13,807 research outputs found

    Voyager Mars planetary quarantine Basic math model report

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    Basic math model study of planetary quarantine effects on Voyager Mars missio

    A WILLINGNESS TO PLAY: ANALYSIS OF WATER RESOURCES DEVELOPMENT

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    Economic analysis shows that the Central Arizona Project will be a poor investment from the point of view of individual farmers. Yet farmers support the Project. In this study of the economics and politics of the CAP, farmers are questioned as to their information, perceptions and motivations. Farmers are willing to play Ƃā€“ not necessarily to pay.Resource /Energy Economics and Policy,

    Always on my mind: The impact of relational ambivalence on rumination upon supervisor mistreatment

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    Often viewed as a self-regulatory impairment (Thau & Mitchell, 2010), rumination describes the repeated pondering of an offense (Caprara, 1986). The current study predicts that employees high in relational ambivalence with supervisors, or who ā€œmaintain both a positive and negative attitude toward their supervisor,ā€ are more likely than those in positive or negative relationships to ruminate over a supervisor-induced psychological contract violation (S-I PCV). By use of a 10-day diary study, this study reveals differences in the moderating role of relationship quality with supervisors (i.e., positive, negative, or ambivalent) on S-I PCV and rumination. More specifically, relational ambivalence with supervisors positively moderated the relationship between S-I PCV and rumination, whereas positive and negative relationships with supervisors both negatively moderated this relationship

    Business and Industry Training Employment Opportunities in Chesapeake, Virginia

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    The purpose of this study was to determine the number of business and industry training opportunities in Chesapeake, Virginia. To answer this problem, the following questions were established: 1. What are the employment opportunities available in the business and industry training field? 2. What are the job title categories that companies are advertising? 3. In each category of advertised positions, how many people were currently needed at this time and what were the needs projected to 2010? 4. What are the business and industry training employment opportunities for undergraduate degree completers in the Chesapeake, Virginia region

    The Effects of the 1933 Bank Holiday and the Emergency Banking Act of 1933 on the Systematic Risks of Various Industries

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    Utilizing the industry portfolio classifications that Fama and French provide in their data library, I analyze the specific effects that the 1933 Bank Holiday has on various industries. My empirical results go beyond what Silber (2009) determines to be significantly positive abnormal market returns on March 15, 1933, which is the day after the Bank Holiday and the largest ever one-day increase in the stock market. I use the CAPM and the Fama-French 3-factor Model to find significant systematic risk decreases after the Bank Holiday in the Coal and Transportation industries, as well as systematic risk increases in Consumer Goods and Apparel. To determine the driving factors behind these changes in systematic risk and abnormal returns, I test the correlation between industry leverage ratios and differences in systematic risk changes after the Bank Holiday. The Bank Holiday helps stabilize the economy and the nationā€™s banking system, which I expect industries with larger debt obligations will benefit more after the Bank Holiday. Inconsistent with my expectations, I donā€™t find significant evidence that the systematic risks of highly leveraged industries decreases more than industries with lower leverage ratios. I develop my argument to leave room for changes in the model used to estimate systematic risks in order to identify the variables that are the true drivers of the systematic risk changes that I observe

    Antecedents and consequences of relational ambivalence: a longitudinal and daily diary study investigation

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    Employee-manager relationships have received significant attention in the literature in attempting to understand the development and consequences of ā€˜goodā€™ and ā€˜badā€™ relationships. Whilst much is known about these relationships independently, relatively little is known about those relationships that are both ā€˜goodā€™ and ā€˜badā€™. This thesis uses ā€˜relational ambivalenceā€™ to describe such relationships and addresses a fundamental question in employee-manager research; can employees simultaneously like and dislike their managers? Two separate research methodologies address this question. The first study, employing a longitudinal survey over a six-month period, explored how historical, individual and social-cognitive perspectives contributed to employee relationship valuations (positive, negative, and ambivalent). This study also tested the impact that each relationship valuation had on interpersonal and organisational outcomes. The second study employed a daily diary method to explore how employee relationship valuations impacted responses to manager-induced psychological contract violations over a two-week period. Findings indicated that relational ambivalence is a distinct relationship valuation both in terms of its antecedents and consequences. The first study revealed that relational ambivalence had a curvilinear relationship with both leader-member exchange and relational schema similarity. Additionally, preoccupied attachment was positively related to relational ambivalence, whilst oneness perceptions were negatively related to relational ambivalence. The study examined two outcome categories: interpersonal and organisational. The interpersonal outcomes revealed a negative relationship with affectbased and cognition-based trust, as well as relational identification; whilst the organisational outcomes revealed that relational ambivalence was the strongest relationship valuation linked to turnover intent. Relational ambivalence was negatively related to OCBs directed toward the organisation, and job control negatively moderated OCBs directed toward the manager. Finally, study two revealed that relational ambivalence changes in intensity over time and leads to increased OCBs, decreased forgiveness, and increased intrusive thoughts after a manager-induced psychological contract violation. Employees offering positive valuations lowered their OCBs, increased forgiveness, and did not experience intrusive thoughts; whilst those offering negative valuations only lowered their OCBs. Contributions and implications of this thesis are discussed

    The Organs of the Parietal Fossa in Elasmobranchs

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    Davidson, in a paper on the musculature of Heptanchus maculatus (1918), mentions a small shield-shaped organ to be found in the parietal fossa, and in connection with it a pair of small muscles having their origin on the cranium and dorsal longitudinal muscles. He believes that these muscles constrict this sac-like organ
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