Helen Scarborough

Enhancing the learning environment for distance education students

This paper reports on the development of an asynchronous learning environment for the teaching of introductory macroeconomics to approximately 200 distance education students. The research supports evidence in the current literature that computer mediated communication and in particular, collaborative learning, can make a positive difference to the educational experience of some students. These findings are based on both quantitative and qualitative data gained from student evaluations, participation levels, staff interviews and an analysis of the online communication. The discussion centres on the extent of collaboration, the role of assessment, adaptation of curriculum and pedagogy and the students’ attitudes to economics.

Economic value of mitigation of plant invaders in a subsistence economy : incorporating labour as a mode of payment

This paper presents the analysis of a choice experiment designed to estimate willingness-to-pay (WTP) to mitigate damages caused by invasive plant species in a rural community of Nepal. In order to address the cash constraints problem in a subsistence economy, two payment attributes, labour contribution and membership fee , were included in the choice sets. The results reveal that rural farmers have significant WTP for forest management activities, in terms of both cash and labour contributions. The results also suggest that rural farmers value their time in this context at a different rate from the current wage rate.

Intergenerational equity and the social discount rate

Recent modelling of the costs and benefits of climate change has renewed debate regarding assumptions for the social discount rate in analysing the impacts of environmental change. Previous literature suggests two key factors influence estimates of the social discount rate: the rate of pure time preference and the elasticity of marginal utility of future consumption. These components of the social discount rate reinforce the linkages between the choice of social discount rate and intergenerational distribution. This paper addresses the question of the relationship between intergenerational equity and the social discount rate and promotes the application of intergenerational distributional weights as a means of incorporating intergenerational equity preferences in policy analysis. Intergenerational equity-adjusted social discount rates are derived as a means of decomposing the intergenerational equity aspect of the social discount rate. The work has significant policy implications for projects with long time frames given the sensitivity of Cost Benefit Analysis outcomes to decisions regarding the social discount rate.

Understanding the Effects of the Invasive Plants on Rural Forest-dependent Communities

Most of the studies on invasive species are disproportionately focused on their ecological effects and more investigations are needed to understand the effects of invasive plants on rural livelihoods. This study assesses the effects of the invasion of Mikania micrantha—an invasive vine—on the livelihoods of the buffer zone community forest users of Chitwan National Park, Nepal. In this study, the invasive plants are categorized based on their life-form (woody and non-woody) and mode of introduction (accidental or deliberate). The focus is on accidentally transported non-woody species. A household survey revealed that the invasion disproportionately affects the livelihoods of forest-dependent households. In addition, the livelihood effects of invasive plants are particularly determined by the suitability of the invasive plants to produce locally important forest products.

Cost–Benefit Analysis and Distributional Preferences

Advancing the incorporation of equity preferences in policy analysis, this book demonstrates the application of choice modelling to the estimation of distributional weights suitable for inclusion in a cost–benefit analytical framework. A platform for discussion of the challenges and opportunities of this approach is presented in the form of a detailed case study designed to estimate community preferences for different intergenerational distributions. While the case study is focused on natural resource management and environmental policy, the conceptual and methodological advances illustrated by the authors are relevant and applicable to a wider array of policy deliberations.

Exploring the economic viability of using constructed wetlands to manage waste-water in the dairy industry

ABSTRACT Industry faces increasing problems in dealing with waste products resulting from production processes. One specific problem is that of waste-water, where the management of production process waste often imposes costs, not only to the firm, but also to society. This article addresses the management of industry waste-water, from the perspective of both the individual firm and society in general, by analysing a case study of a dairy factory. Construction costs of horizontal subsurface flow wetlands of a sufficient size to treat a dairy factory’s process waste-waters are estimated. Short-term profitability objectives do not prompt project development, however, over the long term, some of the project options modelled reveal both a net private benefit and a net social benefit. In the absence of estimated externalities, projects become viable after 11 years (2 per cent discount rate), and 16 years (7 per cent discount rate). Without some form of environmental policy, no project options will be considered because of the company’s four-year return on investment rule. This highlights the policy dilemma associated with sharing the burden of the costs of improved environmental outcomes between the private and public sectors.

Australian government budget balance numbers: The hybrid nature of public sector accrual accounting

Purpose - – The purpose of this paper is to analyse the nature and comparability of budget balance (surplus/deficit) numbers headlined by the Australian Commonwealth Government and the governments of the six Australian States and the two Australian Territories. It does this in the context of the transition to Australian accounting standard AASB 1049 Whole of Government and General Government Sector Financial Reporting. Design/methodology/approach - – A case study research method is adopted, based on a content/documentary analysis of the headline budget balance numbers in the general government sector budget statements of each of the nine governments for the eight financial years from 2004-2005 to 2011-2012. Findings - – Findings indicate some variation in the measurement bases adopted and a number of departures from the measurement bases prescribed in the reporting frameworks, including AASB 1049. Findings also reveal that none of the nine governments have headlined a full accrual based budget balance number since the implementation of AASB 1049 in 2008. Research limitations/implications - – While the study focuses on the Australian general government sector environment, it has significant implications in highlighting the ambiguity in the government budget balance numbers presented and the monitoring and information asymmetry problems that can arise. Research findings have wider relevance internationally in highlighting issues arising with the public sector adoption of accrual accounting. Practical implications - – The paper highlights the manner in which governments have been selective in the manner in which they present important budget aggregates. This has important practical and social implications, as the budget balance number is one of the most important measures used to evaluate a government’s fiscal management and responsibility. Originality/value - – The paper represents the first detailed examination of aspects of the effect of the transition to AASB 1049.