Results 151 to 160 of about 7,557,466 (286)

La viabilidad del modelo social europeo

open access: yes, 2017
El Modelo Social Europeo (MSE) se legitima en la pervivencia de los Estados del Bienestar (EBs). En el orden global, la lógica del MSE contrasta con la de otros sistemas alternativos: el “neoesclavismo” emergente asiático y la emercantilización individualista anglo-norteamericana.
openaire   +2 more sources

Unexpected spatial aggregation between two species of hummingbirds and their inconsistent spatial interactions with native and exotic plants in an urban ecological reserve

open access: yesIbis, EarlyView.
Hummingbirds play an important role as pollinators and are one of the primary examples of animal–plant coevolution. However, factors such as land‐use change, urbanization, exotic species introductions and the disappearance of native plants can negatively affect the persistence of hummingbird populations.
Gonzalo A. Ramírez‐Cruz   +4 more
wiley   +1 more source

Hacia un nuevo modelo social

open access: yes, 2001
Todo presupuesto implica un pacto implícito entre el gobierno y los ciudadanos: si estos pagan sus impuestos, el gobierno prestará determinados servicios y realizará determinadas obras. Los ciudadanos han cumplido con su parte del trato: durante la convertibilidad, la recaudación de impuestos creció un 4% anual (actualmente, en medio de un período de ...
openaire   +1 more source

Portfolio Optimization for Pension Purposes: Literature Review

open access: yesJournal of Economic Surveys, EarlyView.
ABSTRACT This systematic review identifies persistent challenges and gaps in the literature on pension portfolio optimization models. We searched, selected, and critically analyzed 82 articles from three major academic databases published over the past decade to investigate the barriers to the effective implementation of these models.
Leonardo Moreira   +2 more
wiley   +1 more source

Palaces for a New Spain Nobility: Between Creole Identity and Academicism

open access: yesSociology Lens, Volume 38, Issue 1, Page 75-86, March 2025.
ABSTRACT Mexico City and Havana had a significant number of noble palaces during the eighteenth century. Until now, the dearth of historical documentation on their construction has hampered any approximation, requiring other methodologies. Here, it is intended to establish how a new visual code was defined, consistent both with their local style and ...
Pedro Luengo
wiley   +1 more source

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