with this behaviour, each with associated implications for estimates of economic values, are presented. In particular we consider the alternative strategies of excluding such individuals from the data, using hurdle models to explicitly model this group, and propose the use of latent class models to endogenously allow for different preference structures. An advantage of the latent class approach is that the form of the non-participation need not be defined in advance. These approaches are considered using UK choice experiment data on food choices where the attributes include genetic modification of food. The latent class approach reveals the presence of two forms of non-participation in the data. This paper draws work commissioned by UK Department of Environment Food and Rural Affairs (DEFRA). The views presented in this paper are those of the authors alone and should not be regarded as those of DEFRA or of individuals within DEFRA.