17,111 research outputs found
Better prepared for retirement? Using panel data to improve wealth estimates of ELSA respondents
We compare the key assumptions underpinning estimates of the pension wealth of ELSA respondents to outcomes over the period from 2002â03 to 2004â05. We find that many of these assumptions have, on average, proved cautious or reasonable. Improving pension wealth calculations using this new evidence makes little difference to the distribution of pension wealth. Previous estimates of retirement resources also considered net financial, physical and housing wealth. Particularly cautious, ex-post, was the assumption that net housing wealth would remain constant in real terms. We find that average housing wealth has risen by almost 40% in nominal terms over just two years, which is in line with growth in the Nationwide House Price Index. This large increase in house prices boosts estimates of total wealth across the entire distribution of wealth. Previous research showed that once half of current net housing wealth was included as a retirement resource 12.6% of employees approaching retirement were estimated to have resources below the Pensions Commissionâs definition of adequacy. We show that taking into account the high growth in house prices between 2002â03 and 2004â05 reduces this to 10.9%, and that it would fall by a further 1.2 percentage points if house prices were to grow by 2Âœ% a year in real terms in the future
Sputtering Holes with Ion Beamlets
Ion beamlets of predetermined configurations are formed by shaped apertures in the screen grid of an ion thruster having a double grid accelerator system. A plate is placed downstream from the screen grid holes and attached to the accelerator grid. When the ion thruster is operated holes having the configuration of the beamlets formed by the screen grid are sputtered through the plate at the accelerator grid
Preparing for retirement: the pension arrangements andretirement expectations of those approaching state pension age in England
This paper provides a detailed analysis of individuals inhouseholds in England aged between 50 and the State PensionAge in terms of their private pension arrangements and currentnon-pension assets alongside their expectations of futureeconomic circumstances. Our descriptive findings include thatmembers of defined benefit pensions have higher average levelsof current earnings than members of defined contributionpensions and that median expected private pension income inretirement is highest for current members of defined benefitschemes. We find that on average those who have, or have had,a private pension have greater non-pension wealth than thosewho have never had a private pension. In terms of expectationsof the future we find that it is those who have the fewest assetswho have the least attachment to the labour market and are farless likely to expect any inheritance. Hence we conclude thatinequalities in different dimensions of retirement resources tendto reinforce themselves as opposed to offset each other
Estimating pension wealth of ELSA respondents
This paper explains the methodology used for calculating pensionwealth for all individuals in the first wave of the EnglishLongitudinal Study of Ageing (ELSA). We focus on the pensionwealth of individuals aged between 50 and the state pension age.Both state and private pension wealth has been calculated and eachhas been calculated both on the basis of immediate retirement in2002 and on the basis of retirement at the state pension age.Sensitivity analysis of our assumptions is also presented, whichshows that the distribution of pension wealth is sensitive to ourassumptions about the discount rate and contracting out historiesbut insensitive to assumptions about future earnings growth, futureannuity rates and future asset returns
CT-duality as a local property of the world-sheet
In the present article, we study the local features of the world-sheet in the
case when probe bosonic string moves in antisymmetric background field. We
generalize the geometry of surfaces embedded in space-time to the case when the
torsion is present. We define the mean extrinsic curvature for spaces with
Minkowski signature and introduce the concept of mean torsion. Its orthogonal
projection defines the dual mean extrinsic curvature. In this language, the
field equation is just the equality of mean extrinsic curvature and extrinsic
mean torsion, which we call CT-duality. To the world-sheet described by this
relation we will refer as CT-dual surface.Comment: Latex, 15 pages, 2 Figure
A Pyramid Scheme for Particle Physics
We introduce a new model, the Pyramid Scheme, of direct mediation of SUSY
breaking, which is compatible with the idea of Cosmological SUSY Breaking
(CSB). It uses the trinification scheme of grand unification and avoids
problems with Landau poles in standard model gauge couplings. It also avoids
problems, which have recently come to light, associated with rapid stellar
cooling due to emission of the pseudo Nambu-Goldstone Boson (PNGB) of
spontaneously broken hidden sector baryon number. With a certain pattern of
R-symmetry breaking masses, a pattern more or less required by CSB, the Pyramid
Scheme leads to a dark matter candidate that decays predominantly into leptons,
with cross sections compatible with a variety of recent observations. The dark
matter particle is not a thermal WIMP but a particle with new strong
interactions, produced in the late decay of some other scalar, perhaps the
superpartner of the QCD axion, with a reheat temperature in the TeV range. This
is compatible with a variety of scenarios for baryogenesis, including some
novel ones which exploit specific features of the Pyramid Scheme.Comment: JHEP Latex, 32 pages, 1 figur
Optimal feedback control infinite dimensional parabolic evolution systems: Approximation techniques
A general approximation framework is discussed for computation of optimal feedback controls in linear quadratic regular problems for nonautonomous parabolic distributed parameter systems. This is done in the context of a theoretical framework using general evolution systems in infinite dimensional Hilbert spaces. Conditions are discussed for preservation under approximation of stabilizability and detectability hypotheses on the infinite dimensional system. The special case of periodic systems is also treated
State pensions and the well-being of the elderly in the UK
This paper presents the trends seen over the last quarter of the 20thCentury in various indicators of the well-being of the elderlyalongside those seen for the young. Specifically we look at measuresof both the level and distribution of income and expenditure, andself-reported measures of life satisfaction and health. We thenexploit the substantial reforms to the UK pension system over thisperiod to examine the impact of reforms to state pensions on theseoutcomes. We find that increases in the generosity of state pensionshave led to increased incomes of the elderly and reductions inmeasures of both relative and absolute income poverty. We also findthat increased state pensions have led to increased expenditure bythe elderly. It is perhaps not surprising that in the UK the reformsto the generosity of state pensions have affected outcomes amongthe elderly (instead of being fully offset by individuals when theywere younger) given that often very little (pre-retirement) notice wasgiven, and that some of the reforms were of a substantial magnitude. This paper presents the trends seen over the last quarter of the 20thCentury in various indicators of the well-being of the elderlyalongside those seen for the young. Specifically we look at measuresof both the level and distribution of income and expenditure, andself-reported measures of life satisfaction and health. We thenexploit the substantial reforms to the UK pension system over thisperiod to examine the impact of reforms to state pensions on theseoutcomes. We find that increases in the generosity of state pensionshave led to increased incomes of the elderly and reductions inmeasures of both relative and absolute income poverty. We also findthat increased state pensions have led to increased expenditure bythe elderly. It is perhaps not surprising that in the UK the reformsto the generosity of state pensions have affected outcomes amongthe elderly (instead of being fully offset by individuals when theywere younger) given that often very little (pre-retirement) notice wasgiven, and that some of the reforms were of a substantial magnitude
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