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- Akpalu, Wisdom, et al.
(författare)
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Public disclosure for carbon abatement : African decision-makers in a PROPER public good experiment
- 2017
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Ingår i: Climate and Development. - : Taylor & Francis. - 1756-5529 .- 1756-5537. ; 9:6, s. 548-558
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Tidskriftsartikel (refereegranskat)abstract
- linear public good experiment adopted from Holt and Laury [1997. Classroom games: Voluntary provision of a public good. Journal of Economic Perspectives, 11(4), 209–215.] has been employed to investigate strategic behaviour in pollution abatement among African climate decision-makers. The experiment consisted of three groups, of which groups 2 and 3 received one and two treatments, respectively. The first treatment entailed publicly disclosing the pollution of each member of a group by placing a corresponding colour-coded card in front of each subject, while the second involved the withdrawal of the public disclosure. Group 2 received the first treatment; Group 3 received both the first and second treatments in succession. We found that the untreated group (baseline) polluted more than the two treated groups, and there was no statistically significant difference between the pollution abatement of the two treated groups. These results suggest that public disclosure potentially drives pollution abatement and that its eventual withdrawal does not obliterate abatement behaviour. We did not observe conditional cooperation but average pollution declined over time. Furthermore, individuals who thought it was unfair for Africa to reduce emissions polluted more. We also found that pollution levels differ significantly between males and females.
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| 2. |
- Anderson, J. L., et al.
(författare)
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The Fishery Performance Indicators: A Management Tool for Triple Bottom Line Outcomes
- 2015
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Ingår i: Plos One. - : Public Library of Science (PLoS). - 1932-6203. ; 10:5
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Tidskriftsartikel (refereegranskat)abstract
- Pursuit of the triple bottom line of economic, community and ecological sustainability has increased the complexity of fishery management; fisheries assessments require new types of data and analysis to guide science-based policy in addition to traditional biological information and modeling. We introduce the Fishery Performance Indicators (FPIs), a broadly applicable and flexible tool for assessing performance in individual fisheries, and for establishing cross-sectional links between enabling conditions, management strategies and triple bottom line outcomes. Conceptually separating measures of performance, the FPIs use 68 individual outcome metrics-coded on a 1 to 5 scale based on expert assessment to facilitate application to data poor fisheries and sectors-that can be partitioned into sectorbased or triple-bottom-line sustainability-based interpretative indicators. Variation among outcomes is explained with 54 similarly structured metrics of inputs, management approaches and enabling conditions. Using 61 initial fishery case studies drawn from industrial and developing countries around the world, we demonstrate the inferential importance of tracking economic and community outcomes, in addition to resource status.
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| 3. |
- Thangavelu, Tharshini
(författare)
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Essays on Malnutrition, Savings and Preferences
- 2018
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Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
- This thesis consists of an introductory part and four self-contained papers addressing three different topics in economics, namely preferences, savings and malnutrition. In Paper I, an instrumental variable approach was employed to analyse how malnutrition affects children’s psychosocial abilities. The study looked specifically at children’s aspirations, self-esteem and self-efficacy. The children’s level of malnutrition was measured by the most commonly used measurement, namely the height-for-age Z score (HAZ). Young Lives panel data from Andhra Pradesh, India, as well as self-reported drought variables were employed as instruments to isolate the causal path. Consistent with previous evidence, the current study’s first-stage relationship showed a negative and statistically significant association between drought and children’s HAZ. The main result revealed that malnutrition had a negative impact on children’s self-efficacy, whereas it did not affect their aspirations or self-esteem. Furthermore, a robustness check showed gender differences in the effect of malnutrition on children’s psychosocial abilities. Thus, the self-efficacy of Indian boys was negatively affected by malnutrition, while that of girls was not. Because these results examine the consequences of malnutrition on children’s non-cognitive abilities, they contribute to a literature which, so far, has mainly focused on the consequences on their cognitive abilities. Also using the Young Lives data set, Paper II presents an investigation into children’s ability to catch up from earlier malnutrition. A comparison was specifically made between two cohorts of children born in 1994–95 and 2001–02, using their HAZ values when they were 8 (in 2002 and 2009, respectively) and then 12 years old (in 2006 and 2013, respectively). The objective was to study the differences between the two birth cohorts and the two age levels. In addition, the paper looked at determining the differences between various points on the distribution of HAZ values, using the quantile regression method. The result showed that the null hypothesis of a homogeneous catch-up effect along the entire distribution of HAZ could be rejected. Furthermore, the result suggested that less malnourished children had lower catch-up rates, whereas more malnourished children had higher ones. This evidence is also consistent with previous results, namely that, despite the economic growth that India has experienced and the hope that malnutrition would have declined as a result, children in the younger cohort suffer from nutritional deficiencies similar to those experienced by the older cohort. Paper III sets out the replication of a study by Brune et al. (2016), who implemented a randomised control trial to understand Malawian tobacco farmers’ saving behaviour. The purpose of the intervention was to spur farmers to deposit some of their harvest income in order to relax the liquidity constraint at the beginning of the subsequent planting season. The intervention was implemented at the same time as the harvest period so that farmers’ saving behaviour could be studied closely. Offering a savings vehicle resulted in more inputs being purchased ahead of the next planting season, leading to higher yields and higher income from the next harvest. A further, and rather surprising, finding was that the extra money used to purchase inputs at the beginning of the next planting season was not from the post-harvest bank deposit: in fact, farmers withdrew most of the harvest income they had deposited well in advance of the next planting season. In this and other aspects, the results from the replication study support the findings of the original study. Finally, Paper IV describes a study on recreational anglers’ willingness to pay for improvements in the characteristics of fishing sites. The objective of the paper was twofold. The first objective was to explore the transferability of anglers’ responses between different angling sites, while the second objective was to estimate the welfare effects for anglers in respect of improvements in angling site characteristics. A choice experiment was used to capture transferability across the angling sites, and to examine anglers’ preferences for changes in angling conditions. A survey was conducted among anglers visiting two water bodies in northern Sweden. The findings showed that the anglers studied had highly heterogeneous preferences, which implies that policy interventions need to consider the specific characteristics of the angling groups they target.
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