1,737 research outputs found
PREDICTING FEEDING COST OF GAIN WITH MORE PRECISION
No full textCosts during the feeding period, commonly summarized as "feeding cost of gain", are primary determinants of cattle feeding profits. This study provides a method of generalizing information available at placement time into a suitable feeding cost of gain prediction, so that feeders and ranchers can make more informed placement decisions.Cattle-Feeding, Feeding-Cost-Of-Gain, Industrial Organization, Livestock Production/Industries,
Organic wastewater compounds, pharmaceuticals, and coliphage in ground water receiving discharge from onsite wastewater treatment systems near La Pine, Oregon: occurrence and implications for transport
No full textby Stephen R. Hinkle, Rodney J. Weick (Oregon Department of Environmental Quality), Jill M. Johnson (Deschutes County Environmental Health Division), Jeffery D. Cahill, Steven G. Smith, and Barbara J. Rich (Oregon Department of Environmental Quality) ; prepared in cooperation with Oregon Department of Environmental Quality and Deschutes County Environmental Health Division.Title from PDF cover (viewed on April 3, 2020).This archived document is maintained by the State Library of Oregon. It is for informational purposes and may not be suitable for legal purposes.Includes bibliographical references (pages 52-54).Mode of access: Internet from the State Library of Oregon U.S. Government Publications Collection.Text in English
An exploration of the effects of data aggregation and other factors on empirical estimates of market power
No full textEconometric studies of firm-level behavior are gaining acceptance among some industrial organization economists. This is a potentially useful tool for detecting noncompetitive behavior. Policy makers and antitrust enforcement officials are interested in the results of these studies as they are applied to specific industries to help enforce current antitrust regulations and develop new policies.
These New Empirical Industrial Organization (NEIO) econometric behavioral studies typically require detailed price, quantity, and cost data regarding the industry being studied. The models used are derived from the profit maximization problem of individual firms. In spite of this fact, many previous studies have relied on publicly available industry aggregate data, often also aggregated over time to the quarterly or yearly-level. This study investigates the sensitivity of empirical estimates of market power obtained from econometric conjectural variations studies to the level data aggregation used for the analysis. In addition, the sensitivity of the results to model specification is also explored.
The focus of this study is on measurement of oligopsony power in the U. S. beef packing/processing industry. Using Monte Carlo techniques, weekly plant or firm-level data are simulated to be representative of the U. S. beef packing industry in two broadly defined geographical procurement regions. To broaden the scope of the experiment, the assumed underlying technology of the beef packing industry is varied across a broad range of possibilities. In addition, alternative assumptions regarding the conduct of industry participants in the live cattle procurement market are imposed on the data generation process. The disaggregate data sets are aggregated over plants and firms to weekly industry aggregates, and over time to quarterly industry aggregates. At each level of aggregation, the data are tested using 3 alternative specifications of an NEIO econometric market power testing model, that differ by functional form. Results of the tests are compared across aggregation levels, and across model specifications.
The results reveal that in general the actual size of the test of the null hypothesis of no market power is much higher than the chosen nominal size of the test. The power of the test for market power is quite high. Data aggregation tends to bias the results of tests for market power. In addition, an adequately flexible functional form must be specified to capture the underlying technology of the industry when using econometric methods to test for market power. Therefore, in order to be useful for antitrust policy enforcement, econometric behavioral studies must make use of detailed firm (or plant )-level disaggregate data, and must use carefully specified models.Ph. D
Family Paragonimidae Dollfus, 1939
No full text[Extract] Adult paragonimids are large, fleshy trematodes occurring in pairs in capsules within the lungs (usually) of mammals. They differ from other members of the Gorgoderoidea Looss, 1899 by a suite of characters, including the absence of a cirrus-sac, extensive dendritic vitellarium and the habit of encysting in pairs in the lungs of mammals. Kerbert (1878) described as Distoma westermaniil Kerbert, 1878 worms from the lungs of a tiger that had died in Amsterdam Zoological Gardens. Braun (1899) made D. westermanii the type of his new genus Paragonimus Braun, 1899. Shortly afterwards, Looss (1899) placed it in his new genus Polysarcus Looss, 1899, which must fall as a synonym (and was in any case preoccupied). Parasitologists at that time (e.g. Stiles & Hassall, 1900) assigned Paragonimus to the Fasciolidae Railliet, 1895, whereas Odhner (1914) placed it in the Troglotrematidae Odhner, 1914. Dollfus (1939) erected the family Paragonimidae Dollfus, 1939 for it. However, some later authors (e.g. Dawes, 1946; Baer & Joyeux, 1961) continued to place it in the Troglotrematidae
-Methyl-d-Aspartate Receptor Subtypes
No full textSince excitotoxicity has been implicated in a variety of neuropathological conditions, understanding the pathways involved in this type of cell death is of critical importance to the future clinical treatment of many diseases. The N-methyl-D-aspartate (NMDA) receptor has become a primary focus of excitotoxic research because early studies demonstrated that antagonism of this receptor subtype was neuroprotective. However, initial pharmacological agents were not clinically useful due to the adverse effects of complete NMDA receptor blockade. Understanding the biochemical properties of the multitude of NMDA receptor subtypes offers the possibility of developing more effective and clinically useful drugs. With the discovery of the basis of heterogeneity of NMDA receptors through molecular biological approaches, many new potential therapeutic targets have been uncovered, and several model systems have been developed for the study of NMDA receptor-mediated cell death. This review discusses these models and the current understanding of the relationship between NMDA receptor subtypes and excitotoxicity.Journal Articl
International Journal of Computational Methods c ○ World Scientific Publishing Company GRID SIMULATION SERVICES FOR THE MEDICAL COMMUNITY
No full text{ d. r. hose | j. w. fenner | d. jones} @ sheffield. ac. u
Elections
No full textContested Election - Samuel D. Vaughan vs. John Matthews: Writ of summons issued by Thomas M. Rodney, Esq., Chairman of the Committee on Elections of the House of Representatives, to William W. Hudson, Sergeant-at-arms of the House, commanding that he summon Isaac J. Jenkins and Waitman Jones to appear before the House Committee on Elections
Maeser Students and Teacher in Front of School
No full textMaeser school students and their teacher, Vera VanLeuven, stand in front of the school. Among the students on the front row are: D. J. Reynolds, Christine Caldwell, Rodney Searle, Diana Searle. Among the students in the middle are: Tommy Bingham, Eloise Evans, Faye Jones, Doug Hacking, Gary Hall. Back row are: Susan Hacking, Lela Hacking, Dana Mansfield, Gary McLean
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