216,987 research outputs found
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What does the future hold for utility electricity efficiency programs?
This study develops projections of future spending and savings from electricity efficiency programs funded by electric utility customers in the United States through 2030 based on three scenarios. Our analysis relies on detailed bottom-up modeling of current state energy efficiency policies, demand-side management and integrated resource plans, and regulatory decisions. The three scenarios represent a range of potential outcomes given the policy environment at the time of the study and uncertainties in the broader economic and state policy environment in each state. We project spending to increase to 11.1 billion in 2030 and remains relatively flat in the low case ($6.8 billion in 2030). Our analysis suggests that electricity efficiency programs funded by utility customers will continue to impact load growth significantly at least through 2030, as savings as a percent of retail sales are forecast at 0.7 percent in the medium scenario and 0.98 percent in the high scenario
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Market Structure and Energy Efficiency: The Case of New Commercial Buildings
This is a report on why commercial office buildings arenât more energy efficient. Several decades of energy efficiency programs have resulted in some gains, but overall increases in the energy efficiency of buildings have fallen far short of the 30 to 50 percent improvement that many efficiency advocates believe is possible. The purpose of this study is to consider the âwhyâ question by empirically examining the dynamics of new commercial building markets. To do so, the authors used multiple research techniques, including qualitative field observation and interview methods that allow for a more in-depth understanding of complicated market processes. Their research focused primarily on new office buildings and centered in four regional markets: Sacramento, San Francisco, Seattle, and Portland. The authors identify key dynamics of commercial office building markets, describe how change and innovation occurs in commercial development, discuss the implications for energy efficiency, and suggest next steps
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Layered cellular automata for pseudorandom number generation
The proposed Layered Cellular Automata (L-LCA), which comprises of a main CA with L additional layers of memory registers, has simple local interconnections and high operating speed. The time-varying L-LCA transformation at each clock can be reduced to a single transformation in the set formed by the transformation matrix of a maximum length Cellular Automata (CA), and the entire transformation sequence for a single period can be obtained. The analysis for the period characteristics of state sequences is simplified by analyzing representative transformation sequences determined by the phase difference between the initial states for each layer. The L-LCA model can be extended by adding more layers of memory or through the use of a larger main CA based on widely available maximum length CA. Several L-LCA (L=1,2,3,4) with 10- to 48-bit main CA are subjected to the DIEHARD test suite and better results are obtained over other CA designs reported in the literature. The experiments are repeated using the well-known nonlinear functions and in place of the linear function used in the L-LCA. Linear complexity is significantly increased when or is used
Randomness in topological models
p. 914-925There are two aspects of randomness in topological models. In the first one, topological
idealization of random patterns found in the Nature can be regarded as planar
representations of three-dimensional lattices and thus reconstructed in the space. Another aspect of randomness is related to graphs in which some properties are determined in a random way. For example, combinatorial properties of graphs: number of vertices, number of edges, and connections between them can be regarded as events in the defined probability space. Random-graph theory deals with a question: at what connection probability a particular property reveals. Combination of probabilistic description of planar graphs and their spatial reconstruction creates new opportunities in structural form-finding, especially in the inceptive, the most creative, stage.Tarczewski, R.; Bober, W. (2010). Randomness in topological models. Editorial Universitat PolitĂšcnica de ValĂšncia. http://hdl.handle.net/10251/695
The Chain of Quality through Integrated Product Development
Today, it is almost impossible to find a manufacturer who has not been significantly influenced by the quality culture, but it is evident that some are doing more to improve their product quality than others are. The so-called "Chain of Quality" through integrated product development is a useful metaphor since it recognises that quality is a continuing topic of attention throughout the product development process and that discrete, quality related activities in the process are inter-linked. Depending upon how the product development process is modelled, the chain can be viewed as open or closed with single or parallel threads. In this paper, the overall purpose of the chain, the nature and identity of its many links and the relationship of the chain to the product development process will be discussed. In so doing, this paper will present an overall picture of important product development strategies and practices that can have a key impact on product quality
The Question of Changing the Concept, Paperand Functions of State
This paper onthe questionof the concept, role and functions of State, attempts tocritically analyze recent developments and transformations. Itis assumed that all existing State models to date are in ideological crisis that challenges the concept of State.The problem is that the empirical evidence of the roleand functionsof the State or the State system are different from ast and point of a range of spheres of government, which generate the multiple requirements of the regulatory activity of the State. In the discussion some questions are identified and proposals that may be useful for analyzing the transformation of the State are formulated.Keywords. Concept of State, State functions, role of government.JEL. H70, I18
Firm Growth, Institutions and Structural Transformation
This essay argues that the economic contribution of certain firms â be they small, young or rapidly growing â has to be understood in a broader context of creative destruction. Growth of some firms requires contraction and exit of some other firms to free up resources that can be reallocated to expanding firms. Entry and expansion are flip sides to exit and contraction and the process through which the factors of production are put into different use defines structural transformation. We analyze institutions and policies conducive to structural transformation, in particular the expansion of high-growth firms (HGFs), since they have empirically been shown to contribute disproportionately to economic development. Firm growth is viewed as resulting from the continuous discovery and use of productive knowledge. Rapid firm growth requires a set of economic actors with complementary competencies that work together to identify and commercialize novel business ideas. The institutional framework determines the incentives for these individuals to acquire and utilize knowledge. We identify a number of institutions that encourage the creation of HGFs and promote structural transformation. In particular, our analysis points to the key roles played by tax structures, labor market regulation, and the contestability of service markets. Even in advanced economies, there is a large untapped economic potential which can be unleashed by institutional changes, such as the opening up of closed markets for entrepreneurial competition. However, there is no âquick-fixâ that will boost the frequency of HGFs and structural transformation. Our analysis suggests that policymakers need to adopt a broad approach and implement a wide array of complementary institutional reforms to increase the prevalence of HGFs and to facilitate structural transformation.Entrepreneurship; Firm growth; Gazelles; High-growth firms; High-impact firms; Institutions; Job creation; Rapidly growing firms
Firm Growth, Institutions and Structural Transformation
This essay argues that the economic contribution of certain firms â be they small, young or rapidly growing â has to be understood in a broader context of creative destruction. Growth of some firms requires contraction and exit of some other firms to free up resources that can be reallocated to expanding firms. Entry and expansion are flip sides to exit and contraction and the process through which the factors of production are put into different use defines structural transformation. We analyze institutions and policies conducive to structural transformation, in particular the expansion of high-growth firms (HGFs), since they have empirically been shown to contribute disproportionately to economic development. Firm growth is viewed as resulting from the continuous discovery and use of productive knowledge. Rapid firm growth requires a set of economic actors with complementary competencies that work together to identify and commercialize novel business ideas. The institutional framework determines the incentives for these individuals to acquire and utilize knowledge. We identify a number of institutions that encourage the creation of HGFs and promote structural transformation. In particular, our analysis points to the key roles played by tax structures, labor market regulation, and the contestability of service markets. Even in advanced economies, there is a large untapped economic potential which can be unleashed by institutional changes, such as the opening up of closed markets for entrepreneurial competition. However, there is no âquick-fixâ that will boost the frequency of HGFs and structural transformation. Our analysis suggests that policymakers need to adopt a broad approach and implement a wide array of complementary institutional reforms to increase the prevalence of HGFs and to facilitate structural transformation.Entrepreneurship; Firm growth; Gazelles; High-growth firms; High-impact firms; Institutions; Job creation; Rapidly growing firms
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