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1.
  • Andrén, Daniela, et al. (författare)
  • Part-time sick leave as a treatment method?
  • 2008
  • Rapport (övrigt vetenskapligt)abstract
    • This paper analyzes the effects of being on part-time sick leave compared to full-time sick leave on the probability of recovering (i.e., returning to work with full recovery of lost work capacity). Using a discrete choice one-factor model, we estimate mean treatment parameters and distributional treatment parameters from a common set of structural parameters. Our results show that part-time sick leave increases the likelihood of recovering and dominates full-time sick leave for sickness spells of 150 days or longer. For these long spells, the probability of recovering increases by 10 percentage points.
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2.
  • Bonilla, Jorge, et al. (författare)
  • Synergies and Trade-offs between Climate and Local Air Pollution: Policies in Sweden
  • 2012
  • Rapport (övrigt vetenskapligt)abstract
    • In this paper, we explore the synergies and tradeoffs between abatement of global and local pollution. We built a unique dataset of Swedish heat and power plants with detailed boiler-level data 2001-2009 on not only production and inputs but also emissions of CO2 and NOx. Both pollutants are subject to strict policies in Sweden. CO2 is subject to multiple levels of governance using environmental instruments such as the EU ETS and Swedish carbon taxes; NOx – as a precursor of acid rain and eutrophication – is regulated by a heavy fee. Using a quadratic directional output distance function, we characterize changes in technical efficiency as well as patterns of substitutability in response to the policies mentioned. The fact that generating units face a trade-off between the pollutants indicates a need for policy coordination.
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3.
  • Carlsson, Fredrik, 1968-, et al. (författare)
  • Conformity and the demand for environmental goods
  • 2008
  • Rapport (övrigt vetenskapligt)abstract
    • We test the hypothesis that people conform to certain social norms, i.e. that some individuals may be willing to pay a higher price premium for green products the more widespread green consumerism is in society. To investigate consumer preferences for environmentally friendly products, we conducted a choice experiment where the respondents were asked to choose among coffee products varying with respect to their share of ecological beans, share of fair trade beans, and price. Three treatments were used, differing only in the information given about the choices made by other consumers. More specifically, the respondents in the three subgroups were told that 10%, 50%, and 90% of all other consumers chose the alternative with 100% ecological beans. We find different responses to the treatments across individuals. In particular, we can only confirm our hypothesis of conformity for women, although men appear to have stronger preferences for ecological coffee than women.
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4.
  • Carlsson, Fredrik, 1968-, et al. (författare)
  • Social preferences are stable over long periods of time
  • 2012
  • Rapport (övrigt vetenskapligt)abstract
    • We measure people’s prosocial behavior, in terms of voluntary money and labor time contributions to an archetypical public good, a bridge, and in terms of voluntary money contributions in a public good game, using the same non-student sample in rural Vietnam at four different points in time from 2005 to 2011. Two of the experiments are natural experiment, one is a field experiment and one is a public good experiment. Since the experiments were conducted far apart in time, the potentially confounding effects of moral licensing and moral cleansing are presumably small, if existing at all. Despite large contextual variations, we find a strong positive and statistically significant correlation between voluntary contributions in these experiments, whether correcting for other covariates or not. This suggests that pro-social preferences are fairly stable over long periods of time and contexts.
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5.
  • Congdon Fors, Heather, 1975- (författare)
  • Social Globalization and Child Labor
  • 2012
  • Rapport (övrigt vetenskapligt)abstract
    • In recent years, a growing number of authors have turned their focus to the question of why children work. While much of the research focuses on household level factors, macroeconomic factors have gained increasing attention. This is particularly true in the case of globalization. The purpose of this paper is to contribute to the literature on the role of globalization in child labor by examining a specific aspect of globalization: social globalization. The results of the empirical analysis indicate that social globalization does have a significant impact on the average incidence of child labor in the cross-country sample of developing countries.
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6.
  • Coria, Jessica, et al. (författare)
  • Biodiversity Conservation and Ecosystem Services Provision: A Tale of Confused Objectives, Mulitple Market Failures and Policy Challenges
  • 2012
  • Rapport (övrigt vetenskapligt)abstract
    • Most research and funding in conservation has been oriented toward biodiversity per se. Until recently there has been little tangible effort in linking conservation to ecosystem service provision. Nevertheless, this trend seems to be changing due in part to the relative success of payment mechanisms that provide funding for the conservation of ecosystem services – defined as discrete and identifiable end-products. This paper describes the features of optimal policies to protect (i) biodiversity vs. (ii) ecosystem services and analyze to what extent the criteria in (i) and (ii) set against each other or create synergies. We also analyze how payments for ecosystem services affect the relationship between biodiversity and ecosystem services conservation.
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7.
  • Coria, Jessica, 1979-, et al. (författare)
  • Should we tax or let firms trade emissions? An experimental analysis with policy implications for developing countries
  • 2011
  • Rapport (övrigt vetenskapligt)abstract
    • In this paper we use laboratory experiments to test the theoretical predictions derived by Villegas-Palacio and Coria (2010) about the effects of the interaction between technology adoption and incomplete enforcement. They show that under Tradable Emissions Permits (TEPs), and in contrast to taxes, the fall in permit price produced by adoption of environmentally friendly technologies reduces the benefits of violating the environmental regulation at the margin and leads firms to improve their compliance behavior. Moreover, when TEPs are used, the regulator can speed up the diffusion of new technologies since the benefits from adopting the new technology increase with the enforcement stringency. Our experimental results confirm these theoretical predictions. While the aggregate emissions do not statistically differ between the two policy instruments, the fraction of firms violating the regulation and the aggregate extent of violation are lower under TEPs than under emission taxes regardless of the monitoring probability. Hence, in contrast to previous studies, our results indicate that TEPs would appear to be a feasible policy alternative in weak regulatory contexts.
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8.
  • Dimico, Arcangelo, et al. (författare)
  • Origins of the Sicilian Mafia: The Market for Lemons
  • 2012
  • Rapport (övrigt vetenskapligt)abstract
    • Since its first appearance in the late 1800s, the origins of the Sicilian mafia have remained a largely unresolved mystery. Both institutional and historical explanations have been proposed in the literature through the years. In this paper, we develop an argument for a market structure-hypothesis, contending that mafia arose in towns where firms made unusually high profits due to imperfect competition. We identify the produc tion of citrus fruits as a sector with very high international demand as well as substantial fixed costs that acted as a barrier to entry in many places and secured high profits in others. We argue that the mafia arose out of the need to protect citrus production from predation by thieves. Using the original data from a parliamentary inquiry in 1881-86 on Sicilian towns, we show that mafia presence is strongly related to the production of orange and lemon. This result contrasts recent work that emphasizes the importance of land reforms and a broadening of property rights as the main reason for the emergence of mafia protection.
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9.
  • Eggert, Håkan, 1961-, et al. (författare)
  • Reference-dependent behaviour of paua (abalone) divers in New Zealand
  • 2011
  • Rapport (övrigt vetenskapligt)abstract
    • We study dynamic labour supply using data on paua (abalone) divers in New Zealand. The divers face stable, flat prices per kilogram after each catch, but experience transitory wage changes due to varying weather and water conditions, and are free to vary their daily working hours and display an intermittent working pattern. We find non-linear wage elasticities, rejecting the standard neo-classical prediction. We explore potentially distorting factors, but find little evidence. Applying Kőszegi and Rabin’s (2006) theory where workers have both income and hours targets could explain our result. In particular, our divers appear to be primarily guided by the hours target.
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10.
  • Eggert, Håkan, et al. (författare)
  • Trade and Resources: Welfare effects of the Lake Victoria fisheries boom
  • 2012
  • Rapport (övrigt vetenskapligt)abstract
    • In this paper we examine the welfare implications of the Tanzanian fisheries boom following from the increase in quantities and prices of the Lake Victoria Nile perch export during 1993-2008. We use the theoretical model by Brander and Taylor (1997) that we try to test empirically. We have a micro level perspective using data from a 1993 World Bank household survey and our own study from 2008, both containing data from about 520 households in the two regions Mwanza and Mara by the lake. Our results indicate that average income has increased in both rural and urban areas. For the poorest part of the population, rural areas experienced only modestly and non-significantly reductions in the fraction below basic needs, while urban areas had a substantial reduction. However, growth was modest and inequality seems to have increased during the period. Concerning human capital measured as education for the household head we found substantial improvements in educational level and a simple regression model confirmed the significant impact of education on household income. We also found that households on average are better off when situated close to the lake.
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