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排序方式： 共有888条查询结果，搜索用时 15 毫秒
831.
Business Economics - The most significant portion of revenue within the general aviation industry derives from business aviation. Since the mid-1960s, this industry segment has always been largely... 相似文献
832.
Brad M. Barber Yi‐Tsung Lee Yu‐Jane Liu Terrance Odean 《European Financial Management》2007,13(3):423-447
We ask whether the typical investor and the aggregate investor exhibit a bias known as the disposition effect, the tendency to sell investments that are held for a profit at a faster rate than investments held for a loss. We analyse all trading activity on the Taiwan Stock Exchange (TSE) for the five years ending in 1999. Using a dataset that contains all trades (over one billion) and the identity of every trader (nearly four million), we find that in aggregate, investors in Taiwan are about twice as likely to sell a stock if they are holding that stock for a gain rather than a loss. Eighty‐four percent of all Taiwanese investors sell winners at a faster rate than losers. Individuals, corporations, and dealers are reluctant to realise losses, while mutual funds and foreigners, who together account for less than 5% of all trades (by value), are not. 相似文献
833.
Based on psychological contract theory and expectancy disconfirmation theory, we posit that if employers support their staff by endorsing their continuing education and training, these employees will in turn be more satisfied and will perform better not only in their studies but also in their jobs. We also propose that such an endorsement will have a positive disconfirmation effect on employees' job satisfaction and performance when their perceived organizational support is relatively low. Using 434 part‐time postgraduate students in Hong Kong, China, as our survey sample, we found support for our propositions. 相似文献
834.
In two exploratory studies, a hierarchical model of personality was employed to investigate a number of possible trait antecedents and consumer‐behavior–related consequences of superstition. One of the interesting findings was that the antecedents of superstition include a lower need for learning among older adults, higher levels of sports interest, a belief in fate, and a decreased belief in heaven and hell. In addition, the results suggested that the consequences of superstition might include beliefs in astrology, magic, psychokinesis, and the existence of fictitious creatures (e.g., the Loch Ness monster). Evidence suggesting a negative association between superstitious beliefs and attitudes concerning the genetic engineering of food products was also obtained. © 2003 Wiley Periodicals, Inc. 相似文献
835.
Anson Wong 《Journal of Teaching in International Business》2013,24(4):197-208
The clicker is one of the most popular mobile classroom response systems. A number of studies reported that clickers could effectively encourage students to participate in class. However, most of them are not talking about Chinese students and their finding seldom reported the difference in perception between Chinese and international students on using the mobile classroom response system in learning. They seldom examine the issue of cultural differences on the application of these learning management systems. The study can fill in the gap to collect their perception on using clickers in Hong Kong. The result shows that both Chinese and international students are keen on using clickers in class. The clicker is found to be able to advance learning efficacy and raise student participation in class. 相似文献
836.
Kit Pong Wong 《期货市场杂志》2013,33(12):1191-1196
This study examines the behavior of an exporting firm that exports to two foreign countries, each of which has its own currency. Hedging is imperfect in that the firm can only trade one of the two foreign currencies forward. Compared to the case wherein hedging is perfect in that both foreign currencies can be traded forward, the firm is shown to produce less in the home country. Furthermore, the firm is shown to export more (less) to the foreign country whose currency can (cannot) be traded forward. The firm's optimal forward position is an over‐hedge or an under‐hedge, depending on whether the spot exchange rates are positively or negatively correlated in the sense of expectation dependence, respectively. © 2012 Wiley Periodicals, Inc. Jrl Fut Mark 33:1191–1196, 2013 相似文献
837.
Kit Pong Wong 《Managerial and Decision Economics》2012,33(1):39-46
This paper examines the optimal two‐part pricing under cost uncertainty. We consider a risk‐averse monopolistic firm that is subject to a cost shock to its constant marginal cost of production. The firm uses two‐part pricing to sell its output to a continuum of heterogeneous consumers. We show that the global and marginal effects of risk aversion on the firm's optimal two‐part pricing are to raise the unit price and lower the fixed payment. We further show that an increase in the fixed cost of production induces the firm to raise (lower) the unit price and lower (raise) the fixed payment under decreasing (increasing) absolute risk aversion. The firm's optimal two‐part pricing is unaffected by changes in the fixed cost under constant absolute risk aversion. Finally, we show that a mean‐preserving spread increase in cost uncertainty induces the firm to raise the unit price and lower the fixed payment under either decreasing or constant absolute risk aversion. Copyright © 2011 John Wiley & Sons, Ltd. 相似文献
838.
Kit Pong Wong 《Managerial and Decision Economics》2020,41(7):1156-1161
This paper examines the optimal nonlinear pricing by a monopolist who sells a good to two types of buyers with high and low valuation. The monopolist's preferences are characterized by a modified utility function that includes disutility from having chosen ex-post suboptimal alternatives. Regret aversion is shown to affect the rent extraction-efficiency tradeoff. When buyers are more likely to have high (low) valuation, the regret-averse monopolist reduces (enlarges) the downward distortion on the second-best quantity offered to low-valuation buyers, thereby resulting in lower (higher) unit prices paid by all buyers. The regret-averse monopolist always earns a lower expected profit. 相似文献
839.
Ehrin J. Armstrong Michael P. Ryan Erin R. Baker Brad J. Martinsen Harry Kotlarz 《Journal of medical economics》2017,20(11):1148-1154
Aims: Patients with critical limb ischemia (CLI) have an increased risk of major amputation. The initial treatment approach for CLI may significantly impact the subsequent risk of major amputation or death. The objective of this study was to describe the initial treatment approaches of patients with CLI and the limb outcomes associated with each approach.
Methods: Data from MarketScan Commercial and Medicare Supplemental Databases from January 2006–December 2014 was utilized. Cohorts of CLI patients were defined as follows: (1) peripheral vascular intervention (PVI); (2) peripheral vascular surgery (PVS); (3) minor amputation without concomitant PVI or PVS (MinAMP); and (4) Patients without PVI, PVS, or MinAMP (conservative therapy). The odds of major amputation or inpatient death were estimated using the Cox proportional hazards model. For those patients requiring a major amputation, the incremental expenditures per member per month (PMPM) were estimated using a gamma log-link model.
Results: Conservative therapy was associated with significantly higher odds of major amputation or inpatient death compared to patients who underwent minor amputation (1.59-times), PVI (2.08-times), or PVS (2.12-times). Patients treated with an initial strategy of minor amputation also had higher odds of major amputation or inpatient death compared to PVS (1.31-times) or PVI (1.33-times). The estimated incremental expenditures PMPM for patients with a major amputation was $5,165.
Conclusions: Revascularization reduces the risk of a major amputation or inpatient death for patients with CLI when compared to conservative therapy. Major amputation is also associated with significantly higher healthcare expenditures. 相似文献
840.
Wong Ming Wong Hai Long Yifan Wang Wunhong Su 《International Journal of Consumer Studies》2023,47(3):936-952
This study reviews the literature on the residence after retirement via Systematic Literature Network Analysis, which consists of the systematic literature review and bibliometric network analysis. There are three research questions, including (1) what the most recent studies are on the residence after retirement, (2) Who the most significant authors, documents, and sources are in residence after retirement, and (3) whether the extant research structure could guide the future agenda for the residence after retirement. Based on the systematic literature review, this study extracts 50 publications from the Scopus database by keyword, document type, source type, publication period, language, and subject area relevant to the residence after retirement. This study analyzes data employing Nvivo, VOSviewer, and SciMAX. The clusters of authors, countries, keywords, documents, and sources linked with relevant studies on the residence after retirement are according to the co-authorship (1) author, (2) country/territory, (3) keyword, and (4) document. Skitmore, M., Xia, B., Buys, I., Hu, X., Hu, Y., and Chen, Q. who the most influential authors are in residence after retirement. The themes of aging, continuing care retirement community, retirement village, and their associated keywords contribute to future research on the residence after retirement. 相似文献