2,448 research outputs found
Who Really Benefits from Agricultural Subsidies? Evidence from Field-Level Data
The idea that agricultural subsidies are fully capitalized into farmland values forms the foundation of the argument that subsidies are entitlements and removing them would drastically reduce farmland asset values. Surprisingly little evidence substantiates this claim. Using field-level data and explicitly controlling for potentially confounding variables we find that landlords only capture between 14 – 24 cents of the marginal subsidy dollar. The duration of the rental arrangement has a substantial effect on the incidence. Initially, landlords extract 44 cents of the marginal subsidy dollar, but the incidence falls by 1.5 cents with each additional year of the rental arrangement. This duration effect reveals that rental market frictions play an important role in the farmland rental market.Agricultural and Food Policy,
Development of the Motivational Interviewing Supervision and Training Scale
The movement to use empirically supported treatments has increased the need for researchers and supervisors to evaluate therapists’ adherence to and the quality with which they implement those interventions. Few empirically supported approaches exist for providing these types of evaluations. This is also true for motivational interviewing, an empirically supported intervention important in the addictions field. This study describes the development and psychometric evaluation of the Motivational Interviewing Supervision and Training Scale (MISTS), a measure intended for use in training and supervising therapists implementing motivational interviewing. Satisfactory interrater reliability was found (generalizability coefficient p2 = .79), and evidence was found supporting the convergent and discriminant validity of the MISTS. Recommendations for refinement of the measure and future research are discussed
Production Effects of Decoupled Commodity Program Payments: An Instrumental Variables Approach
Instrumental Variables, IV, Policy, Agriculture, Subsidies, Production, Agribusiness, Agricultural and Food Policy, Farm Management, Land Economics/Use, Production Economics, Q1, Q12, Q15, Q18,
Who Really Benefits from Agricultural Subsidies? Evidence from Field-Level Data
The idea that agricultural subsidies are fully capitalized into farmland values forms the foundation of the argument that subsidies are entitlements and removing them would drastically reduce farmland asset values. Surprisingly little evidence substantiates this claim. Using field-level data and explicitly controlling for potentially confounding variables we find that landlords only capture between 14 – 24 cents of the marginal subsidy dollar. The duration of the rental arrangement has a substantial effect on the incidence. Initially, landlords extract 44 cents of the marginal subsidy dollar, but the incidence falls by 1.5 cents with each additional year of the rental arrangement. This duration effect reveals that rental market frictions play an important role in the farmland rental market
Human–Black Bear Interactions and Public Attitudinal Changes in an Urban Ordinance Zone
Human–bear (Ursus spp.) interactions (HBI) commonly occur in residential areas throughout North America. Negative HBI can be alleviated by using bear-resistant garbage cans (BRC) and by securing other bear attractants (e.g., bird feeders). Since the early 2000s, human and Florida black bear (U. americanus floridanus) densities have increased substantially throughout Florida, USA, concurrently producing an increase in HBI. In central Florida, an area with high densities of humans and black bears, we surveyed 2 neighborhoods that occurred in an urban ordinance zone established in 2016 that required residents to secure anthropogenic food sources. Residents were supplied with BRC in 2017, and our surveys in 2017 and 2018 assessed the changes in HBI in the year before and after receiving BRC as well as the attitudes of residents toward ordinance measures and the perceived effectiveness of BRC. We found that a combination of preventive measures practiced by residents along with use of BRC effectively reduced HBI by 54%, especially bears eating garbage (reduced to 0%). Consequently, residents spent more time outdoors in their neighborhoods and experienced an elevated quality of life because fear of HBI lessened. We also analyzed public calls to the Florida Fish and Wildlife Conservation Commission concerning HBI. Public calls declined during the 5 years after the ordinance was established compared to 5 years prior. A reduction in HBI (especially conflicts) and public acceptance of using BRC is a long-term goal for management of black bears in Florida
ALS Resistant Smooth Pigweed in Western Kentucky
Pigweeds The pigweed, or Amaranthus, family contains some of the most commonly occurring weeds of midwest agriculture. Species from this family that occur in Kentucky include smooth pigweed (Amaranthus hybridus, most common), tumble pigweed, prostrate pigweed, spiny amaranth,Palmer amaranth,common waterhemp, and tall waterhemp. Research has shown that some pigweed species respond differently to various herbicides, therefore, proper identification is necessary to achieve acceptable control. Pigweed identification in early stages of seedling growth can be difficult because the distinguishing physical characteristics do not appear until plants are mature or have produced seed. Also, some pigweed species may cross-pollinate to produce hybrid plants that exhibit characteristics of both parents
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Performance comparison of stormwater biofiltration designs
A biofiltration system is a stormwater Best Management Practice (BMP) that uses
a biologically active filtration bed to remove contaminants. This type of BMP is preferred
because it provides the opportunity for pollutant uptake (particularly nutrients) by
vegetation in an aesthetically pleasing design. The goals of this research, proposed by the
City of Austin, Texas, are to assess the role of plants in nutrient removal and to compare
the pollutant removal effectiveness of biofiltration systems containing different media,
plant species and designs. A laboratory column study was conducted with nineteen
experiments using synthetic stormwater and one experiment using real stormwater. The
results of this study show a significant improvement in nutrient removal with the
presence of plants and a submerged zone with a carbon source in the filter. The columns
without plants were found to export up to twice the nitrate/nitrite input, whereas the
columns with plants showed significant removal of all nutrients (Nitrate 30-50%, Total
Kjeldhal Nitrogen 65-85%, Total Phosphorus 80-90%). The difference between the two
biofiltration media was not significant. Metals (Copper, Lead, Zinc) removal by all
columns was very high (>95%) compared to similar field studies. Total Suspended Solids
removal remained high through the whole set of experiments for all the columns (85-
95%).Center for Research in Water Resource
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Trajectory dynamics in innovation: developing and transforming a mobile money service across time and place
This paper examines how and why innovations are reshaped as they become implemented and used in locales that are distant and distinct from those where the innovation was initially developed. Drawing on an in-depth field study of the innovation process that produced a mobile money system for Kenya, we contribute an understanding of the particular dynamics that arise when an innovation trajectory interacts with local trajectories that constitute the local conditions and practices of specific places. We identify four distinct patterns of trajectory dynamics — separation, coordination, diversification, and integration — each of which has different implications for the innovation, its implementation, and consequences on the ground. Developing a model of trajectory dynamics in innovation, we theorize the processes through which innovations are transformed over time as they interact with multiple local trajectories, and the specific innovation outcomes that are generated as a result. Such theorizing reconceptualizes traditional notions of innovation diffusion by explicating how and why innovations change in multiple and unexpected ways as they move to particular places and engage with local conditions and practices
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Hydraulic performance of temporary construction traffic barriers
Center for Water and the Environmen
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A GIS based watershed analysis system for Tillamook Bay, Oregon
Center for Research in Water Resource
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