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81.
Dan Bogart Oliver Dunn Eduard J. Alvarez‐Palau Leigh Shaw‐Taylor 《The Economic history review》2021,74(1):87-114
There is a debate about whether coastal shipping experienced substantial productivity growth prior to the advent of steam power. To study changes over the long eighteenth century, this article uses thousands of coastal journey times culled from Board of Trade crew lists between 1835 and 1844 and coastal port books for the mid‐to‐late 1600s, along with a newly digitized coastal network. Comparisons between matched samples show that journey speeds, defined as miles sailed per day, were significantly higher in the crew lists compared to the port books, and that voyage cycle times, defined as days between starting two identical voyages, were substantially lower. The study also shows that voyage times in the east coast coal trade were substantially lower around 1840 than around 1700, but the difference was much smaller when peace years are compared. These new data imply that total factor productivity growth in the east coast coal trade was significant, especially if one accounts for gains from peace after 1815. The findings contribute to the larger literature studying the rate and sources of productivity growth during the industrial revolution. 相似文献
82.
Despite the relationship of price and demand being central to economic analysis, doubts have been expressed in leisure studies about the ability of economists to contribute meaningfully to price decisions in leisure, or even to an understanding of price-demand relationships in leisure. This article uses a review of relevant theoretical and empirical considerations and a recent empirical investigation to refute such assertions. It demonstrates how leisure managers might utilize appropriate management information and market research data to improve both their understanding of the price-demand relationship and consequent pricing decisions, with the help of economic analysis. 相似文献
83.
In the context of the massive expansion of the knowledge base facing all fields of professional activity, instructional science (which embraces the use of a knowledge-engineering approach to curriculum design) could well help to unvael the complexity of important pedagogical issues confronting accounting educationalists. The delineation and use of an expert knowledge base within the framework of the ‘dimensions of processing model’ of human information processing provides a valuable focus for making decision about the breadth, depth and nature of specific educatinal objectives. Knowledge engineering, which is fundamental to this process, appears to provide an appropriate framework for the systematic planning, development, delivery and evaluation of high-quality education and training programmes. Such an approach base while ensuring practitioners and teachers to keep pace with their rapidly changing knowledge base while ensuring that students acquire and become competent in the use of the cognitive skills they need in order to work effectively in their chosen profession. 相似文献
84.
Asarnusch Rashid Tom Zentek Bruno Rosales Gabi Stummer Natalie Krämer Christophe Kunze 《Heilberufe》2011,63(4):10-13
Megatrend Ambient Assisted Living - Im Jahr 2035 wird in Deutschland jeder dritte Mensch ?lter sein als 60 Jahre. Die Nachfrage
nach Dienstleistungen und unterstützenden Systemen wird steigen. Technische Assistenzsysteme für Pflegende, Pflegebedürftige
und deren Angeh?rige sollen das Leben im Alter sicherer und bequemer machen. 相似文献
85.
The last 40 years have seen an extensive literature documenting so‐called anomalies in major capital markets. Evidence of ‘abnormal’ returns associated with trading strategies based on readily observable phenomena such as accounting‐based data involves experimental design choices that can be expected to influence the results. We show how evidence of an accrual anomaly in Australia is sensitive to research design specifications such as the choice of proxy for total accruals; the definition of abnormal returns (i.e. the return generating model); the impact of data trimming as a response to exceptionally large returns; and the choice between value and equal weighting of returns. We show that research design choices do matter and help reconcile conflicting prior evidence of any accrual anomaly in Australia. More broadly, our results suggest the need for caution in drawing inferences from trading strategy tests which claim to identify anomalies. 相似文献
86.
87.
Tanya Ruetzler Jim Taylor Dennis Reynolds William Baker Claire Killen 《International Journal of Hospitality Management》2012
Personal presentation attributes have long been understood to affect perceptions of competence and capabilities. To that end, this study investigates seven attributes associated with favorable interview presentation, including overall physical attractiveness, neatness and grooming, clothing color, conservative versus trendy attire, professional versus casual attire, and body modification (including tattoos and piercings). Participants (n = 108), including students, faculty, and hospitality industry professionals, sorted an orthogonal array of 16 full-color, laminated cards that contained photos so that respondents could see levels of clothing color, clothing conservativeness, and degree of professional attire. The remaining attributes and their corresponding levels were shown on respective analog indicators. The conjoint analysis results indicate that grooming and professional attire are the most important attributes in shaping favorable perceptions. Furthermore, faculty perceived conservative clothing to be better while students and industry professionals indicated that trendy clothing creates a more favorable presentation on the part of a job candidate. 相似文献
88.
Barry Schouten Jelke Bethlehem Koen Beullens Øyvin Kleven Geert Loosveldt Annemieke Luiten Katja Rutar Natalie Shlomo Chris Skinner 《Revue internationale de statistique》2012,80(3):382-399
Non‐response is a common source of error in many surveys. Because surveys often are costly instruments, quality‐cost trade‐offs play a continuing role in the design and analysis of surveys. The advances of telephone, computers, and Internet all had and still have considerable impact on the design of surveys. Recently, a strong focus on methods for survey data collection monitoring and tailoring has emerged as a new paradigm to efficiently reduce non‐response error. Paradata and adaptive survey designs are key words in these new developments. Prerequisites to evaluating, comparing, monitoring, and improving quality of survey response are a conceptual framework for representative survey response, indicators to measure deviations thereof, and indicators to identify subpopulations that need increased effort. In this paper, we present an overview of representativeness indicators or R‐indicators that are fit for these purposes. We give several examples and provide guidelines for their use in practice. 相似文献
89.
Adelina Broadbridge Vivien Swanson Christine Taylor 《International Review of Retail, Distribution & Consumer Research》2013,23(4):417-432
Causes and effects of occupational stress have received research attention for several decades, with increasing focus during the 1990s as organizations and individual workers attempt to adapt to economic change. Stress arising from either the work or home domain can have a variety of outcomes in the workplace, and similarly can impact in many ways on relationships and activities at home. This paper reports the first phase of a research study to identify the impact on work and home life of changes in retailing, a sector of the economy which has experienced significant change over the past few years. A qualitative methodology was adopted, using group discussions to allow staff to identify the specific changes in retailing most important for themselves, and then to explore how these changes related to satisfactions and dissatisfactions at work, and their impact on general aspects of home life. The results suggest that the 'spillover' relationship between work and home stress seems to be the most useful in describing the impact of change. This suggests that additional role demands at work brought about by change have an impact on relationships and social life outside work. However, some individuals described instances of 'compensation' between work and home, and independence between the two domains. This suggests that the issue of stress in the home/work interface is complex, and that the demands in each domain may be positively or negatively related depending on characteristics of the demands themselves, or may vary according to individual characteristics of the people in the study. 相似文献
90.
David C. Emanuel J. Michael Harrison Allison J. Taylor 《Scandinavian actuarial journal》2013,2013(4):240-247
Abstract The traditional theory of collective risk is concerned with fluctuations in the capital reserve {Y(t): t ?O} of an insurance company. The classical model represents {Y(t)} as a positive constant x (initial capital) plus a deterministic linear function (cumulative income) minus a compound Poisson process (cumulative claims). The central problem is to determine the ruin probability ψ(x) that capital ever falls to zero. It is known that, under reasonable assumptions, one can approximate {Y(t)} by an appropriate Wiener process and hence ψ(.) by the corresponding exponential function of (Brownian) first passage probabilities. This paper considers the classical model modified by the assumption that interest is earned continuously on current capital at rate β > O. It is argued that Y(t) can in this case be approximated by a diffusion process Y*(t) which is closely related to the classical Ornstein-Uhlenbeck process. The diffusion {Y*(t)}, which we call compounding Brownian motion, reduces to the ordinary Wiener process when β = O. The first passage probabilities for Y*(t) are found to form a truncated normal distribution, which approximates the ruin function ψ(.) for the model with compounding assets. The approximate expression for ψ(.) is compared against the exact expression for a special case in which the latter is known. Assuming parameter values for which one would anticipate a good approximation, the two expressions are found to agree extremely well over a wide range of initial asset levels. 相似文献