Results 71 to 80 of about 9,443 (147)

Endogenous retirement and public pension system reform in Spain [PDF]

open access: yes, 2001
All around the world , developed countries have resorted to parametric reforms of their Social Security systems, in an attempt to lessen the impact of the population aging.
Sánchez Martín, Alfonso R.
core   +1 more source

The Effect of Sociodemographic Factors on Female Educational Attainment: An Application of the Multipopulation Curie–Weiss Model

open access: yesJournal of Applied Mathematics, Volume 2024, Issue 1, 2024.
In recent times, there have been a lot of advocacies to encourage females of all ages to pursue education to the highest level. The Government of Ghana and its stakeholders have championed this to achieve the Sustainable Development Goal 4 in this regard. However, progress has been on a snail’s pace. In this study, we employed the multipopulation Curie–
Richard Kwame Ansah   +6 more
wiley   +1 more source

Rigorous treatment of barycentric stellar motion: Perspective and light-time effects in astrometric and radial velocity data

open access: yes, 2014
High-precision astrometric and radial-velocity observations require accurate modelling of stellar motions in order to extrapolate measurements over long time intervals, and to detect deviations from uniform motion caused for example by unseen companions.
Butkevich, Alexey G., Lindegren, Lennart
core   +1 more source

Technical Progress and Early Retirement [PDF]

open access: yes
This paper claims that technical progress induces early retirement of older workers. Technical progress erodes technology specific human capital. Since older workers have shorter career horizons, there is less incentive for them or for their employers to
Avner Ahituv, Joeph Zeira
core  

Savings, child support, pensions and endogenous (and heterogeneous) fertility [PDF]

open access: yes, 2013
van Groezen, Leers and Meijdam (2003) (for short, GLM) analyzed combination of public pension and child support in an OLG model. We impose credit constraint on workers, and extend GLM's analysis from the case where workers do not understand the cost also
Simonovits, András
core  

3-dimensional Gravity from the Turaev-Viro Invariant

open access: yes, 1991
We study the $q$-deformed su(2) spin network as a 3-dimensional quantum gravity model. We show that in the semiclassical continuum limit the Turaev-Viro invariant obtained recently defines naturally regularized path-integral $\grave{\rm a}$ la Ponzano ...
B. Hasslacher   +10 more
core   +1 more source

Incentivos al trabajo y cobertura de riesgos de los programas de pensiones: el caso de Uruguay

open access: yesEconómica, 2015
Estudios previos han demostrado que en países industrializados las provisiones de seguridad social pueden inducir a un retiro temprano del mercado de trabajo.
Anna Caristo
doaj  

Dynamical and point symmetry of the Kondo effect in triangular quantum dot

open access: yes, 2004
In this work we concentrate on the {\it point symmetry} of triangular triple quantum dot and its interplay with the {\it spin rotation symmetry} in the context of Kondo tunneling through this kind of artificial molecule.
Anderson   +23 more
core   +1 more source

Comparative Transcriptome Analysis of Sprouting Capabilities of Sweet Potato Storage Roots with Low and High Virus Levels

open access: yesAgriculture
Sweet potato (Ipomoea batatas (L.) Lam.) is an important root crop in China, playing significant roles in ensuring national food security and increasing farmers’ income.
Zhicheng Jiang   +6 more
doaj   +1 more source

Spousal Effect and Timing of Farmers' Early Retirement Decisions [PDF]

open access: yes
The retirement decisions of individuals are strongly influenced by spousal retirement, financial incentives and institutional constraints such as access to early retirement benefits.
Vare, Minna
core   +1 more source

Home - About - Disclaimer - Privacy