889 resultados para WELFARE ECONOMICS


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Human survival depends on human ingenuity in using resources at hand to sustain human life. The historical record – in wrings and archaeological artefacts – provides evidence of the growth and collapse of political organisations and societies. In the institutions of Western civilisation, some traditions have endured over millennia where the roles of monarchs and public officials have been organised in perpetual succession. These roles were developed as conventions in the British Parliament after 1295 and provided the models of corporate governance in both public and private enterprise that have been continuously refined to the present day. In 2011, the Queensland Parliament legislated to introduce a new and more open system of scrutiny of legislation through a system of portfolio-based parliamentary committees. The committees began to function more actively in July 2012 and have inviting submissions from stakeholders and experts in a structured way to consider the government’s priorities in its legislative programme. The questions now are whether the Surveying and Spatial Sciences can respond expertly to address the terms of reference and meet the timetables of the various parliamentary committees. This paper discusses some of the more important and urgent issues that deserve debate that the profession needs to address in becoming more responsive to matters of public policy.

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En el presente trabajo se estudia la evolución del gasto público en la política de vivienda en España. La política de vivienda constituye una parte más de la Economía del Bienestar, aunque no ha recibido la misma atención que otros de sus componentes, como la salud, la educación o las pensiones. Comenzaremos situando a España en el contexto europeo y observaremos como los efectos de la crisis internacional han afectado de manera significativa a las partidas de gasto de este bien. Conoceremos cuáles son los principales objetivos e instrumentos de la política de vivienda en España y analizaremos la evolución de la misma. De este modo, se detallarán los Planes de Vivienda que se han ido elaborando desde comienzos del siglo XX hasta nuestros días. A continuación, evaluaremos la situación en la que nos encontramos en base a algunas características del mercado de vivienda. Para finalizar, se cierra el trabajo estableciendo una serie de conclusiones breves y unas posibles propuestas de mejora o posibles caminos a seguir.

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This paper examines several families of population principles in the light of a set of axioms. In addition to the critical-level utilitarian, number-sensitive critical-level utilitarian and number-dampened families and their generalized counterparts, we consider the restricted number-dampened family (suggested by Hurka) and introduce two new families : the restricted critical-level and restricted number-dependent critical-level families. Subsets of the restricted families have nonnegative critical levels and avoid both the repugnant and sadistic conclusions but fail to satisfy an important independence condition. We defend the critical-level principles with positive critical levels.

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The notion of diversity is an issue that is of relevance in several contexts. For example, the biodiversity of a given ecological environment and the diversity of the options available to a decision maker have attracted some attention in recent research. This paper provides an axiomatic approach to the measurement of diversity. We characterize two nested classes of ordinal measures of diversity and an important member of these classes. We prove that the latter special case is equivalent to a diversity ordering proposed by Weitzman.

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Moulin (1999) characterizes the fixed-path rationing methods by efficiency, strategy-proofness, consistency, and resource-monotonicity. In this note, we give a straightforward proof of his result.

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We study the problem of locating two public goods for a group of agents with single-peaked preferences over an interval. An alternative specifies a location for each public good. In Miyagawa (1998), each agent consumes only his most preferred public good without rivalry. We extend preferences lexicographically and characterize the class of single-peaked preference rules by Pareto-optimality and replacement-domination. This result is considerably different from the corresponding characterization by Miyagawa (2001a).

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We consider a probabilistic approach to the problem of assigning k indivisible identical objects to a set of agents with single-peaked preferences. Using the ordinal extension of preferences, we characterize the class of uniform probabilistic rules by Pareto efficiency, strategy-proofness, and no-envy. We also show that in this characterization no-envy cannot be replaced by anonymity. When agents are strictly risk averse von-Neumann-Morgenstern utility maximizers, then we reduce the problem of assigning k identical objects to a problem of allocating the amount k of an infinitely divisible commodity.

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We propose two axiomatic theories of cost sharing with the common premise that agents demand comparable -though perhaps different- commodities and are responsible for their own demand. Under partial responsibility the agents are not responsible for the asymmetries of the cost function: two agents consuming the same amount of output always pay the same price; this holds true under full responsibility only if the cost function is symmetric in all individual demands. If the cost function is additively separable, each agent pays her stand alone cost under full responsibility; this holds true under partial responsibility only if, in addition, the cost function is symmetric. By generalizing Moulin and Shenker’s (1999) Distributivity axiom to cost-sharing methods for heterogeneous goods, we identify in each of our two theories a different serial method. The subsidy-free serial method (Moulin, 1995) is essentially the only distributive method meeting Ranking and Dummy. The cross-subsidizing serial method (Sprumont, 1998) is the only distributive method satisfying Separability and Strong Ranking. Finally, we propose an alternative characterization of the latter method based on a strengthening of Distributivity.

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Public policies often involve choices of alternatives in which the size and the composition of the population may vary. Examples are the allocation of resources to prenatal care and the design of aid packages to developing countries. In order to assess the corresponding feasible choices on normative grounds, criteria for social evaluation that are capable of performing variable-population comparisons are required. We review several important axioms for welfarist population principles and discuss the link between individual well-being and the desirability of adding a new person to a given society.

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We study the assignment of indivisible objects with quotas (houses, jobs, or offices) to a set of agents (students, job applicants, or professors). Each agent receives at most one object and monetary compensations are not possible. We characterize efficient priority rules by efficiency, strategy-proofness, and reallocation-consistency. Such a rule respects an acyclical priority structure and the allocations can be determined using the deferred acceptance algorithm.

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We study a simple model of assigning indivisible objects (e.g., houses, jobs, offices, etc.) to agents. Each agent receives at most one object and monetary compensations are not possible. We completely describe all rules satisfying efficiency and resource-monotonicity. The characterized rules assign the objects in a sequence of steps such that at each step there is either a dictator or two agents who “trade” objects from their hierarchically specified “endowments.”

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Social exclusion manifests itself in the lack of an individual’s access to functionings as compared to other members of society. Thus, the concept is closely related to deprivation. We view deprivation as having two basic determinants: the lack of identification with other members of society and the aggregate alienation experienced by an agent with respect to those with fewer functioning failures. We use an axiomatic approach to characterize classes of deprivation and exclusion measures and apply some of them to EU data for the period from 1994 to 2000.