37,564 research outputs found

    Mrs. R. E. Ward

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    Photograph of Helen (Mitchell) Ward, sitting in a rocker on a porch. She is the daughter of J. D. and Agnes Mitchell who married Russell E. Ward

    Measuring the benefits from R&D investment beyond the farm gate: the case of the WA wine industry

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    Evaluations of public sector agricultural research and development (R&D) often focus on farm level benefits. Flow-on benefits that accrue to other sectors such as processing and marketing typically are ignored. This paper however includes these benefits. Using the Western Australian wine industry as an example this paper highlights the relative importance of farm and flow-on benefits generated by farm-level R&D. A wine industry value chain model is used to measure these benefits. The benefits per dollar of R&D investment are found to be 2.8atthefarmlevelcomparedto2.8 at the farm level compared to 14.9 when flow-on benefits are taken into account. In this case, solely reporting farm level benefits hugely understates the returns to the R&D investment. The R&D policy implications of the inclusion of flow-on benefits are discussed briefly.R&D investment, Benefit cost analysis, Value chain modelling, wine.,

    Postvocalic /r/ in New Orleans: Language, place and commodification

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    From silva dimes to po-boys, r-lessness has long been a conspicuous feature of all dialects of New Orleans English. This dissertation presents a quantitative and qualitative description of current rates of r-lessness in the city. 71 speakers from 21 neighborhoods were interviewed. R-pronunciation was elicited in four contexts: interview chat, Katrina narratives, a reading passage and a word list. R-lessness was found in 39% of possible instances. Older speakers pronounce /-r/ less than younger speakers, and those with a high school education or less pronounce /-r/ far less than those with post-secondary education. Race and gender did not prove to be significant predictors of r-pronunciation. In contrast to past studies, many speakers in the current study discuss their metalinguistic awareness of /-r/ and their partial control of /-r/ variation, discussing switching between r-fulness and r-lessness in different contexts. In New Orleans, this metalinguistic awareness is attributable in part to the devastation following Hurricane Katrina in 2005, when the near-disappearance of the city intensified an already extant nostalgia for local culture, including ways of speaking. Nostalgia and amplification by advertisers and popular media have helped recontextualize r-lessness as a variable associated with a number of social meanings, including localness and authenticity. These processes help transform r-lessness, for many speakers, from a routine feature of talk to a floating cultural variable, serving as a semiotic resource on which speakers can draw on to perform localness. This dissertation both closes a gap in research on New Orleans speech and uses New Orleans as a case study to suggest that the social meanings of linguistic features are created and maintained in part by a constellation of interrelated social processes of late modernity. Further, I argue that individual speakers are increasingly agentively engaged with these larger processes, as part of a global transformation from more traditional, place-bound populations to more deracinated individuals who choose to align themselves with particular communities and local cultural forms, particularly those that have been commodified

    Offshoring and Home Country R&D

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    National concerns are sometimes raised against offshoring of economic activities to other countries. While most of the existing literature has focused on the effects on labor demand and productivity the effects on domestic R&D have been neglected. This is unfortunate since the decision to offshore activities also includes R&D. We use unique and rich firm level data for the Swedish manufacturing sector to analyze how offshoring impacts domestic R&D and how these effects vary with respect to target region and type of firm. The results suggest that offshoring of production alter a firm’s investments in R&D in Sweden and that a negative impact on home country R&D is confined to offshoring by non-multinationals and offshoring to Europe and EU15 countries.Offshoring; R&D; Manufacturing sector; EU15

    Churning of R&D personnel and innovation

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    This paper explores the role of R&D worker mobility on innovation performance. As one main novelty, we employ churning as a measure for worker mobility. Churning depicts the number of workers which are replaced by new ones. It is a very informative indicator since a firm may be exposed to simultaneous leave and inflow of R&D workers even if the size of R&D employment remains unchanged. Hence, we can separate the effect of replacement from net change in R&D workforce. Our results from estimating various knowledge production functions suggest an inverse u-shaped relationship. The exchange of R&D personnel fosters innovation through inter-firm knowledge spillovers and improved job-match quality up to certain threshold. The point when costs of churning exceed the benefits is reached faster if the R&D knowledge is non-duplicative. --innovation,churning,mobility

    VERTICAL R&D SPILLOVERS, COOPERATION, MARKET STRUCTURE, AND INNOVATION

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    This paper studies vertical R&D spillovers between upstream and downstream firms. The model incorporates two vertically related industries, with horizontal spillovers within each industry and vertical spillovers between the two industries. Four types of R&D cooperation are studied: no cooperation, horizontal cooperation, vertical cooperation, and simultaneous horizontal and vertical cooperation. Vertical spillovers always increase R&D and welfare, while horizontal spillovers may increase or decrease them. The comparison of cooperative settings in terms of R&D shows that no setting uniformly dominates the others. Which type of cooperation yields more R&D depends on horizontal and vertical spillovers, and market structure. The ranking of cooperative structures hinges on the signs and magnitudes of three competitive externalities (vertical, horizontal, and diagonal) which capture the effect of the R&D of a firm on the profits of other firms. One of the basic results of the strategic investment literature is that cooperation between competitors increases (decreases) R&D when horizontal spillovers are high (low); the model shows that this result does not necessarily hold when vertical spillovers and vertical cooperation are taken into account. The paper proposes a theory of innovation and market structure, showing that the relation between innovation and competition depends on horizontal spillovers, vertical spillovers, and cooperative settings. The private incentives for R&D cooperation are addressed. It is found that buyers and sellers have divergent interests regarding the choice of cooperative settings and that spillovers increase the likelihood of the emergence of cooperation in a decentralized equilibrium.Vertical R&D spillovers, Market structure, Innovation, Vertical R&D cooperation, R&D policy

    Vertical R&D Spillovers, Cooperation, Market Structure, and Innovation

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    This paper studies vertical R&D spillovers between upstream and downstream firms. The model incorporates two vertically related industries, with horizontal spillovers within each industry and vertical spillovers between the two industries. Four types of R&D cooperation are studied: no cooperation, horizontal cooperation, vertical cooperation, and simultaneous horizontal and vertical cooperation. Vertical spillovers always increase R&D and welfare, while horizontal spillovers may increase or decrease them. The comparison of cooperative settings in terms of R&D shows that no setting uniformly dominates the others. Which type of cooperation yields more R&D depends on horizontal and vertical spillovers, and market structure. The ranking of cooperative structures hinges on the signs and magnitudes of three competitive externalities (vertical, horizontal, and diagonal) which capture the effect of the R&D of a firm on the profits of other firms. One of the basic results of the strategic investment literature is that cooperation between competitors increases (decreases) R&D when horizontal spillovers are high (low); the model shows that this result does not necessarily hold when vertical spillovers and vertical cooperation are taken into account. The paper proposes a theory of innovation and market structure, showing that the relation between innovation and competition depends on horizontal spillovers, vertical spillovers, and cooperative settings. The private incentives for R&D cooperation are addressed. It is found that buyers and sellers have divergent interests regarding the choice of cooperative settings and that spillovers increase the likelihood of the emergence of cooperation in a decentralized equilibrium. Cet article étudie les externalités de recherche verticales entre des firmes en amont et des firmes en aval. Il y a deux industries verticalement reliées, avec des externalités horizontales au sein de chaque industrie et des externalités verticales entre les deux industries. Quatre structures de coopération en R&D sont considérées: pas de coopération, coopération horizontale, coopération verticale, et coopération horizontale et verticale simultanément. Les externalités verticales augmentent la R&D et le bien-être, alors que les externalités horizontales peuvent les augmenter ou les diminuer. La comparaison des structures de coopération en terme de R&D révèle qu'aucune structure ne domine uniformément les autres. Le classement des structures de coopération dépend des externalités horizontales et verticales, et de la concurrence. Le classement dépend des signes et magnitudes de trois externalités concurrentielles (verticale, horizontale et diagonale) qui captent l'effet de la R&D d'une firme sur les profits des autres firmes. Un des résultats de base de la littérature sur l'investissement stratégique est que la coopération entre concurrents augmente (diminue) la R&D lorsque les externalités horizontales sont élevées (faibles); le modèle montre que ce résultat n'est pas toujours vérifié en présence des externalités verticales et/ou de la coopération verticale. Le papier propose une théorie reliant le degré d'innovation à la structure du marché: la relation entre la concurrence et l'innovation dépend des externalités horizontales, des externalités verticales et de la structure de coopération. Les incitations privées à la coopération en R&D sont examinées; on montre que les vendeurs et les acheteurs ont des préférences différentes quant au choix de structure de coopération et que les externalités augmentent la vraisemblance de l'émergence décentralisée de la coopération.Vertical R&D spillovers, market structure, innovation, vertical R&D cooperation, R&D policy, Externalités de recherche verticales, structure de marché, innovation, coopération verticale en R&D, politique de R&D

    The judiciary and American democracy : Alexander Bickel, the countermajoritarian difficulty, and contemporary constitutional theory

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    Includes bibliographical references and index.Kenneth D. Ward and Cecilia R. Castillo, editors

    Cloning and expression of two homologous genes of Bacillus thuringiensis subsp. israelensis which encode 130-kilodalton mosquitocidal proteins.

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    Two homologous genes encoding 130-kilodalton (kDa) mosquitocidal proteins of Bacillus thuringiensis subsp. israelensis have been cloned and expressed in Escherichia coli or Bacillus subtilis or both. One of these genes, pPC130, was expressed as a lacZ transcriptional fusion in E. coli at a level sufficient to produce phase-bright inclusions, which were purified and shown to be toxic to Aedes aegypti larvae. The second gene, pCH130, was expressed at a low level in recombinant E. coli cells and was therefore cloned in B. subtilis as a transcriptional fusion of the promoter sequences corresponding to a B. thuringiensis subsp. israelensis 27-kDa delta-endotoxin (E. S. Ward, A. R. Ridley, D. J. Ellar, and J. A. Todd, J. Mol. Biol. 191:13-22, 1986) and the structural gene. Recombinant B. subtilis cells produced phase-bright inclusions during late sporulation; these were partially purified and shown to be toxic to A. aegypti larvae at an LC50 (concentration required to cause 50% mortality of larvae after 24 h of assay) which is significantly lower than that of the pPC130 protein. Neither 130-kDa protein was hemolytic under the assay conditions. Comparison of the nucleotide sequences of these two genes indicates that they share a high degree of homology in the C-terminal portions, but relatively little similarity in the N termini. In addition, significant homologies were found between the pCH130 gene and the HD-1 Dipel gene of B. thuringiensis subsp. kurstaki (H. E. Schnepf, H. C. Wong, and H. R. Whiteley, J. Biol. Chem. 260:6264-6272, 1985).</p
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