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Sustainability of social security in a model of endogenous fertility [PDF]

open access: yesSustainability of social security in a model of endogenous fertility
Social security tends to be unsustainable in nature in that it reduces individuals' demand for children as a measure to support their old age, which in turn undermines the financial base of social security. Using a simple overlapping-generations model with endogenous fertility and income transfer from children to parents, we discuss the maximum size of
Oshio, Takashi, Yasuoka, Masaya
openaire   +2 more sources

Research on bionic mechanism based endogenous security defense system

open access: yes网络与信息安全学报, 2021
Shell-based security defense technologies such as firewall, intrusion detection and anti-virus cannot be updated in a timely fashion upon identification of attacks.
HU Aiqun, FANG Lanting, LI Tao
doaj   +3 more sources

Endogenous Entry to Security-Bid Auctions [PDF]

open access: yesAmerican Economic Review, 2016
We endogenize entry to a security-bid auction, where participation is costly and bidders must decide given their private valuations whether to participate. We first consider any minimum reserve security-bid of a fixed expected value that weakly exceeds the asset's value when retained by the seller.
Liu, T, Bernhardt, D, Sogo, T
openaire   +3 more sources

Intrinsic assurance: a systematic approach towards extensible cybersecurity

open access: yes网络与信息安全学报, 2023
At present, the mainstream cyber security systems are laid out in an alienated style, where security functions are separated from business processes, and security products are isolated from each other.It is difficult to effectively cope with increasingly
Xunxun CHEN   +3 more
doaj   +3 more sources

A Survey on 5G and LPWAN-IoT for Improved Smart Cities and Remote Area Applications: From the Aspect of Architecture and Security

open access: yesSensors, 2022
Addressing the recent trend of the massive demand for resources and ubiquitous use for all citizens has led to the conceptualization of technologies such as the Internet of Things (IoT) and smart cities.
Emmanuel Utochukwu Ogbodo   +2 more
doaj   +1 more source

ENDOGENOUS DEMOGRAPHIC CHANGE, RETIREMENT, AND SOCIAL SECURITY [PDF]

open access: yesMacroeconomic Dynamics, 2019
In this paper, we analyze the effects of demographic change on a pay-as-you-go (PAYG) pension system, financed with a defined contribution scheme. In particular, we examine the relationship between retirement, fertility, and pensions in a three-period overlapping generations model.
Giam Pietro Cipriani, Tamara Fioroni
openaire   +3 more sources

Nevada National Security Site Waste Acceptance Criteria [PDF]

open access: yes, 2010
This document establishes the U.S. Department of Energy, National Nuclear Security Administration Nevada Site Office (NNSA/NSO) Nevada National Security Site Waste Acceptance Criteria (NNSSWAC).
National Security Technologies, LLC
core   +1 more source

THE ENDOGENOUS DETERMINATION OF RETIREMENT AGE AND SOCIAL SECURITY BENEFITS [PDF]

open access: yesMacroeconomic Dynamics, 2012
An aging population in modern societies has put stress on public pension systems. To prevent social security deficits from increasing to unbounded levels of public debt we focus on two policies: reducing the generosity of pension benefits, determined by the government, and postponing the effective retirement age, chosen by employees.
Cabo García, Francisco José   +1 more
openaire   +2 more sources

Changing Homeland Security: What is Homeland Security? [PDF]

open access: yes, 2008
This article appeared in Homeland Security Affairs (June 2008), v.4 no.2This report published in the June 2008 edition of the Homeland Security Affairs Journal, attempts to address the question of what exactly is Homeland Security and what exactly do ...
Bellavita, Christopher
core   +2 more sources

Changing Homeland Security In 2010: Was Homeland Security Useful? [PDF]

open access: yes, 2011
This article appeared in Homeland Security Affairs (February 2011), v.7 no.1The failure of public safety disciplines to prevent the September 11, 2001 attack gave 'homeland security' its chance to emerge as a competing paradigm for organizing the nation'۪
Bellavita, Christopher
core   +2 more sources

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