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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
191

Spectral structures in econometrics modern techniques in wavelet analysis and band limited estimation

Cascio, Iolanda L. O. January 2007 (has links)
No description available.
192

Value and price : a critical analysis of the 'transformation problem'

Goicoechea Moreno, J. F. January 1979 (has links)
Academic economists have spent decade after decade in groping attempts to find a new solution to the "Problem" of transforming commodity values into forces of production, to replace the one provided in Marx's Capital. A large number of attempted solutions have been proposed, none of which can be considered as satisfactory. Nevertheless, this modern hydra draws book the veil to reveal what it hides. Thus, what interests us here, is not the difference of shade among the solutions that have been offered to the presupposed "Problem," but rather the nature of the "Problem" itself and those assumptions on which the "Problem" rests. The thesis as a whole takes as a starting point, and rotates around, the work of Ladislaus von Bortkiewicz, foremost propounder of the "Transformation Problem". Before attempts to solve the "Problem" can be made, the "Problem" itself and its terms of reference - which cannot be taken as articles of faith - must be thoroughly examined in scrupulous detail. It is necessary to contrast these terms of reference with the most general and the most abstract elements characterising the bourgeois mode of production as exposed in Marx's Capital. It is an important argument of this thesis that theme economists, and von Bortkiewicz in particular, have failed to pay adequate attention to the assumptions from which this "Problem" is derived, although these are fully examined by Marx. Through a critique of von Bortkiewicz, including consideration of his replacement of value merely by indexes, the thesis sets forth the bourgeois doctrine of value which underlies the "Transformation Problem" and the doctrine's inherent links with Léon Walras, along with Pierre Joseph Proudhon and Eugen Dühring, and shows how this doctrine modifies Capital, Vol. I. These modifications are shown to constitute an insurmountable barrier to recognising the achievements of classical political economists: they weaken our understanding of Adam Smith in explaining how the differences in the skill of labour materialised undergo equalisation, and of David Ricardo, especially in analysing the extent - or magnitude - of value. Value and price are each confined by von Bortkiewicz into a separate system of its own, leading to self-contained principles of accounting not necessarily in monetary terms. The strength or weakness of these two systems is considered by examining their explicit assumptions. In particular, they are confronted with Marx's own three components of commodity value, namely, constant and variable capital and surplus value on its own or in its modified form, i.e. profit. The "Transformation Problem" is dealt with as an outcome both of the bourgeois doctrine of value and of the dual system of accounts, and its inner coherency is systematically and repeatedly tested and it is found to be unsatisfactory. In spite of claiming conversion of values into prices, von Bortkiewicz is found to be exclusively modifying his price-calculation, while value-calculation is obliterated by him.
193

Outsourcing warranty repairs : models for the allocation of failed items to multiple vendors

Ding, L. January 2007 (has links)
We consider a scenario in which several external service vendors are contracted to repair purchased items which fail under warranty. We develop and analyze various allocation models concerning how the repair work should be distributed among the vendors in a cost-effective manner. Furthermore, we depart from previous work by arguing the importance of approaches to the modelling of goodwill costs which penalize long waits experienced by individual customers. We firstly study a simple static allocation model with a fixed warranty population. Both theoretical considerations and numerical results show that a simple greedy approach to the distribution of items under static models works outstandingly well. However, such a static formulation ignores the stochastic nature of the warranty population. Hence, we develop a second allocation model in which new equipment purchases are made according to a compound Poisson process. As in the static allocation model, the current information regarding the repair queue at each vendor is not available to inform decisions. The resulting dynamic optimization problem is non-standard. We develop an effective allocation procedure to this non-standard problem using a dynamic programming policy improvement approach. We report representative results from a simulation investigation to evaluate the status of the allocation heuristic developed in comparison to two simpler heuristics suggested by static models. Thirdly, we propose a dynamic allocation model which utilizes data on the queue length at each vendor for decisions on the routing of real-time failures to the vendors. Due to the problem size and state space in practice, traditional stochastic dynamic programming is not a realistic and computationally viable option. Hence, Whittle’s restless bandits approach is deployed to develop the index-based heuristic for this dynamic allocation problem. A crucial theoretical result in this part of the study is that the system considered is indeed indexable.
194

Essays on US consumer inflation expectations

Anderson, Robert Duncan James January 2008 (has links)
No description available.
195

The Impact of Payment Systems on Dentists

Young, Linda January 2009 (has links)
No description available.
196

A structural breaks approach to modelling United States inflation

Malki, Issam January 2008 (has links)
No description available.
197

Four essays on residential segregation

Vargas, Miguel January 2011 (has links)
No description available.
198

Random orthogonal matrix simulation with financial applications

Ledermann, Daniel January 2010 (has links)
No description available.
199

Economic Growth in Transition Economies : 1989-2004

Lee, Jong-Kyu January 2008 (has links)
No description available.
200

Dynamic economics

Monticini, Andrea January 2010 (has links)
No description available.

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