ORCID Profile
0000-0002-2313-8630
Current Organisation
University of South Australia
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In Research Link Australia (RLA), "Research Topics" refer to ANZSRC FOR and SEO codes. These topics are either sourced from ANZSRC FOR and SEO codes listed in researchers' related grants or generated by a large language model (LLM) based on their publications.
Natural Resource Management | Agricultural Economics | Environment and Resource Economics | Applied Economics
Institutional Arrangements for Environmental Protection | Climate Change Mitigation Strategies | Economic Incentives for Environmental Protection |
Publisher: Elsevier BV
Date: 11-2008
Publisher: Elsevier BV
Date: 02-2016
Publisher: Royal Society of Chemistry (RSC)
Date: 2014
DOI: 10.1039/C3RA46641H
Publisher: The Royal Society
Date: 08-2018
DOI: 10.1098/RSOS.180390
Abstract: According to a popular model of self-control, willpower depends on a limited resource that can be depleted when we perform a task demanding self-control. This theory has been put to the test in hundreds of experiments showing that completing a task that demands high self-control usually hinders performance in any secondary task that subsequently taxes self-control. Over the last 5 years, the reliability of the empirical evidence supporting this model has been questioned. In the present study, we reanalysed data from a large-scale study—Many Labs 3—to test whether performing a depleting task has any effect on a secondary task that also relies on self-control. Although we used a large s le of more than 2000 participants for our analyses, we did not find any significant evidence of ego depletion: persistence on an anagram-solving task (a typical measure of self-control) was not affected by previous completion of a Stroop task (a typical depleting task in this literature). Our results suggest that either ego depletion is not a real effect or, alternatively, persistence in anagram solving may not be an optimal measure to test it.
Publisher: Wiley
Date: 23-09-2015
DOI: 10.1111/GCB.13020
Abstract: Competition for land is increasing, and policy needs to ensure the efficient supply of multiple ecosystem services from land systems. We modelled the spatially explicit potential future supply of ecosystem services in Australia's intensive agricultural land in response to carbon markets under four global outlooks from 2013 to 2050. We assessed the productive efficiency of greenhouse gas emissions abatement, agricultural production, water resources, and bio ersity services and compared these to production possibility frontiers (PPFs). While interacting commodity markets and carbon markets produced efficient outcomes for agricultural production and emissions abatement, more efficient outcomes were possible for water resources and bio ersity services due to weak price signals. However, when only two objectives were considered as per typical efficiency assessments, efficiency improvements involved significant unintended trade-offs for the other objectives and incurred substantial opportunity costs. Considering multiple objectives simultaneously enabled the identification of land use arrangements that were efficient over multiple ecosystem services. Efficient land use arrangements could be selected that meet society's preferences for ecosystem service provision from land by adjusting the metric used to combine multiple services. To effectively manage competition for land via land use efficiency, market incentives are needed that effectively price multiple ecosystem services.
Publisher: Elsevier BV
Date: 02-2023
Publisher: Springer Science and Business Media LLC
Date: 07-05-2022
DOI: 10.1186/S40066-022-00365-6
Abstract: High-yielding variety (HYV) seed breeding has been one key approach to improving agricultural productivity and to reduce global hunger and poverty. This paper explores the causal relationship between high-yielding rice variety, rice productivity, farm income and household nutrition. A challenge with evaluating the impact of changes such as crop varieties on yield is self-selection and endogeneity. This article robustly identifies marginal input contributions, correcting for self-selection potential by applying matched Difference in Difference method. We found that the farms that switched from local to HYV, experienced around 35% higher yield and 76% higher profit from Aman rice than non-adopting farms. More calorie intake, more protein and especially higher fruit and vegetable intake meant less calorie poverty for adopted households. This recent evidence suggests improved seed remains a high potential return investment for regions of the world where smallholder farming and malnutrition is a wider phenomenon.
Publisher: Elsevier BV
Date: 04-2022
Publisher: Routledge
Date: 20-12-2007
Publisher: IWA Publishing
Date: 19-10-2021
DOI: 10.2166/WP.2021.114
Abstract: Hydro-economic models (HEMs) are powerful tools to analyze water scarcity, drought, and water management problems. Though several HEMs reviews have been conducted in the recent past, none of them focused on the management of transboundary river water disputes, benefit sharing, or trade-offs. Therefore, this review explored how HEMs can suggest mitigating water sharing disputes on transboundary rivers. Though more than 300 HEMs have been developed worldwide, very few focused on transboundary river water disputes. After vigorous screening at Google Scholar, only 25 articles were found which focused on transboundary river water disputes. Most HEMs that were reviewed proposed to share benefits such as sharing hydropower produced from the river, reallocating water from low-value agriculture to high-value agriculture or managed operation of the dam, or other monetary compensation. But no study assessed non-water sector benefit sharing such as trade or transit. Most HEMs focused on irrigation and hydropower which are benefits from the river and very few studies focused on fisheries, environment, and wetland which are benefits to the river. International rivers can act as a catalyst among the riparian countries and promote cooperation in trade, commerce, exchange of technologies, and other fields. HEMs can play an important role in this regard. It is to be mentioned that HEMs cannot resolve water conflicts in a shared basin, they only can propose for the options of solution.
Publisher: IWA Publishing
Date: 19-03-2014
DOI: 10.2166/WP.2014.128
Abstract: Governments are developing policy to reallocate water to environmental uses in many of the world's major river basins developed for irrigation. These policies can place considerable pressure on the irrigation sector to adjust, and may be perceived to conflict with food security and rural development goals. This paper reviews the literature examining opportunities to reduce irrigation district and third party externalities associated with rapid adjustment to water reallocation, with emphasis on recent water reform in the Murray–Darling Basin (MDB), Australia. We focus on opportunities to improve joint environmental and regional economic outcomes, by targeting and sequencing policy instruments operating at different scales.
Publisher: Elsevier BV
Date: 10-2014
Publisher: Elsevier BV
Date: 10-2018
Publisher: Elsevier BV
Date: 11-2014
Publisher: WIT Press
Date: 11-12-2012
DOI: 10.2495/SI120041
Publisher: Elsevier BV
Date: 09-2015
DOI: 10.1016/J.JENVMAN.2015.07.004
Abstract: Discounted cash flow analysis, including net present value is an established way to value land use and management investments which accounts for the time-value of money. However, it provides a static view and assumes passive commitment to an investment strategy when real world land use and management investment decisions are characterised by uncertainty, irreversibility, change, and adaptation. Real options analysis has been proposed as a better valuation method under uncertainty and where the opportunity exists to delay investment decisions, pending more information. We briefly review the use of discounted cash flow methods in land use and management and discuss their benefits and limitations. We then provide an overview of real options analysis, describe the main analytical methods, and summarize its application to land use investment decisions. Real options analysis is largely underutilized in evaluating land use decisions, despite uncertainty in policy and economic drivers, the irreversibility and sunk costs involved. New simulation methods offer the potential for overcoming current technical challenges to implementation as demonstrated with a real options simulation model used to evaluate an agricultural land use decision in South Australia. We conclude that considering option values in future policy design will provide a more realistic assessment of landholder investment decision making and provide insights for improved policy performance.
Publisher: MDPI AG
Date: 10-06-2014
DOI: 10.3390/W6061662
Publisher: Informa UK Limited
Date: 10-10-2008
Publisher: CSIRO
Date: 2015
Publisher: Informa UK Limited
Date: 12-2013
Publisher: Elsevier BV
Date: 07-2015
Publisher: IWA Publishing
Date: 14-08-2012
DOI: 10.2166/WP.2012.120
Abstract: A reform process is underway in the Murray–Darling Basin (Australia) to reallocate water from irrigated agriculture to the environment. The scale, complexity and politics of the recovery process have prompted interest in the role of local environmental water managers within state and federal governance arrangements. This paper examines prospects for a local role in environmental water management through the lens of the subsidiarity principle: the notion that effective governance devolves tasks to the lowest level with the political authority and capacity to perform them. The article defines and applies the subsidiarity principle to assess evolving federal–state–local interactions in environmental water policy, planning and practice in Australia's Murray–Darling River. In this context, subsidiarity is useful to clarify institutional roles and their coordination at a whole-of-river level. This analysis demonstrates opportunities for a local role in information gathering, innovation and operational flexibility to respond to opportunities in real time. It identifies significant limits to local action in upstream–downstream tradeoffs, economies of scale, capacity building and cost sharing for basin-wide or national interests, and accountability mechanisms to balance local, state and national rights and responsibilities. Lessons are relevant internationally for regions confronting complex allocation tradeoffs between human and environmental needs within multi-jurisdictional federal systems.
Publisher: Elsevier BV
Date: 06-2019
Publisher: Elsevier BV
Date: 04-2017
Publisher: Springer Science and Business Media LLC
Date: 06-12-2009
Publisher: American Geophysical Union (AGU)
Date: 09-1999
DOI: 10.1029/1999WR900128
Publisher: American Geophysical Union (AGU)
Date: 07-2011
DOI: 10.1029/2010WR010195
Publisher: Elsevier BV
Date: 07-2013
Publisher: MDPI AG
Date: 31-07-2022
DOI: 10.3390/SU14159385
Abstract: Although many studies have assessed the impact of extension, most treat the presence or absence of extension as a binary variable to test treatment effects, and fewer investigate how the type of provider (e.g., govt. rivate) and the frequency of the contact (number of extension visits) impact farm household welfare. To address this knowledge gap, this article investigates the impact of agricultural extension access, frequency, and provider type on chemical fertilizer application, crop yield, and profit. Data from a nationwide survey in 2015 in Bangladesh, a case country with a heavy over-application of urea fertilizer, are the basis for the endogenous switching regression approach to control for potential self-selection and endogeneity. The empirical results revealed significant differences in the outcomes for farmers who had just one extension contact, more than one extension contact, and those who accessed private provisions. We found that farmers who frequently accessed extension used significantly less urea fertilizer than farmers who accessed extension only once. Farmers who accessed extension more frequently also experienced a statistically significantly higher yield and profit from cropping. Private extension access appeared to result in statistically significantly higher incomes but not reduced urea fertilizer application rates. Our results suggest that a more nuanced understanding can be gained from extension source and frequency treatment effects modelling than with the presence or absence of the extension binary variable formulation that is most common in the literature.
Publisher: Elsevier BV
Date: 09-2014
Publisher: Elsevier BV
Date: 11-2014
Publisher: CSIRO Water for a Healthy Country Flagship
Date: 2012
Publisher: World Scientific Pub Co Pte Lt
Date: 09-2015
DOI: 10.1142/S2382624X15500095
Abstract: In an earlier paper (Kirby et al. 2014a), we showed that climate change and a new policy which reallocates water to the environment will impact both the flow of water and the income derived from irrigation in the Murray–Darling Basin. Here, we extend the analysis to consider irrigator and environmental water management strategies to adapt to these new circumstances. Using an integrated hydrology-economics model, we examine a range of strategies and their impact on flows and the gross income of irrigation. We show that the adaptation strategies provide a range of flow and economic outcomes in the Basin. Several strategies offer significant scope to enhance flows without large adverse impacts on the gross income of irrigation overall. Some environmental water management strategies enhance flows in the Murray part of the basin even under the drying influence of a projected median climate change. Irrigator strategies that include carryover of water in storage from one year to the next provide for lesser year to year variability in gross income and may be regarded as more advantageous in providing security against droughts. Flows and the gross income of low value irrigation industries strategies are sensitive to climate change, irrespective of adaptation strategy. Should a projected dry extreme climate change be realized, no strategy can prevent a large reduction in flows and also in gross income, particularly of low value irrigation industries. Nevertheless, environmental water management strategies mitigate the impact on flows, and in some cases may also help mitigate the impacts on gross income. High value irrigation industries are less affected (in terms of gross income, though net income will reduce because of rising water prices) by projected climate change, consistent with observation in the recent long term drought.
Publisher: American Geophysical Union (AGU)
Date: 04-2010
DOI: 10.1029/2008WR007445
Publisher: SAGE Publications
Date: 20-07-2016
Abstract: The idea behind ego depletion is that willpower draws on a limited mental resource, so that engaging in an act of self-control impairs self-control in subsequent tasks. To present ego depletion as more than a convenient metaphor, some researchers have proposed that glucose is the limited resource that becomes depleted with self-control. However, there have been theoretical challenges to the proposed glucose mechanism, and the experiments that have tested it have found mixed results. We used a new meta-analytic tool, p-curve analysis, to examine the reliability of the evidence from these experiments. We found that the effect sizes reported in this literature are possibly influenced by publication or reporting bias and that, even within studies yielding significant results, the evidential value of this research is weak. In light of these results, and pending further evidence, researchers and policymakers should refrain from drawing any conclusions about the role of glucose in self-control.
Publisher: Elsevier BV
Date: 10-2021
Publisher: Elsevier BV
Date: 08-2018
Publisher: Informa UK Limited
Date: 20-04-2020
Publisher: Elsevier BV
Date: 05-2017
DOI: 10.1016/J.JENVMAN.2017.01.049
Abstract: The economics of establishing perennial species as renewable energy feedstocks has been widely investigated as a climate change adapted ersification option for landholders, primarily using net present value (NPV) analysis. NPV does not account for key uncertainties likely to influence relevant landholder decision making. While real options analysis (ROA) is an alternative method that accounts for the uncertainty over future conditions and the large upfront irreversible investment involved in establishing perennials, there have been limited applications of ROA to evaluating land use change decision economics and even fewer applications considering climate change risks. Further, while the influence of spatially varying climate risk on biomass conversion economic has been widely evaluated using NPV methods, effects of spatial variability and climate on land use change have been scarcely assessed with ROA. In this study we applied a simulation-based ROA model to evaluate a landholder's decision to convert land from agriculture to biomass. This spatially explicit model considers price and yield risks under baseline climate and two climate change scenarios over a geographically erse farming region. We found that underlying variability in primary productivity across the study area had a substantial effect on conversion thresholds required to trigger land use change when compared to results from NPV analysis. Areas traditionally thought of as being quite similar in average productive capacity can display large differences in response to the inclusion of production and price risks. The effects of climate change, broadly reduced returns required for land use change to biomass in low and medium rainfall zones and increased them in higher rainfall areas. Additionally, the risks posed by climate change can further exacerbate the tendency for NPV methods to underestimate true conversion thresholds. Our results show that even under severe drying and warming where crop yield variability is more affected than perennial biomass plantings, comparatively little of the study area is economically viable for conversion to biomass under $200/DM t, and it is not until prices exceed $200/DM t that significant areas become profitable for biomass plantings. We conclude that for biomass to become a valuable ersification option the synchronisation of products and services derived from biomass and the development of markets is vital.
Publisher: MDPI AG
Date: 20-07-2023
DOI: 10.3390/W15142630
Abstract: There are more than 260 transboundary rivers in the world, which are sometimes the cause of conflict. Therefore, management of these rivers is important not only for the economy but also for harmony and peace. Various methods are followed to resolve water-sharing disputes. A systematic review was carried out to determine how water disputes are resolved. It was found that cooperation, mediation, perfect river basin organisation, a proper monitoring system, information exchange, and benefit-sharing are the keys to success. On the other hand, non-cooperation, disregard of international water laws, water hegemony, imbalance of military power, and the absence of a proper institution, mediator, or benefit-sharing approach are the causes for failure of transboundary river management. This study also summarised the evaluation report of the river basin management and diagnosed whether the riparian countries are successful in conflict management, diagnosing 53% of the river basins as successful, 35% as unsuccessful, and 12% as neutral (neither successful nor unsuccessful). This result indicates that there is dissatisfaction with 35% transboundary rivers of the world. It was also revealed that the most frequently identified mode for resolving water conflict is benefit-sharing.
Publisher: Elsevier BV
Date: 09-2019
Publisher: Elsevier BV
Date: 02-2016
Publisher: Springer Netherlands
Date: 2013
Publisher: CSIRO
Date: 2011
Publisher: Wiley
Date: 07-12-2011
Publisher: Elsevier BV
Date: 05-2012
Publisher: American Geophysical Union (AGU)
Date: 03-2008
DOI: 10.1029/2006WR005745
Publisher: Elsevier BV
Date: 10-2015
Publisher: Springer Netherlands
Date: 2013
Publisher: Elsevier BV
Date: 07-2016
Publisher: Elsevier BV
Date: 09-2020
Publisher: Wiley
Date: 08-03-2015
DOI: 10.1111/GCBB.12145
Publisher: Elsevier BV
Date: 12-2014
DOI: 10.1016/J.JENVMAN.2014.05.024
Abstract: Increasingly, water agencies and utilities have an obligation to consider the broad environmental impacts associated with investments. To aid in understanding water cycle interdependencies when making urban water supply investment decisions, an ecosystem services typology was augmented with the concept of integrated water resources management. This framework is applied to stormwater harvesting in a case study catchment in Adelaide, South Australia. Results show that this methodological framework can effectively facilitate systematic consideration and quantitative assessment of broad environmental impacts of water supply investments. Five ecosystem service impacts were quantified including provision of 1) urban recreational amenity, 2) regulation of coastal water quality, 3) salinity, 4) greenhouse gas emissions, and 5) support of estuarine habitats. This study shows that ignoring broad environmental impacts can underestimate ecosystem service benefits of water supply investments by a value of up to A$1.36/kL, or three times the cost of operating and maintenance of stormwater harvesting. Rigorous assessment of the public welfare impacts of water infrastructure investments is required to guide long-term optimal water supply investment decisions. Numerous challenges remain in the quantification of broad environmental impacts of a water supply investment including a lack of peer-reviewed studies of environmental impacts, aggregation of incommensurable impacts, potential for double-counting errors, uncertainties in available impact estimates, and how to determine the most suitable quantification technique.
Publisher: American Geophysical Union (AGU)
Date: 07-2013
DOI: 10.1002/WRCR.20323
Publisher: Public Library of Science (PLoS)
Date: 10-02-2015
Publisher: Springer Science and Business Media LLC
Date: 06-11-2009
Publisher: Wiley
Date: 09-2007
Publisher: Elsevier BV
Date: 09-2013
Publisher: CSIRO
Date: 2015
Publisher: Elsevier BV
Date: 2018
Publisher: Elsevier BV
Date: 07-2012
Publisher: Edward Elgar Publishing
Date: 30-03-2012
Publisher: Wiley
Date: 23-02-2023
Abstract: The Green Triangle (GT) region of southern Australia is one of only two jurisdictions globally to licence plantation forestry's groundwater use. In response to declines in groundwater resources caused by historical plantation expansion, reductions in forest water allocations (~50%) are likely for some parts of the region, presenting novel challenges for forest managers in maintaining revenues and timber flows. This article presents a mathematical programming model evaluation of water trade opportunities for plantation forest owners to adapt to reduced water entitlements and explores how tightening groundwater policy could affect forestry returns and land use mix for the region. Results suggest that even absent opportunity to sell water, relatively limited 11% reduction in return could be expected for a large (−50%) water entitlement and (−48%) land‐use change out of forestry. Results suggest that opportunities for forestry companies to sell water entitlements may allow them to maintain or even increase combined returns from forestry and water sales. Whilst the results highlight the adaptive capacity of the plantation forestry sector to operate within reduced water entitlement, a significant sectoral and regional economy adjustment would be likely. The discussion focusses on the potential to realise optimisation model‐identified adaptation opportunities accounting for real‐world thin markets, transaction costs and market friction.
Publisher: Wiley
Date: 28-08-2008
Publisher: Elsevier BV
Date: 05-2016
Publisher: Edward Elgar Publishing
Date: 25-09-2015
Publisher: Springer Netherlands
Date: 2013
Publisher: Wiley
Date: 2005
DOI: 10.1002/IRD.189
Publisher: Elsevier BV
Date: 12-2016
Publisher: Elsevier BV
Date: 04-2010
Publisher: Informa UK Limited
Date: 27-06-2016
Publisher: Elsevier BV
Date: 11-2019
Publisher: American Geophysical Union (AGU)
Date: 07-1995
DOI: 10.1029/95WR00974
Publisher: Wiley
Date: 12-04-2021
DOI: 10.1111/GCB.15613
Publisher: Elsevier BV
Date: 07-2013
Publisher: Elsevier BV
Date: 02-2010
Publisher: American Geophysical Union (AGU)
Date: 07-1989
Publisher: Elsevier BV
Date: 12-2015
Publisher: Springer Science and Business Media LLC
Date: 07-2018
DOI: 10.1038/S41586-018-0280-2
Abstract: China has responded to a national land-system sustainability emergency via an integrated portfolio of large-scale programmes. Here we review 16 sustainability programmes, which invested US$378.5 billion (in 2015 US$), covered 623.9 million hectares of land and involved over 500 million people, mostly since 1998. We find overwhelmingly that the interventions improved the sustainability of China's rural land systems, but the impacts are nuanced and adverse outcomes have occurred. We identify some key characteristics of programme success, potential risks to their durability, and future research needs. We suggest directions for China and other nations as they progress towards the Sustainable Development Goals of the United Nations' Agenda 2030.
Publisher: Elsevier BV
Date: 2016
Publisher: Elsevier BV
Date: 03-2010
Publisher: World Scientific Pub Co Pte Lt
Date: 14-02-2017
DOI: 10.1142/S2382624X16500429
Abstract: Hydro-economic modeling is the combination of economic principles and hydrological modeling to achieve a more integrated representation of water resource management. In the Murray–Darling Basin (MDB), hydro-economic modeling has been widely used to analyze and inform basin-wide water policy. A growing but uneven literature base has prompted this review of MDB hydro-economic studies published over the past three decades to identify innovations and avenues for advancement. We focus particularly on the treatment of uncertainty, which is inherent in all modeling. While consideration of uncertainty is increasing in prominence, our review indicates the robust treatment of epistemic and stochastic uncertainty have not been fully integrated in the hydro-economic modeling literature. When hydro-economic modeling results are used to inform policy, treatment of uncertainty has both technical and political implications. We conclude that the methodological rigor of MDB hydro-economic modeling can be vastly improved with greater attention to quantifying, reducing and communicating uncertainties inherent in the modeling of water resources.
Publisher: Wiley
Date: 22-06-2009
Publisher: Springer Netherlands
Date: 2013
Publisher: CSIRO Land and Water
Date: 2012
Publisher: Springer Science and Business Media LLC
Date: 22-08-2018
Publisher: WIT Press
Date: 27-05-2008
DOI: 10.2495/SI080051
Start Date: 01-2021
End Date: 01-2024
Amount: $201,858.00
Funder: Australian Research Council
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