Filters: Tags: Return on investment (X)
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A commonly encountered challenge in emergy analysis is the lack of transformity data for many economic products and services. To overcome this challenge, emergy analysts approximate the emergy input from the economy via a single emergy/money ratio for the country and the monetary price of economic inputs. This amounts to assuming homogeneity in the entire economy, and can introduce serious uncertainties in the results. This paper proposes and demonstrates the use of a thermodynamically augmented economic input-output model of the US economy for obtaining sector-specific emergy to money ratios that can be used instead of a single ratio. These ratios at the economy scale are more accurate than a single economy-wide...
Categories: Publication;
Types: Citation;
Tags: Corn ethanol,
Economic input-output modeling,
Emergy,
Life cycle assessment,
Return on investment
As climate change progresses and stressors to biodiversity continue to expand across the landscape, conservation actions need to be increasingly targeted and effective. Past and current efforts put more weight on investments in conservation application with less attention to monitoring the outcome and refining the approach. The inception of the Landscape Conservation Cooperatives provided a timely opportunity to refine our approach to conservation in a way that maximizes return on investment to maintain important natural resources and ecosystems for future generations. The conservation community lags behind other sectors in evaluating the efficacy of their actions. For example, the concept of “business excellence”...
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