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81.
This paper tests for the martingale hypothesis in the stock prices of a group of Asian markets. We use new multiple variance ratio tests based on the wild bootstrap and signs. These are non-parametric finite sample tests, which do not rely on large sample theories for statistical inference. This paper also presents Monte Carlo results that these non-parametric tests show superior small sample properties to those of the conventional Chow–Denning test. Both weekly and daily data from 1990 are considered, while moving sub-sample windows are used for the latter to control the sensitivity of the results to a particular sample period. It is found that the Hong Kong, Japanese, Korean and Taiwanese markets have been efficient in the weak-form. The markets of Indonesia, Malaysia and Philippines have shown no sign of market efficiency, despite financial liberalization measures implemented since the eighties. We have also found evidence that the Singaporean and Thai markets have become efficient after the Asian crisis. In general, the results point toward the notion that the pricing efficiency of a market depends on the level of equity market development as well as the regulatory framework conducive of transparent corporate governance. 相似文献
82.
Min Kyeong Sam Jung Jae Min Ryu Kisang Haugtvedt Curtis Mahesh Sathiadev Overton John 《Marketing Letters》2020,31(2-3):217-230
Marketing Letters - When there is a service failure, it is often believed that employees should immediately apologize to customers before hearing their complaints. However, we argue that in certain... 相似文献
83.
Under the megacompetition in globalizing economy while facing long lasting economic stagnation, the effective utilization of potential resources for innovation has become a crucial strategy for R&D intensive industries. The construction of a smart cooperative R&D structure has thus become significant. Among Japan’s R&D intensive industries, the transport machinery industry has constructed an effective cooperative R&D structure by smartly complementing both comparatively advantageous and disadvantageous technologies by means of integrating the effective utilization of technology spillover and joint collaborative R&D.Prompted by this complementing system, this paper attempts to elucidate the mechanism enabling the transport machinery industry to construct the smart cooperative R&D structure. Resonant R&D structure is identified as a source of such R&D cooperation leading to increasing its marginal productivity of technology. 相似文献
84.
Jae Wan Chung 《Atlantic Economic Journal》1979,7(3):40-45
Conclusions In this paper, we have derived a non-linear demand function for gasoline by means of a two-stage optimization of the S-2 branch
utility function. The demand function was simplified by employment of the Kuhn-Tucker optimization conditions and the Shephard-Samuelson
theorem.
Two principal conclusions emerge from the empirical work presented in the preceding pages. First, the magnitude of the inter-class
elasticity of substitution shows that consumers do not easily substitute among separate branches of the utility function.
Second, the value for the intra-class elasticity of substitution suggests that consumers have little inclination to substitute
between different modes of transportation. The U.S. household does not readily switch from private to public transportation
when the price of gasoline and transportation costs as a whole increase.
At the present time when there is little chance for substantial reduction in the price of gasoline, efforts to moderate the
demand for gasoline by shifting household transportation from private to public modes will not be fruitful unless gasoline
pricing policy is quite drastic or else supplemented by other policy measures. 相似文献
85.
86.
Alibaba was an established e‐commerce giant in the Chinese online retail industry. In 2014, it recorded the world's largest initial public offering (IPO), raising a total of $25 billion. Alibaba's groundbreaking IPO and continuous growth in China had raised speculation on its imminent and potential expansions into other countries including the United States. On the other hand, Amazon and eBay had been leaders in the e‐commerce industry of the United States, arguably the world. This case seeks to weigh the potential success of Alibaba should it choose to expand outside its home country, China, including the United States. This case also helps understand how the Chinese business environment influenced the success of Alibaba, relative to other countries. © 2015 Wiley Periodicals, Inc. 相似文献
87.
Jae H. Kim Kevin WongGeorge Athanasopoulos Shen Liu 《International Journal of Forecasting》2011,27(3):887
This paper evaluates the performances of prediction intervals generated from alternative time series models, in the context of tourism forecasting. The forecasting methods considered include the autoregressive (AR) model, the AR model using the bias-corrected bootstrap, seasonal ARIMA models, innovations state space models for exponential smoothing, and Harvey’s structural time series models. We use thirteen monthly time series for the number of tourist arrivals to Hong Kong and Australia. The mean coverage rates and widths of the alternative prediction intervals are evaluated in an empirical setting. It is found that all models produce satisfactory prediction intervals, except for the autoregressive model. In particular, those based on the bias-corrected bootstrap perform best in general, providing tight intervals with accurate coverage rates, especially when the forecast horizon is long. 相似文献
88.
This paper provides strong evidence of time-varying return predictability of the Dow Jones Industrial Average index from 1900 to 2009. Return predictability is found to be driven by changing market conditions, consistent with the implication of the adaptive markets hypothesis. During market crashes, no statistically significant return predictability is observed, but return predictability is associated with a high degree of uncertainty. In times of economic or political crises, stock returns have been highly predictable with a moderate degree of uncertainty in predictability. We find that return predictability has been smaller during economic bubbles than in normal times. We also find evidence that return predictability is associated with stock market volatility and economic fundamentals. 相似文献
89.
Samuel Seongseop Kim Jae Hak Kim Brent W. Ritchie 《Journal of Travel & Tourism Marketing》2013,30(2):199-217
A main goal of this study was to use the concept of specialization to segment and better understand Korean overseas golf holiday tourists' demographics, motivations, overseas golf tourism destination attributes, and preference for overseas golf tourism destination attributes. A total of 424 questionnaires were collected and 370 questionnaires were used for further statistical analysis. According to results of data analyses, the advanced segment was more likely to be motivated by the quality of overseas golf resorts and other benefits (such as business opportunities), compared to the beginner and intermediate segments. The beginner group was more likely to be a company employee or housewife who earn the least at between US$35,000–US$50,000 per annum, travel on full package tours, use information from family or relatives, and have a stronger preference for the Philippines or China as golf destinations. The study's results showed potential benefits using the concept of specialization in a sport tourism setting even though the concept has been popularly applied in the outdoor setting. 相似文献
90.
Executive Bonus Target Ratcheting: Evidence from the New Executive Compensation Disclosure Rules 下载免费PDF全文
This study investigates whether firms revise executive bonus compensation targets based on past performance. Studies in this area suffer from a lack of detailed information related to executive performance targets. Using mandatory disclosures of executive compensation information under the U.S. Securities and Exchange Commission's new disclosure rules, this study provides the first large‐sample evidence of bonus target ratcheting. There are three major findings: (i) executive bonus targets ratchet and they ratchet asymmetrically; (ii) the degree of target ratcheting and ratcheting asymmetry vary with executive equity incentives and investment opportunities; and (iii) performance relative to bonus target is serially correlated. 相似文献