| |
|
|
|
|
|
|
|
1. |
Record Nr. |
UNINA9910788234003321 |
|
|
Autore |
Schwartz Moisés |
|
|
Titolo |
Consumer Confusion : : The Choice of AFORE / / Moisés Schwartz, Enrique Domínguez, Roberto Calderón-Colín |
|
|
|
|
|
|
|
Pubbl/distr/stampa |
|
|
Washington, D.C. : , : International Monetary Fund, , 2008 |
|
|
|
|
|
|
|
ISBN |
|
1-4623-5680-X |
1-4527-8237-7 |
9786612841286 |
1-282-84128-9 |
1-4518-7035-3 |
|
|
|
|
|
|
|
|
Descrizione fisica |
|
1 online resource (63 p.) |
|
|
|
|
|
|
Collana |
|
IMF Working Papers |
IMF working paper ; ; WP/08/177 |
|
|
|
|
|
|
|
|
Altri autori (Persone) |
|
DomínguezEnrique |
Calderón-ColínRoberto |
|
|
|
|
|
|
|
|
Disciplina |
|
|
|
|
|
|
Soggetti |
|
Pension trusts - Mexico - Management - Econometric models |
Competition - Mexico - Econometric models |
Finance: General |
Labor |
Public Finance |
Social Security and Public Pensions |
Nonwage Labor Costs and Benefits |
Private Pensions |
Retirement |
Retirement Policies |
General Financial Markets: General (includes Measurement and Data) |
National Government Expenditures and Related Policies: General |
Pensions |
Labour |
income economics |
Finance |
Public finance & taxation |
Pension spending |
Competition |
Expenditure |
Expenditures, Public |
Mexico |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Lingua di pubblicazione |
|
|
|
|
|
|
Formato |
Materiale a stampa |
|
|
|
|
|
Livello bibliografico |
Monografia |
|
|
|
|
|
Note generali |
|
Description based upon print version of record. |
|
|
|
|
|
|
Nota di bibliografia |
|
Includes bibliographical references. |
|
|
|
|
|
|
Nota di contenuto |
|
Contents; I. Introduction; II. The Choice of AFORE in Mexico; A. Inelasticity of Demand and Switching among Fund Managers; Figures; 1. Switches; 2. Turnover Ratio for Mexico and Chile; Tables; 1. Regression Analysis 1; 2. Regression Analysis 2; 3. Switches In 2006; 4. Gain or Loss after Switching Workers' Estimated Balance at the Age of Retirement; 5. Gain or Loss after Switching Workers' Estimated Balance after a Five-Year Period; 6. Loss from not Switching to the to the "Optimal" AFORE Workers' Estimated Balance at the Age of Retirement |
7. Loss from not Switching to the "Optimal" AFORE Workers' Estimated Balance after a Five-Year Period B. The Effectiveness of an Increase in Supply; 3. Gain/Loss in Balances for Hypothetical Cases of Workers that began accruing; 4. Winners and Losers Due to Decreases in Fees; 5. Changes in Balances Due to Decreases in Fees; III. Consumer's "Confusion" and "Noise"; A. Theoretical Framework; B. Statistical Analysis of Possible "Noise" Distributions |
8. "Noise Distribution" Percentage Loss in Pension Balances at Retirement Age Due to "Sub-Optimal" Choice of AFORE Fitted by the Normal and Weibull Distributions.9. "Noise Distribution" Percentage Loss in Pension Balances After A Five-year Period Due to "Sub-Optimal" Choice of AFORE Fitted By The Normal and Weibull Distributions; C. Mark-up Estimation in the AFORE Industry; 6. Mark-up According to the Number of AFOREs; IV. Empirical Study; A. Measurement of "Noise" and Consumer "Confusion"; B. Econometric Framework to Measure "Confusion's " Relative Importance; C. Empirical Results |
V. Concluding Remarks Annexes; I. The Model; II. Questionnaires; References |
|
|
|
|
|
|
|
|
Sommario/riassunto |
|
This paper was prepared for the World Bank 4th Annual Contractual Savings Conference (Washington DC, April 2008) co-organized by Gregorio Impavido (gimpavido@imf.org). The article shows that account transfers among pension administrators in Mexico barely respond to price or return considerations and in general has not improved the consumer's pension balance. Instead of strengthening competition through lower fees and higher returns for the consumer, AFORE switching has so far undermined the system and resulted in the destruction of value. Moreover, "noisy" evaluations of the product by the consumer tend to undermine the power of competition. Thus, an increased number of pension fund managers has not provided a more competitive environment. The theoretical framework allows for the estimation of "noise" and mark-ups in the AFORE industry. As the number of AFOREs increases, the mark-up diminishes at a very slow rate. This implies that more participants in the industry will hardly affect prices. |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2. |
Record Nr. |
UNINA9910823260303321 |
|
|
Autore |
Gathen Joachim von zur |
|
|
Titolo |
Modern computer algebra / / Joachim von zur Gathen, Jürgen Gerhard |
|
|
|
|
|
Pubbl/distr/stampa |
|
|
Cambridge : , : Cambridge University Press, , 2013 |
|
|
|
|
|
|
|
ISBN |
|
9781139856065 |
1-316-09077-9 |
1-107-24805-1 |
1-107-03903-7 |
1-139-85606-5 |
1-107-25054-4 |
1-107-24888-4 |
1-107-24971-6 |
|
|
|
|
|
|
|
|
Edizione |
[Third edition.] |
|
|
|
|
|
Descrizione fisica |
|
1 online resource (xiii, 795 pages) : digital, PDF file(s) |
|
|
|
|
|
|
Disciplina |
|
|
|
|
|
|
Soggetti |
|
Algorismes computacionals |
Àlgebra - Informàtica |
Informàtica - Matemàtica |
Algebra - Data processing |
Computer algorithms |
Computer science - Mathematics |
|
|
|
|
|
|
|
|
Lingua di pubblicazione |
|
|
|
|
|
|
Formato |
Materiale a stampa |
|
|
|
|
|
Livello bibliografico |
Monografia |
|
|
|
|
|
Note generali |
|
Title from publisher's bibliographic system (viewed on 05 Oct 2015). |
|
|
|
|
|
|
Nota di bibliografia |
|
Includes bibliographical references and index. |
|
|
|
|
|
|
Nota di contenuto |
|
1. Cyclohexane, cryptography, codes, and computer algebra -- 2. Fundamental algorithms -- 3. The Euclidean algorithm -- 4. Applications of the Euclidean algorithm -- 5. Modular algorithms and interpolation -- 6. The resultant and gcd computation -- 7. Application: decoding BCH codes -- 8. Fast multiplication -- 9. Newton iteration -- 10. Fast polynomial evaluation and interpolation -- 11. Fast Euclidean algorithm -- 12. Fast linear algebra --13. Fourier transform and image compression -- 14. Factoring polynomials over finite fields -- 15. Hensel lifting and factoring polynomials -- 16. Short vectors in lattices -- 17. Applications of basis reduction -- 18. Primality testing -- 19. Factoring integers -- 20. Application: public |
|
|
|
|
|
|
|
|
|
|
|
key cryptography -- 21. Gröbner bases -- 22. Symbolic integration -- 23. Symbolic summation -- 24. Applications -- 25. Fundamental concepts. |
|
|
|
|
|
|
Sommario/riassunto |
|
Computer algebra systems are now ubiquitous in all areas of science and engineering. This highly successful textbook, widely regarded as the 'bible of computer algebra', gives a thorough introduction to the algorithmic basis of the mathematical engine in computer algebra systems. Designed to accompany one- or two-semester courses for advanced undergraduate or graduate students in computer science or mathematics, its comprehensiveness and reliability has also made it an essential reference for professionals in the area. Special features include: detailed study of algorithms including time analysis; implementation reports on several topics; complete proofs of the mathematical underpinnings; and a wide variety of applications (among others, in chemistry, coding theory, cryptography, computational logic, and the design of calendars and musical scales). A great deal of historical information and illustration enlivens the text. In this third edition, errors have been corrected and much of the Fast Euclidean Algorithm chapter has been renovated. |
|
|
|
|
|
|
|
| |