Conference Agenda
Overview and details of the sessions of this conference. Please select a date or location to show only sessions at that day or location. Please select a single session for detailed view (with abstracts and downloads if available).
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Daily Overview |
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Climate Change Adaptation: Food and Agriculture 1 Location: B003 Session Chair: Lotanna E. Emediegwu, Manchester Metropolitan University | |
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Contamination Bias from Adaptation to Environmental Stressors University of Colorado Boulder, United States of America The effects of environmental stressors are likely to vary across individuals, firms, and locations, in part due to adaptation to local conditions. Here, I examine how this relationship between the effects of stressors and the exposure regime can induce important contamination biases if heterogeneity goes unmodeled. For example, failure to model heterogeneity in the impacts of high temperatures can contaminate estimated effects of lower temperatures, or failure to model heterogeneous effects of temperatures could contaminate estimated effects of precipitation. I first show how the conditions for contamination bias can arise using a simple model of adaptation to environmental stress and illustrate the resulting bias with simulations. After detailing a range of solutions, I assess the practical importance of this issue by revisiting published work. I re-analyze links between temperature and asylum applications and crop yields, finding that contamination bias may either inflate or dampen estimated effects. Finally, I connect this issue to recent work on related biases. | |