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Tree Shade and Energy Savings: An Empirical Study AgEcon
Pandit, Ram; Laband, David N..
Trees cast shade on homes and buildings, lowering the inside temperatures and thus reducing demand for power to cool these buildings during hot times of the year. Drawing from a large sample of residences in Auburn, Alabama, we develop a statistical model that produces specific estimates of the electricity savings generated by shade-producing trees in a suburban environment. This empirical model links residential energy consumption to hedonic characteristics of the structures, characteristics and behaviors of the occupants, and the extent, density, and timing of shade cast on the structures. Our estimates suggest that if an additional 10 percent of the 125 million home owners in America started using tree shade to reduce electricity consumption an average...
Tipo: Conference Paper or Presentation Palavras-chave: Environmental Economics and Policy; Resource /Energy Economics and Policy.
Ano: 2010 URL: http://purl.umn.edu/59147
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Higher Education Costs and the Production of Extension AgEcon
Laband, David N.; Lentz, Bernard F..
Do cost considerations justify the current structure of production of extension services in which one or more providers exists in virtually all of the contiguous U.S. states? Provision of extension services has sizable cost implications for the host institutions. Yet, to our knowledge, there has been virtually no analysis of the impact of extension on higher education costs. Using academic year 1995-1996 data, we estimate a multiproduct cost function for 1,445 public institutions of higher education in the United States, including 65 that provide extension services. We find evidence of significant economies of scale with respect to the provision of extension services but no evidence of significant economies of scope between the provision of extension...
Tipo: Journal Article Palavras-chave: Extensions services; Higher education; Multiproduct cost function; Public Economics; Teaching/Communication/Extension/Profession; I122; L89.
Ano: 2005 URL: http://purl.umn.edu/43734
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Impacts of Population and Income Growth Rates on Threatened Mammals and Birds AgEcon
Pandit, Ram; Laband, David N..
Per capita income and human population levels in a country have direct influences on its environmental outcomes. Countries with same level of income may have different rate of income growth and vice versa, suggesting that the influence of the rate of income growth on environmental outcomes could be different than that of income level. Similarly, the rate of population growth might have different impact in addition to the impacts of sheer number of population. We explore this empirical question using country-level data on threatened species published by IUCN for the year 2007. Controlling for other factors, our model estimates the influences of the rate of population and income growth on threatened mammals and birds across 113 continental countries. The...
Tipo: Conference Paper or Presentation Palavras-chave: Income; Population; Spatial models; Spatial autocorrelation; Endemic species; Biodiversity; Environmental Economics and Policy; C21; Q57.
Ano: 2011 URL: http://purl.umn.edu/101404
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