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A Study to Develop Strategies for Proactive Water-Loss Management

2006-11-21 , Park, Hyun Jung

A Study to Develop Strategies for Proactive Water-Loss Management Hyun Jung Park Directed by Dr. Mary Beth Walker Water conservation is one of the important policy concerns. However, most water conservation practices have focused primarily on reducing use by customers. Since a large amount of water lost in supply systems causes water providers to lose money, resources, and reliability, and the current passive approach cannot deal with water losses effectively, a proactive approach is necessary for water-loss management. The goal of this study is to help policymakers and water utilities develop strategies that proactively solve water losses. To develop strategies for water-loss management, it is essential to identify key factors that determine the level of water losses as well as the factors that encourage the adoption of the innovative control practices. Using three different datasets and statistical methodology, this study analyzed the factors associated with water losses and utilities responses to the problems. Based on case studies, this study explored managers perceptions about the adoption of water-loss management and identified organizational characteristics that may influence managements decisions to adopt such strategies. Operational and Maintenance (O and M) factors had the most significant impacts on water losses. In particular, system size, represented by total production or population served, and infrastructure rehabilitation were crucial factors. The effects of some internal factors on water losses were predicted but those of several internal factors were rather unclear and relatively complicated. This study confirmed that utilities were more likely to be motivated to combat water losses if certain external conditions, such as higher water demand, limited resource availability, and institutional pressure exist. This study found several internal and external factors associated with the adoption of proactive water-loss management; however, internal factors seemed to dominate in the decision-making processes over such adoption. The utilities that have already adopted proactive water-loss management seem to be more amenable to adopt new practices because they have certain characteristics and their managers have more positive perspectives. The findings suggest several policy implications and recommendations for the water industry. Finally, this study discussed limitations of the study, and suggestions for further studies.

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Technological Innovation of Chinese Firms: Indigenous R and D, Foreign Direct Investment, and Markets

2006-05-10 , Zhang, Jingjing

What are the factors behind the recent development of industrial technology in China? Does China follow the path of learning technology from outside through direct foreign investment and international trade as other Asian newly industrialized economies, or imitate the U.S. model that develop science and technology within the country based on the strong domestic research capacity? This study examines these questions using a comprehensive research model and a new Chinese patent dataset. The patent statistics in this study are created based on more than 120 thousand granted invention patent abstracts in China between 1985 and 2003. Compared with the Chinese patent data used in prior studies, this dataset distinguishes firm patents from patents awarded to universities and research institutes. The dependent variable for regression analysis is the technological innovation performance of Chinese domestic firms as measured by the number of patents awarded to firms in 30 Chinese provinces from 1989 to 1999. The final panel data for regression analysis were completed with other provincial indicators for the same years on research and development (R and D) expenditures by firms and public institutions, foreign direct investment (FDI), domestic consumption, and foreign exports. The results of count data fixed effect regression approaches show that the efforts of firms, measured by industrial R and D expenditures, spillovers from R and D activities conducted at universities and public institutions in the same region, and demand driven mainly by foreign exports are the most prominent positive factors in the domestic firms technological innovation performance. While the net impact of FDI on domestic firms patenting activity is mostly insignificant and sometimes negative

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Toward an Understanding of the Revenue of Nonprofit Organizations

2005-11-28 , Horne, Christopher Scott

Understanding the composition and distribution of the revenue of nonprofit organizations (NPOs) is key to understanding NPOs themselves. This research uses revenue data for 87,127 charitable NPOs to draw three main conclusions. First, revenue structures of NPOs vary widely by subsector and organizational size, with many NPOs demonstrating revenue structures that might be considered uncharacteristic of the nonprofit sector. Second, despite the concerns of many nonprofit scholars, heavy dependence on either government funding or charitable contributions is atypical of NPOs. And third, nonprofit revenue is highly concentrated in relatively few NPOs. The description of revenue expands to examine the relationship between two important sources of revenue, charitable contributions and government subsidies. Nonprofit scholars have long theorized that government funding diminishes charitable giving. This research finds that the effect of subsidy on charity varies substantially among the nonprofit subsectors, but, contrary to widely accepted theory, these effects are more often positive than negative: More than half of government funding of the nonprofit subsectors appears to spur an increase in charitable giving, whereas only 6 percent of government funding is associated with decreased giving. This research suggests that effects of subsidy on charity are less likely due to the decisions of donors than to the decisions of NPOs themselves. These findings assuage some concerns about the future of the nonprofit sector but substantiate others. As government increasingly relies on NPOs to deliver government-funded services, it appears unlikely that NPOs will suffer decreases in charitable giving, and government funding may even enable NPOs to increase revenue from charitable giving. But marginal changes in charitable giving will not mitigate what many see as a distressing move away from reliance on charity toward generating fees for services and generally becoming more business-like. Whether these findings represent a nonprofit sector betraying its charitable roots, diluting its power to effect social change by corporatizing, emphasizing service delivery at the expense of advocacy, or becoming more efficient, financially stable, and responsive to market demands remains a matter of debate, but debate better informed by the understanding of nonprofit revenue provided by this research.

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Decision-making in the human subjects review system

2005-01-18 , Lane, Eliesh O'Neil

Issues involving the use of human subjects converge at the intersection of research in engineering, science, ethics, medicine, and technology and society. Questions arise about risks and benefits to research participants and society and the governance of science. By law a group of individuals known as the institutional review board (IRB) must be established by research organizations to decide whether to approve research protocols with human participants. Approximately 6600 IRBs exist in the U.S. Previous research on IRBs, mostly quantitative, has not studied the relationship between member characteristics (such as role and gender) and member perceptions of the IRB process. In this research I draw primarily on participatory democratic theory to frame the central research questions and the resulting analysis. I examine IRB members roles, participation, and expertise on the IRB and how these relate to their perception of the IRB decision-making processes at seven leading U.S. research universities. Policymakers and researchers alike increasingly are focusing on the adequacy of the existing system that oversees research studies involving human participants. As tension continues to mount over the applicability of the current guidelines to all research involving human participants, federally funded or not, it is timely to examine this oversight system to increase our understanding of how these committees actually decide whether to approve or disapprove human subjects research in their organizations. In this study, data are collected from personal interviews with scientist, nonscientist and nonaffiliated members serving on IRBs at each of the participating universities and from observation of an IRB meeting in session at each site. The findings of this research provide a scientific assessment of the relationship between IRB member composition and members perceptions of the IRB process. This research contributes to our understanding of the decision-making process that takes place within IRBs. Furthermore it utilizes the IRB as a mechanism for expanding our understanding of larger questions about the interfaces of science and policy and science and society. By questioning who are the experts and how do different members attribute value to a research protocol on an IRB, we can begin to address broader issues of expertise and public understanding of science and research.

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University research centers and the composition of academic work

2006-11-17 , Boardman, Paul Craig

The purpose of this study is to assess the extent to which affiliation with a university research center affects how university scientists allocate their work time across their many academic tasks and responsibilities, including research, teaching, student advising, grants and contracts work, and service and committee duties. The key proposition is that institutional variation across university research centers can affect greatly how center affiliated university scientists allocate their work time insofar as some center level characteristics are more conducive than are others to role strain, which is the structural circumstance (Merton 1957) wherein an individual is beholden to center and departments norms and expectations that are divergent. The concept of role strain befits analysis of the impact of center affiliation on university scientists time allocations insofar as it provides a structural framework with which to characterize the time constraints that center scientists face as a result of being dually obligated to a center and an academic department. Moreover, study at the organizational level of analysis emphasizes competition and even conflict between university research centers and academic departments over the scarce resource of faculty time (Geiger 1990, Stahler and Tash 1994, Mallon 2004). This study uses data from a national survey of university scientists as well as data from interviews with university scientists who affiliate with National Science Foundation Engineering Research Centers or Science and Technology Centers. Survey results demonstrate that a centers size, multidisciplinarity, organization within the university, programmatic ties, and external relations increase the time allocated to research, grants and contracts work, and service and committee duties. These findings constitute objective evidence of center induced role strain (Pandey and Kumar 1997, Rizzo et al. 1970) insofar as they identify components of center scientists work environments suggestive of center and department norms and expectations being divergent and even conflicting. Interview results demonstrate similarly that when a center has no ties to an academic department and when its research focus is applied or commercially relevant, workload increases. These findings constitute subjective evidence of center induced role strain (Pandey and Kumar 1997, Kahn et al. 1964) insofar as it is the center scientists themselves observing these divergent norms and expectations. Implications for policy and theory are discussed.

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The Effect of Proximity to Commercial Uses on Residential Prices

2006-04-05 , Matthews, John William

As distance from a house to retail sites decreases the price of a house should increase, ceteris paribus, because of increased shopping convenience. On the other hand, as distance decreases price should also decrease because the house is exposed to increased spillover of disamenities noise, light, traffic, etc. from the retail use. The study uses Computer Assisted Mass Appraisal data and a parcel level Geographic Information system map from King County (Seattle) Washington. An hedonic process is used to estimate the price effects of both the expected positive and negative price effects. Travel distance is a proxy for convenience and Euclidian distance is a proxy for negative spillovers. Standard hedonic housing price variables are used for control along with distance to other classes of non-residential uses and indexes of neighborhood street layout and connectivity. In traditional gridiron neighborhood, both convenience and negative spillovers have the expected effect on housing price. The net effect is a price effect curve with a net decrease in price at very short distances between houses and retail sites. But, beyond a short distance to the extent of convenient walking distance (about mile) the net effect is positive. In a non-traditional edge city type neighborhood, there is no effect, either positive or negative. This is due to the much greater distances between residential uses and retail uses in this type neighborhood that result from zoning that segregates land uses and long travel distance resulting from curvilinear street layout.

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The Effect of Linkages on Science and Technology at Historically Black Colleges and Universities

2005-11-22 , Brice, Kathryn T.

Historically Black Colleges and Universities (HBCUs) face the 21st century with questions about change and adaptation to an increasingly science and technology oriented society. They face the challenge of finding a strategy by which they can utilize current resources and energy to maximize their science and technology development. Using a mixed methods research design, this study conducted an analysis of science and technology at HBCUs. The primary objective was to determine what theories (when implemented they are termed strategies) account for the development of science and technology at successful research oriented HBCUs. This was accomplished through a secondary objective to assess productivity outputs at HBCUs using various science and technology indices. The results and findings can be summarized by stating that the selection of strategy is dependent on the maturity of the HBCUs science and technology program. An HBCU that is seeking to initiate a science and technology program should pursue a strategy of federal or state policy supportive of introductory efforts. HBCUs with established science and technology programs that are seeking growth strategies should look toward collaborations and partnerships for the purposes of forming networks and clusters. The formation of joint ventures, partnerships, and networks will further develop their science and technology programs. Leadership is a sustaining factor that enhances the effectiveness of both policy and linkages.

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Student Centrality in University-Industry Interactions

2006-07-14 , Ponomariov, Branco Leonidov

This thesis proposes and estimates a model of university scientists interactions with the private sector; in this model students are conceptualized as an important enabler of such interactions. The results of the study show that university scientists student-related behaviors such as grant support of students and research collaboration with students, and student-related attitudes such as mentoring orientation positively affect the probability that scientists will enter interactions with industry as well as the intensity of such interactions. Behaviors such as teaching and advising of students are not related to interactions with industry. This study is motivated by the increased emphasis on closer relationships between universities and industry as a means to facilitate the commercial application of university research. Today, numerous policies and programs attempt to achieve such goals. As a result, university scientists are called on to perform many tasks which on the surface seem misaligned. There is substantial study of conflict between the teaching and research missions of universities, and a growing body of study on conflict related to university based commercial and technology transfer related activities. Fewer, there are studies suggesting that these activities are not so misaligned after all. This study falls into the latter category as it posits a complementary relationship between university scientists student related activities and their work related interactions with industry, research and otherwise. Speculations regarding the importance of students in university industry relations and indirect evidence are scattered through the relevant literature, but little or no systematic empirical tests of their importance exist. This study uses data from a national survey of university researchers to discern the centrality of students to university-industry interactions. Theoretically, students are conceptualized as a dimension of university scientists respective research capacities that enable cross-sectoral processes of accumulative advantage and thereby help to enable their interactions with industry. As a component of scientists scientific and technical human capital, students help university scientists to identify and act upon on research opportunities originating in the private sector. Moreover, students increase the appeal of university scientists to industry agents seeking research partners in academe. Implications for theory and policy are discussed.

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Two Essays on Corporate Income Taxes and Organizational Forms in the United States

2006-01-13 , Hu, Zhenhua

Corporate income taxation has a profound impact on economic behavior in the United States. This dissertation focuses on two aspects: the impact of dividend taxation on investment and the impact of corporate income tax exemption on nonprofit organizations activity. The first essay compares dividend payout ratios of C and S corporations to test the validity of the traditional and the new views on dividend taxation. Average corporate income tax rate is used as an instrumental variable. The results support the traditional view. The second essay focuses on whether the exemption of nonprofit organizations from the corporate income tax affects the competition between for-profit and nonprofit hospitals. Time series and panel data analysis show that tax subsidies to nonprofit organizations have a positive impact on nonprofit hospitals market share.

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The Duality of Innovation: Liberation and Economic Competitiveness

2005-07-19 , Bobb, Kamau Imara

Economic competitiveness and liberation are treated as dual objectives of innovation in traditional industries in developing countries that have endured both slavery and colonization. In developing nations that slave and colonial histories, the objective of innovation may be more than the assumed one, economic competitiveness; it may be liberation as well. The objective of innovation may be to wrest domestic control over national resources from international agencies and multinational corporations. This dissertation explores this idea with case studies of the sugar industry in Barbados and Guyana. Evidence from semi-structured interviews in both locations is used to determine whether liberation is indeed an objective of the innovation process and if so, whether it is complementary or contradictory to the standard relationship between innovation and economic competitiveness. The results suggest that the concept of liberation is not only present in large philosophical discussions of national strategy, but also in the practical "bench-level" discussions about technical options for the Caribbean sugar regime. The connection of sugar to the slave and colonial past introduces notions of powerlessness and resentment into innovation discussions that customarily revolve exclusively around research agendas, technological options and their economic costs and benefits. Consideration of this dimension is a necessary addition to the National Innovation Systems framework when it is being applied to the developing world.

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