Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 53 for “"Demand system"”.
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Three essays on the demand system
… first essay investigates how scanner data affect demand elasticity estimates and develops methods for scientists to adapt estimated elasticities to analyses of specific policies. We conduct a meta-analysis of U.S. demand elasticities and find evidence that scanner data generate statistically …
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Demanda por alimentos na Região Metropolitana de Porto Alegre : uma aplicação do Almost Ideal Demand System
… Sul (UFRGS), em 1995, para estimar um sistema de demanda por alimentos. Implementou-se o Almost Ideal Demand System (AIDs), proposto por Deaton e Muellbauer. Com base nos coeficientes estimados, calcularam-se as elasticidadespreço, preço-cruzadas e renda para dez subgrupos de alimentos.
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The effect of price, advertising, and income on consumer demand: an almost ideal demand system investigation
… of products. This is known as the homogeneity of demand property on which the economic consumer demand theory is built. Rejection of this assumption is indicative of a state of mind called ‘money illusion’. Evidence from applied economics literature suggests that consumers respond asymmetrically …
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Green mobility Taipei City : with the arrival of mobility-on-demand system with ultra small electric vehicles
… etc. Electric vehicles (EVs) and Mobility-on-Demand systems are two of these technologies. With the advancement of battery technologies, EVs are become the next mainstream product for Automobile industry. Meanwhile, there are many new concepts about various alternative types of car ownership, …
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The Role of the Multiple-Demand System in Fluid Intelligence and Selective Attention: Insights from Lesion and Neuroimaging Studies
… A prominent proposal posits the multiple-demand (MD) system, a distributed network of predominantly frontoparietal regions, plays a critical role in this process. A growing body of evidence shows the MD system is consistently recruited in response to a wide range of cognitive demands and …
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Advances in Applied Econometrics: Binary Discrete Choice Models, Artificial Neural Networks, and Asymmetries in the FAST Multistage Demand System
… and (iii) the estimation of unconditional demand elasticities using the flexible multistage demand system with asymmetric partitions and fixed effects across time. The first paper re-examines the underlying statistical foundations of statistical models with binary dependent variables using …
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Modelling structural change in the U.S. demand for meat
Recent empirical research on meat demand has debated whether or not the effects of changing meat prices can explain all the observed changes in meat consumption patterns. This thesis provides a framework for modelling and testing for structural change using three commonly used demand system — a …
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Taipei mobility : gone in less than 300 seconds : mixed modality transportation system in dense mixed-use urban fabric, take Taipei City for example
… or, even more, created by current transportation system. The thesis will discuss about the relations of urban mobility and urban space and try to redesign urban space from transportation point of views. According to United Nation Population Division Report, half world's people will live in urban …
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A modern econometric approach to estimating theoretically consistent demand systems of retail brands
… investigation of the cake mix and frosting demand system using daily data on sales figures, prices and marketing mix variables. SUR maximum likelihood is used to estimate static and dynamic (error correction) linear almost ideal demand systems. Results compare static and dynamic model …
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A quantitative measurement of policy options to inform value-added tax reform in South Africa
… In developing the structural model, a complete demand system and a food demand system were estimated for 24 752 South African households. From these estimations, unique demand equations for each household were determined, allowing for households consumption behaviour to change in response to a …
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Estimating demand for liquid assets
… the yield curve (maturity <1YR). I estimate the demand system by exploiting plausibly exogenous variation in safe asset issuance due to regulatory requirements (''window dressing"). Under this identifying assumption, month-end dummies can be considered supply shocks and can be used to instrument …
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Essays on taxation: positive and normative aspects
… behavior. The first method is the Almost Ideal Demand System (AIDS) model of Deaton and Muellbauer. The AIDS model assumes linear Engel curves and if this assumption is violated then welfare estimates are biased. The Quadratic Almost Ideal Demand System (QUAIDS) model of Banks, Blundell and …
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U.S. aggregate demand for clothing and shoes, 1929-1994: Effects of changes in price, nondurables expenditures, and demographics
… prices, and demographics on the U.S. aggregate demand for clothing categories and shoes. In particular, this study focused on identifying and parameterizing the effects of such changes. To this purpose, a demand system for two clothing categories, shoes, and other nondurable commodities for the …
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Transport demand in China : estimation, projection, and policy assessment
… and freight mobility, leading to greater energy demand and environmental impacts. In this dissertation I develop methods to characterize the evolution of passenger transport demand in a rapidly-developing country, in order to support projection and policy assessment. In Essay #1, I study the role …
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Essays on Applied Macro- and Micro-Econometrics
… investigates interfuel substitution and the demand for a limited number of energy goods with proper microeconomic foundations. The last essay augments the approach used in the second essay for a large number of goods and services in the market for money. An abstract of each essay follows. In …
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Estimation of tax rate elasticities of durable assets: utility maximizing approach using the AIDS model
… and tools. The analytical model was based on demand theory, and a modified linear approximate Almost Ideal Demand System was used to estimate the elasticities. For the estimation of the long-run elasticities, a partial adjustment model was introduced to the demand system. Data covered 36 …
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Dynamic incentive scheme for rental vehicle fleet management
Mobility on Demand is a new transportation paradigm aimed to provide sustainable transportation in urban settings with a fleet of electric vehicles. Usage scenarios prpopsed by Mobility on Demand systems must allow one-way rentals. However, one-way rentals bring significant challenges to fleet …
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Heterogeneity in regional economic models: disaggregation and integration
… 1990; Israilevich et al., 1997) to which a demand system with age and income parameters is integrated. The extended model addresses concerns about household heterogeneity that has been limited to one representative in the existing REIMs. The initial testing is conducted with a model for the …
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Essays on Agricultural and Regional Development
… economy. Chapter 1 applies a three-stage demand system to nationally representative household survey data to identify food demand behavior with an emphasis on food staples in two West Africa countries ‒ Niger and Nigeria. The third stage of the demand system offers demand elasticities of …
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Indices de precios regionales estimados a partir de sistemas de demanda. Argentina 2017-2018
… satisfacción. Para ello, se estima un sistema de demanda completa del tipo QUAIDS (Quadratic Almost Ideal Demand System). Los resultados indican que hay una gran diferencia en el costo de vida entre las distintas regiones de la Argentina y que las mismas son de carácter permanente más que …
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