Ken Johnston, John Hatem, Thomas Carnes and Arman Kosedag
The purpose of this paper is to compare simple dynamic withdrawal strategies with the static withdrawal method, examining not only failure rates and ending wealth but also…
Abstract
Purpose
The purpose of this paper is to compare simple dynamic withdrawal strategies with the static withdrawal method, examining not only failure rates and ending wealth but also spending. All withdrawal strategies are adjusted for the Internal Revenue Service’s (IRS) required minimum distribution (RMD). In addition, this study investigates the use of small company stocks (SCS) in place of large company stocks (LCS). Results indicate SCS portfolios are superior to large. When returns are poor, some dynamic strategies will not ensure income for life. This study demonstrates that the simplest dynamic strategy is superior to two popular dynamic strategies.
Design/methodology/approach
Using historical overlapping periods, different withdrawal strategies are examined. Previous studies focused on failure rates and ending wealth. As discussed in Milevsky (2016) different statistical distributions can have similar tail properties (prob of failure) but dissimilar risk and return profile. The detailed examination of both spending and use of small stocks advances the literature in this area.
Findings
Results indicate that use of small stocks is superior to using large stocks in the portfolios. When US historical stock returns are adjusted downward, there is the potential that some dynamic strategies will not ensure income for life. This study demonstrates that the simplest dynamic strategy is superior to two popular dynamic strategies.
Originality/value
This paper is the first to examine, in detail, annual spending results for the retiree. Second, it is shown that, overall, SCS are superior to LCS for all stock/bond allocations. Even though absolute downside risk increases slightly, this increase in downside risk is dominated by the upside potential. In other words, the positive skewness of small stock returns along with the cumulative effects of compounding at a higher rate increases both the available wealth for spending and ending wealth. Third, IRS’s RMDs are taken into account for every withdrawal strategy examined. Lastly, it demonstrates that the simplest dynamic strategy is superior to two popular dynamic strategies.
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Ken Johnston, John Hatem and Thomas A. Carnes
Most investors' retirement portfolios have inter‐period cash inflows. The standard time‐weighted mean return (or geometric mean return) is generally used to report returns on…
Abstract
Purpose
Most investors' retirement portfolios have inter‐period cash inflows. The standard time‐weighted mean return (or geometric mean return) is generally used to report returns on investors' retirement portfolios. The purpose of this paper is to examine the standard time‐weighted mean return and point out additional deficiencies in the time‐weighted mean in this situation, which have not been addressed in the literature.
Design/methodology/approach
The paper provides examples that point out additional deficiencies that arise using geometric mean returns as estimates of an individual investor's performance.
Findings
With inter‐period cash flows the dollar‐weighted return can be affected by both timing and the sequence of the asset return series even if the investor has constant inflows or outflows of capital. In contrast for these same asset return arrays, the time‐weighted mean return measure may be unaffected by these important variations in the return arrays, and thus may misrepresent actual investor results. This is an important point that has not been addressed in the literature.
Originality/value
With inter‐period cash flows the dollar‐weighted return can be affected by both timing and the sequence of the asset return series even if the investor has constant inflows or outflows of capital. In contrast for these same asset return arrays, the time‐weighted mean return measure may be unaffected by these important variations in the return arrays, and thus may misrepresent actual investor results. This is an important point that has not been addressed in the literature.
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Officially, of course, the world is now post-imperial. The Q’ing and Ottoman empires fell on the eve of World War I, and the last Leviathans of Europe's imperial past, the…
Abstract
Officially, of course, the world is now post-imperial. The Q’ing and Ottoman empires fell on the eve of World War I, and the last Leviathans of Europe's imperial past, the Austro-Hungarian and Tsarist empires, lumbered into the grave soon after. Tocsins of liberation were sounded on all sides, in the name of democracy (Wilson) and socialism (Lenin). Later attempts to remake and proclaim empires – above all, Hitler's annunciation of a “Third Reich” – now seem surreal, aberrant, and dystopian. The Soviet Union, the heir to the Tsarist empire, found it prudent to call itself a “federation of socialist republics.” Mao's China followed suit. Now, only a truly perverse, contrarian regime would fail to deploy the rhetoric of democracy.
Eric John Darling and Stephen Jonathan Whitty
The purpose of this paper is to describe the relationship between project work and stress. It examines how the conditions of project work negatively impact on an individual’s…
Abstract
Purpose
The purpose of this paper is to describe the relationship between project work and stress. It examines how the conditions of project work negatively impact on an individual’s mental and physical state of well-being, consequentially reducing organisational performance.
Design/methodology/approach
The authors systematically review the project management literature for sources of stress or stressors as it relates to Cooper and Marshall’s (1976) model of stress at work. The authors perform a thematic analysis on these stressors to reveal the “sub-stressor” conditions of project work.
Findings
A “model of projects as a source of stress at work” is developed. It shows the relationship between the sub-stressors of project work and the ill effects they have on mental and physical well-being of the project workforce.
Research limitations/implications
The findings of this study are constrained by the limits of a literature review process. This study has implications for research on stress in project work, as studies can benefit from the “model of projects as a source of stress at work”, which can be continually advanced to gain insights on the minimisation of physical and mental distress.
Practical implications
Many sectors including health, education, policing, aviation and military provide scenario-based training. In project management, a greater understanding of stressful scenarios and counter measures would improve health outcomes for project staff, human relations and project outcomes.
Originality/value
The study presents a comprehensive model of projects as a source of stress at work. It draws attention to the burden and cost of anxiety and stress placed on the project workforce. It makes the case for organisations and employees to take responsibility for the well-being of project staff.
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Saquifa B. Seraj, Maria Tsouroufli and Mohamed Branine
This chapter investigates the role of gender, mentoring and social capital and contributes to literature about the career development of women in senior management roles in the…
Abstract
This chapter investigates the role of gender, mentoring and social capital and contributes to literature about the career development of women in senior management roles in the National Health Service of the UK. It draws on a doctoral study of senior-level managers in a Scottish NHS Board. The data collected are: (i) documentary; (ii) quantitative; and (iii) qualitative. The quantitative data are collected through questionnaires, while the source of qualitative data is in-depth semi-structured interviews. The doctoral study is embedded within an interpretivist and feminist paradigm. Although access to mentoring and social capital was seen as likely to enhance the career progression of females to senior managerial roles, gendered work and family expectations, gendered organisational culture, and normative performances of gendered senior management were identified as obstacles in taking advantages of mentoring and social capital. To the best of our knowledge, this is the only piece of work that explicitly investigates the role of mentoring and social capital in managing gender diversity at the senior managerial positions of the NHS.
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Amber L. Stephenson, Amy B. Diehl, Leanne M. Dzubinski, Mara McErlean, John Huppertz and Mandeep Sidhu
Women in medicine face barriers that hinder progress toward top leadership roles, and the industry remains plagued by the grand challenge of gender inequality. The purpose of this…
Abstract
Women in medicine face barriers that hinder progress toward top leadership roles, and the industry remains plagued by the grand challenge of gender inequality. The purpose of this study was to explore how subtle and overt gender biases affect women physicians, physician leaders, researchers, and faculty working in academic health sciences environments and to further examine the association of these biases with workplace satisfaction. The study used a convergent mixed methods approach. Sampling from a list of medical schools in the United States, in conjunction with a list of each state's medical society, the authors analyzed the quantitative survey responses of 293 women in medicine. The authors conducted ordinary least squares multiple regression to assess the relationship of gender barriers on workplace satisfaction. Additionally, 132 of the 293 participants provided written open-ended responses that were explored using a qualitative content analysis methodology. The survey results showed that male culture, lack of sponsorship, lack of mentoring, and queen bee syndrome were associated with lower workplace satisfaction. The qualitative results provided illustrations of how participants experienced these biases. These results emphasize the obstacles that women face and highlight the detrimental nature of gender bias in medicine. The authors conclude by presenting concrete recommendations for managers endeavoring to improve the culture of gender equity and inclusivity.
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In this paper, I demonstrate an alternative explanation to the development of the American electricity industry. I propose a social embeddedness approach (Granovetter, 1985, 1992…
Abstract
In this paper, I demonstrate an alternative explanation to the development of the American electricity industry. I propose a social embeddedness approach (Granovetter, 1985, 1992) to interpret why the American electricity industry appears the way it does today, and start by addressing the following questions: Why is the generating dynamo located in well‐connected central stations rather than in isolated stations? Why does not every manufacturing firm, hospital, school, or even household operate its own generating equipment? Why do we use incandescent lamps rather than arc lamps or gas lamps for lighting? At the end of the nineteenth century, the first era of the electricity industry, all these technical as well as organizational forms were indeed possible alternatives. The centralized systems we see today comprise integrated, urban, central station firms which produce and sell electricity to users within a monopolized territory. Yet there were visions of a more decentralized electricity industry. For instance, a geographically decentralized system might have dispersed small systems based around an isolated or neighborhood generating dynamo; or a functionally decentralized system which included firms solely generating and transmitting the power, and selling the power to locally‐owned distribution firms (McGuire, Granovetter, and Schwartz, forthcoming). Similarly, the incandescent lamp was not the only illuminating device available at that time. The arc lamp was more suitable for large‐space lighting than incandescent lamps; and the second‐generation gas lamp ‐ Welsbach mantle lamp ‐ was much cheaper than the incandescent electric light and nearly as good in quality (Passer, 1953:196–197).
Lawrence P. Grasso and Thomas Tyson
This study investigates the relationship between lean manufacturing practices, management accounting and performance measurement (MAC & PM) practices, organizational strategy…
Abstract
This study investigates the relationship between lean manufacturing practices, management accounting and performance measurement (MAC & PM) practices, organizational strategy, structure, and culture, and facility performance. We extended past research by examining the relationships between lean manufacturing, MAC & PM practices and performance in a broader organizational context. Our study was performed using survey data provided by managers and executives at 368 facilities that had contacted the Shingo Institute for information or that had entered a Shingo Prize competition. Consistent with past research we found a significant positive association between lean manufacturing practices and lean MAC & PM practices. We found that greater employee empowerment, use of process performance measures, and use of lean accounting practices were driven primarily by lean strategy and secondarily by the extent of lean manufacturing practices. We also found that changes in organization structure to support lean are driven primarily by lean strategy and secondarily by lean manufacturing practices. Change toward lean culture, on the other hand, is driven by the extent of lean manufacturing practices. Further, we found that emphasizing process performance measures does not reduce emphasis on results performance measures and emphasizing results performance measures leads to improved financial performance. Process and results measures are being used in tandem and value stream costing has not replaced traditional accounting. The results of our study provide important insights for managers of companies engaged in lean transformation and for academics who teach or research lean accounting.
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In 1981, the Carnegie‐Mellon University Libraries began to expand their usage of CMU's central computing facilities. This paper describes the utilization of three software…
Abstract
In 1981, the Carnegie‐Mellon University Libraries began to expand their usage of CMU's central computing facilities. This paper describes the utilization of three software packages resident on the University's central computers: text editing, text formatting, and electronic mail. The advantages of utilizing central computing resources, the introduction and training in computing systems within the Libraries, and specific computing applications are described. The advantages of electronic mail for organizational communication are discussed, as well as the problems.
Wei Guo, Tieying Yu and Greta Hsu
In this study, we develop understanding of factors that shape the propensity of market incumbents to collaborate in response to the threat posed by new market entrants. We are…
Abstract
In this study, we develop understanding of factors that shape the propensity of market incumbents to collaborate in response to the threat posed by new market entrants. We are particularly interested in instances when a market's competitive structure becomes unsettled by new entrants who engage in nonconforming strategic tactics. In such situations, we propose two factors – strategic similarity among competitors and market-share instability – will systematically shape competitors' collaborative response to new entrants. To test our theory, we use data on strategic tactics and collaborative dynamics in the US airline industry from 1989 to 2010. We demonstrate that greater strategic similarity among a market's incumbents increases the likelihood of cooperation in response to the threat of a nonconforming new entrant, while greater market-share instability reduces cooperative response. Through this study, we extend existing understanding of the contextual circumstances under which established competitors recognize their mutual interests and band together.