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Träfflista för sökning "WAKA:rap ;pers:(Carlsson Fredrik 1968)"

Sökning: WAKA:rap > Carlsson Fredrik 1968

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1.
  • Abou-Ali, Hala, 1972, et al. (författare)
  • Evaluating the welfare effects of improved water qualityusing the choice experiment method
  • 2004
  • Rapport (övrigt vetenskapligt/konstnärligt)abstract
    • This paper analyzes the welfare effects of improved health status through increased water quality using a choice experiment. The survey was administered to a random sample of households in metropolitan Cairo, Egypt. We apply a random parameter logit model in the analysis and illustrate the richness of information that can be obtained from this type of model by estimating individual level willingness to pay (WTP). We find a significant WTP for improved health status, both for short-run and long-run health effects. However, the estimated WTP is fairly low compared with the costs of a program that would achieve these improvements.
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2.
  • Alpizar, Francisco, et al. (författare)
  • Anonymity, Reciprocity, and Conformity: Evidence from Voluntary Contributions to a National Park in Costa Rica
  • 2007
  • Rapport (övrigt vetenskapligt/konstnärligt)abstract
    • We investigate the role of anonymity, reciprocity, and conformity for voluntary contributions, based on a natural field experiment conducted at a national park in Costa Rica. Contributions made in public in front of the solicitor are 25% higher than contributions made in private. Giving subjects a small gift before requesting a contribution increases the likelihood of a positive contribution. At the same time, the conditional contribution decreases. The total effect of giving a gift is positive but small, and taking the cost of the gift into account, it is far from profitable. When the subjects are told that the typical contribution of others is $2 (a small contribution), the probability of a contribution increases and the conditional contribution decreases, compared with providing no reference information. Providing a high reference level ($10) increases the conditional contributions. Overall, the total effects have the expected signs, although the magnitudes are smaller than what one might have expected based on existing evidence from laboratory experiments.
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3.
  • Alpizar, Francisco, 1974, et al. (författare)
  • Does context matter more for hypothetical than for actual contributions? Evidence from a natural field experiment
  • 2007
  • Rapport (övrigt vetenskapligt/konstnärligt)abstract
    • We investigate the importance of the social context for people’s voluntary contributions to a national park in Costa Rica, using a natural field experiment. Some subjects make actual contributions while others state their hypothetical contribution. Both the degree of anonymity and provided information about the contributions of others influence subject contributions in the hypothesized direction. We do find a substantial hypothetical bias with regard to the amount contributed. However, the influence of the social contexts is about the same when the subjects make actual monetary contributions as when they state their hypothetical contributions. Our results have important implications for validity testing of stated preference methods: a comparison between hypothetical and actual behavior should be done for a given social context.
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4.
  • Alpizar, Francisco, 1974, et al. (författare)
  • How Much Do We Care About Absolute Versus Relative Income and Consumption?
  • 2001
  • Rapport (övrigt vetenskapligt/konstnärligt)abstract
    • We find, using survey-experimental methods, that most individuals are concerned with both relative income and relative consumption of particular goods. The degree of concern varies in the expected direction depending on the properties of the good. However, contrary to what has been suggested in the previous literature, we find that relative consumption is also important for vacation and insurance, which are typically seen as non-positional goods. Further, absolute consumption is also found to be important for cars and housing, which are widely regarded as highly positional. Implications for Pareto-efficient taxation are illustrated using the results from the experiment.
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5.
  • Alpizar, Francisco, 1974, et al. (författare)
  • Policy Implications and Analysis of the Determinants of Travel Mode Choice: An Application of Choice Experiments to Metropolitan Costa Rica
  • 2001
  • Rapport (övrigt vetenskapligt/konstnärligt)abstract
    • In this paper we study a group of policies aimed at discouraging the use of private transportation during peak hours, both directly and indirectly, by increasing the attractiveness of the only available substitute, the bus. This is done using a choice experiment constructed to find the answer to the following basic question: Given fixed house-to-work structures and no working hour flexibility, by how much is the choice of travel mode for commuters to work sensitive to changes in travel time, changes in costs for each mode and other service attributes? This information is then used to identify the most suitable combination of policies dealing with air pollution and congestion in the typical developing country context of metropolitan Costa Rica. We also provide estimates of the value of travel time as a measure of the potential benefits gained from reduced congestion.
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6.
  • Alpizar, Francisco, 1974, et al. (författare)
  • The effect of risk, ambiguity, and coordination on farmers’ adaptation to climate change: A framed field experiment
  • 2009
  • Rapport (övrigt vetenskapligt/konstnärligt)abstract
    • The risk of loses of income and productive means due to adverse weather associated to climate change can significantly differ between farmers sharing a productive landscape. It is important to learn more about how farmers react to different levels of risk, under measurable and unmeasurable uncertainty. Moreover, the costs associated to investments in reduced vulnerability to climatic events are likely to exhibit economies of scope. We explore these issues using a framed field experiment that captures realistically the main characteristics of production, and the likely weather related loses of premium coffee farmers in Tarrazu, Costa Rica. Given that the region recently was severely hit by an extreme, albeit very infrequent, climatic event, we expected to observe, and found high levels of risk aversion, but we do observe farmers making trade offs under different risk levels. Although hard to disentangle at first sight given the high level of risk aversion, we find that farmer’s opt more frequently for safe options in a setting characterized by unknown risk. Finally, we find that farmers to a large extent are able to coordinate their decisions in order to achieve a lower cost of adaptation, and that communication among farmers strongly facilitates coordination.
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7.
  • Alpizar, Francisco, 1974, et al. (författare)
  • Using Choice Experiments for Non-Market Valuation
  • 2001
  • Rapport (övrigt vetenskapligt/konstnärligt)abstract
    • This paper provides the latest research developments in the method of choice experiments applied to valuation of non-market goods. Choice experiments, along with the, by now, well-known contingent valuation method, are very important tools for valuing non-market goods and the results are used in both cost-benefit analyses and litigations related to damage assessments. The paper should provide the reader with both the means to carry out a choice experiment and to conduct a detailed critical analysis of its performance in order to give informed advice about the results. A discussion of the underlying economic model of choice experiments is incorporated, as well as a presentation of econometric models consistent with economic theory. Furthermore, a detailed discussion on the development of a choice experiment is provided, which in particular focuses on the design of the experiment and tests of validity. Finally, a discussion on different ways to calculate welfare effects is presented.
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8.
  • Aravena, Claudia, et al. (författare)
  • Testing preference formation in learning design contingent valuation (LDCV) using advanced information and repetitive treatments
  • 2015
  • Rapport (övrigt vetenskapligt/konstnärligt)abstract
    • Policymakers have largely replaced Single Bounded Discrete Choice (SBDC) valuation by the more statistically efficient repetitive methods; Double Bounded Discrete Choice (DBDC) and Discrete Choice Experiments (DCE). Repetitive valuation permits classification into rational preferences: (i) a-priori well-formed; (ii) consistent non-arbitrary values “discovered” through repetition and experience; (Plott, 1996; List 2003) and irrational preferences; (iii) consistent but arbitrary values as “shaped” by preceding bid level (Tufano, 2010; Ariely et al., 2003) and (iv) inconsistent and arbitrary values. Policy valuations should demonstrate behaviorally rational preferences. We outline novel methods for testing this in DBDC applied to renewable energy premiums in Chile.
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9.
  • Asrat, Sinafikeh, et al. (författare)
  • Farmers' Preferences for Crop Variety Traits: Lessons for On-Farm Conservation and Technology Adoption
  • 2009
  • Rapport (övrigt vetenskapligt/konstnärligt)abstract
    • Although in-situ conservation is increasingly considered an efficient way of conserving plant genetic resources, little is known about the incentives and constraints that govern conservation decisions among small farm holders in developing countries. Using a choice experiment approach, we investigate Ethiopian farmers’ crop variety preferences, estimate the mean willingness to pay for each crop variety attribute, and identify household specific and institutional factors that govern the preferences. We find that environmental adaptability and yield stability are important attributes for farmers’ choice of crop varieties. Farmers are willing to forgo some income or output in order to obtain a more stable and environmentally adaptable crop variety. Among other things, household resource endowments (particularly land holdings and livestock assets), years of farming experience, and contact with extension services are the major factors causing household heterogeneity of crop variety preferences. Based on our experimental results, we derive important policy implications for on-farm conservation, breeding priority setting, and improved variety adoption in Ethiopia.
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10.
  • Carlsson, Fredrik, 1968, et al. (författare)
  • A Fair Share : Burden-Sharing Preferences in the United States and China
  • 2010
  • Rapport (övrigt vetenskapligt/konstnärligt)abstract
    • Using a choice experiment, we investigated preferences for distributing the economic burden of decreasing CO2 emissions in the two largest CO2-emitting countries: the United States and China. We asked respondents about their preferences for four burden-sharing rules to reduce CO2 emissions according to their country’s 1) historical emissions, 2) income level, 3) equal right to emit per person, and 4) current emissions. We found that U.S. respondents preferred the rule based on current emissions, while the equal right to emit rule was clearly least preferred. The Chinese respondents, on the other hand, preferred the historical rule, while the current emissions rule was the least preferred. Respondents overall favored the rule that was least costly for their country. These marked differences may explain the difficulties countries face in agreeing how to share costs, presenting a tough hurdle to overcome in future negotiations. We also found that the strength of the preferences was much stronger in China, suggesting that how mitigation costs are shared across countries is more important there.
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  • Resultat 1-10 av 76
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rapport (76)
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övrigt vetenskapligt/konstnärligt (75)
refereegranskat (1)
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Martinsson, Peter, 1 ... (16)
Johansson-Stenman, O ... (16)
Lampi, Elina, 1967 (11)
Kataria, Mitesh (8)
Löfgren, Åsa, 1972 (7)
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Qin, Ping, 1976 (6)
Lagerkvist, Carl-Joh ... (5)
Sterner, Thomas, 195 ... (5)
Alpizar, Francisco, ... (5)
Frykblom, Peter (5)
Köhlin, Gunnar, 1963 (3)
Krupnick, Alan (3)
Chung, Susie (3)
Daruvala, Dinky, 196 ... (3)
Sutter, Matthias, 19 ... (2)
Mekonnen, Alemu (2)
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Pham Khanh, Nam, 197 ... (2)
Gupta, Gautam (2)
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He, Haoran, 1981 (2)
Yang, Xiaojun, 1981 (2)
Abou-Ali, Hala, 1972 (1)
García, Jorge H., 19 ... (1)
Alpizar, Francisco (1)
Naranjo, Maria (1)
Aravena, Claudia (1)
Hutchinson, W. Georg ... (1)
Matthews, David I. (1)
Asrat, Sinafikeh (1)
Yesuf, Mahmud, 1969 (1)
Wale, Edilegnaw (1)
Hammar, Henrik, 1970 (1)
Yesuf, Mahmud (1)
Tu, Qin (1)
Daruvala, Dinky (1)
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Linde-Rahr, Martin, ... (1)
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Weng, Qian, 1981 (1)
Kataria, Mitesh, 197 ... (1)
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He, Haoran (1)
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Yin, Hang, 1984 (1)
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