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| 1 |
ID:
127224
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| Publication |
2014.
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| Summary/Abstract |
The maximum amount of land for growing switchgrass for ethanol is estimated for a region in the southeastern U.S. Breakeven capacities are calculated for land in row crops, hay, pasture and marginal land. Characteristics of land categories inform potential land use change impacts as well as switchgrass profitability. Variable yields within and across land categories are translated into distributions of switchgrass net revenue. Breakeven curves are generated for a range of switchgrass prices. These curves provide upper bounds for further analysis of actual switchgrass adoption in context of broader economic forces and possible policy mechanisms to minimize environmental impacts. A farm-gate price of $55 Mg?1 is estimated for half of marginal and pasturelands to break even with switchgrass. At this price, only 20% of land in hay and a small fraction of row crop hectares break even. Half of hay and row crops hectares break even at approximately $90 Mg?1 and $100 Mg?1, respectively. At $60 Mg?1, sufficient land area can profitably produce switchgrass for ethanol to displace approximately 10% of gasoline consumed in Georgia, North Carolina, and South Carolina; however, this price only indicates breakeven capacity implying that higher prices may be necessary to realize 10% displacement.
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| 2 |
ID:
103483
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2011.
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| Summary/Abstract |
All-hazards exercises bring together emergency response partners at the local, regional, state, and federal levels for the primary purposes of testing response plans, defining roles and responsibilities, assessing capabilities, and making necessary improvements prior to an actual incident. To better understand the benefits and challenges of conducting regional (ie, multicounty) exercises, a study was carried out by the North Carolina Preparedness and Emergency Response Research Center at the University of North Carolina Gillings School of Global Public Health. This article describes 5 all-hazards regional exercises conducted by Public Health Regional Surveillance Teams (PHRSTs) in North Carolina in 2009 and highlights 4 unique benefits that resulted from the exercises beyond meeting explicit objectives to test plans and identify areas for improvement: (1) building relationships among response partners, (2) promoting public health assets, (3) testing multiple communications systems, and (4) training exercise evaluators. Challenges of planning and conducting regional exercises also are addressed, followed by recommendations for maximizing the effectiveness of regional public health exercises.
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| 3 |
ID:
163281
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| Summary/Abstract |
I argue that international trade increases military enlistment in the United States. Trade-related job losses reduce economic opportunities in local labor markets, and the government responds by increasing military recruitment efforts in those counties. This dynamic challenges conventional accounts of globalization, which tend to overlook the local impact of free trade and only examine the traditional welfare policies that governments offer to compensate “trade losers.” This study analyzes an original, county-level data set on army enlistment and trade-related job losses from 1996 to 2010. The results suggest that a trade shock of one thousand job losses is associated with a 33 percent increase in army enlistment in the median county. To illustrate the causal mechanisms that link free trade to army enlistment, this study also presents a case study based on original interviews in Catawba County, North Carolina, a county particularly impacted by trade liberalization.
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| 4 |
ID:
092679
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