نتایج جستجو برای: نگاشت شناختی فازی طبقهبندی jel g23 h55 j32

تعداد نتایج: 75106  

2007
Niku Määttänen Panu Poutvaara

Should Old-Age Benefits Be Earnings-Tested? We study the welfare effects of earnings testing flat-rate old-age benefits in a quantitative overlapping generations model with idiosyncratic labor income risk. In our model economy, even a moderate earnings testing reduces individuals’ expected lifetime utility, whenever other taxes are taken into account. Moreover, it also lowers the realized lifet...

ژورنال: :فصلنامه مدیریت توسعه فناوری 2015
سمیرا کرانی محمد مهدی سپهری توکتم خطیبی

یکی از روش‏های درمان نارسایی قلبی، رگ‏گشایی شریان‏های کرونری است که موفقیت آن امید به زندگی در بیمار را افزایش داده، بیمار را به زندگی عادی برمی‏گرداند. هر ساله بخشی از دانش تولید شده در پژوهش‏های رگ‏گشایی شریان‏های کرونری به‏صورت مقاله علمی ارایه می شود. استخراج دانش نهفته در این مقالات دسترسی به دانش ضمنی این زیرشاخه از دانش را تسهیل کرده، تصویری جامع از دانش آن ارائه می‏کند. هدف این تحقیق اس...

Journal: :The Review of Corporate Finance Studies 2022

Abstract This paper examines racial disparities in mortgage processing time prior to the global financial crisis. We find that Black borrowers are underrepresented and experience a longer than white among mortgages securitized by government-sponsored enterprises (GSEs). At same time, borrower overrepresented face similar privately (PLS) mortgages. Additionally, strongly associated with faster s...

پایان نامه :وزارت علوم، تحقیقات و فناوری - موسسه آموزش عالی مهر البرز - مرکز آموزش الکترونیکی 1390

با رشد روزافزون کسب وکارها، خدمات و سیستم های آنلاین در دهه های اخیر، پیچیدگی مرتبط با رفتار مصرف کننده آنلاین افزایش یافته و متعاقبا رضایتمندی وی به عنوان یکی از مهم ترین عوامل موفقیت کسب و کارها در فضای آنلاین مطرح می گردد که آن نیز از پیچیدگی تعاملات اجتماعی دنیای مدرن از جنبه های مختلف و متعدد تاثیر می پذیرد. در این راستا بسیاری از محققان به شناسایی عوامل موثر در رضایتمندی مصرف کننده آنلاین...

2006
Dirk Krueger

In this paper I discuss the role a progressive income tax system and a redistributive pay as you go (PAYGO) social security system can play in insuring and reallocating idiosyncratic as well as aggregate risk. I also argue that the underlying source of market failures generating such a role for government intervention may be crucial when determining the normative consequences of such social ins...

2006
Armando Barrientos

This paper examines retirement behaviour and household income for older persons in Chile. It pays close attention to the sources of household income, income inequalities, and the economic vulnerability of older persons. This is important in order to evaluate whether labour market and social security reform in Latin America will improve the welfare of older groups, and especially their vulnerabi...

2014
Jan K. Brueckner David Neumark

Rent extraction by public sector workers may be limited by the ability of taxpayers to vote with their feet. But rent extraction may be higher in regions where high amenities mute the migration response. This paper develops a theoretical model that predicts such a link between public sector wage differentials and local amenities, and the predictions are tested by analyzing variation in these di...

2013
Ilya Rahkovsky

Disclosure of private medical information allows insurance companies to better predict medical expenditures. The premiums the companies charge the insured employees reflect these expenditures. This paper studies incentives of employees to disclose their medical information. I find that healthier employees prefer to disclose medical information that results in a disclosure plan having a lower pr...

2012
Gopi Shah Goda Colleen Flaherty

We study the effect of incorporating heterogeneity into default rules by examining the choice between retirement plans at a firm which transitioned from a defined benefit (DB) to a defined contribution (DC) plan. The default plan for existing employees varied discontinuously depending on their age. Employing regression discontinuity techniques, we find that the default increased the probability...

2000
Jeffrey R. Brown John F. Kennedy

This paper examines household decisions about whether or not to annuitize retirement resources. A lifecycle model of consumption, implemented with the use of dynamic programming techniques, is used to construct a utility-based measure of annuity value for individuals and couples in the Health and Retirement Survey. Variation in the calculated “annuity equivalent wealth” arises from differences ...

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