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11.
Price-volume relation in stocks: A multiple time series analysis on the Singapore market 总被引:1,自引:1,他引:0
We examine the price-volume relation in stocks using the multiple time series approach due to Tiao and Box (1981). This approach has the advantage of treating price and volume jointly and symmetrically (without enforcing the roles of input and output). It is free of the simultaneity bias in regression analysis and the unidirectional dynamics imposed by transfer function models. Empirical results show that there is implicit positive correlation between price and volume through their residuals. However, the results for the explicit lead and lag relations are mixed. The technical analysts' adage that volume often leads the trend of price is not supported. Nonetheless, the implicit relationship between price and volume confirms the usefulness of incorporating volume data to forecast future return. Our analysis shows that the multiple time series models outperform the univariate models in post-sample forecasts. 相似文献
12.
13.
This paper investigates the efficiency of the black exchange markets in Indonesia, Malaysia, the Philippines, South Korea, Taiwan, and Thailand. The study applies unit root and cointegration tests to examine black exchange market efficiency of Pacific-Basin countries. The generating process of black exchange rates appears to be a random walk. This is consistent with Gupta (1981) and other foreign exchange rate unit root test studies. Johansen cointegration tests are performed for these black exchange markets together with Japan and Singapore. The results suggest that there is at least one unit root among the black market exchange rates. Hence, black exchange markets are not collectively efficient. 相似文献
14.
This paper employed eleven data series which consist of stocks, bonds, bills, equity premiums, term premiums, and various default premiums to investigate whether January seasonality reported in existing literature is robust across different states of the economy as this has important trading implications. For the periods 1926–1990, small stocks, small stock premiums, low grade bonds, and default premiums (spread between high grade, low grade and government bonds) reveal January seasonality and that the seasonality is robust across different states of the economy except for low grade bond returns and default premiums. January seasonality for low grade bond returns and low grade bond default premiums are primarily driven by results found during periods of economic expansion. Overall, January seasonality is more evident during the economic expansion periods although the magnitude of default premiums is larger during periods of economic contraction. Furthermore, prior findings of strong summer equity returns are primarily driven by the results found during the periods of economic contraction. It is also found that equity returns are generally higher during periods of economic expansion. 相似文献
15.
Because of the importance of Confucian doctrines in shaping ethical business practices under Chinese leadership, revealing the roles of other Chinese ethical doctrines in modern Chinese leadership is informative. A thorough understanding of the ethical foundations of Chinese leadership is necessary for fruitful interaction with Chinese leaders, according to cultural fit theory. The present study illustrates the philosophical foundations of business management, based on dialogues with five eminent corporate executive officers (CEOs). It reveals that the CEOs practice a style of Chinese leadership synthesizing Confucian, Daoist, Mohist, and Legalist doctrines. The Confucian doctrines advocate benevolence, harmony, learning, loyalty, righteousness, and humility. They are the most prevalent tenets that support paternalism and collectivism. The Daoist doctrines emphasize flexibility and reversion (e.g., the principle that the weak can defeat the strong). They bolster the leader’s forbearance. The Mohist doctrines underpin thrift and working with the masses whereas the Legalist doctrines inculcate self-control and innovativeness. Hence, contemporary Chinese leadership does not rely exclusively on Confucian ethics and this reflects evolution over 1000s of years. 相似文献
16.
Leo V. Ryan 《Business ethics (Oxford, England)》1995,4(1):36-42
An experienced educationalist comments on the views of top Polish business students on ethics in public life, government and business in modern Poland. The author is Wicklander Professor of Professional Ethics at DePaul University, Chicago, and also served recently as Visiting Fulbright Professor at the Adam Mickiewicz University in Poznan, Poland. He is currently President of the Society of Business Ethics in the USA. 相似文献
17.
Peter Wright Mark Kroll Peng Chan Karin Hamel 《Journal of the Academy of Marketing Science》1991,19(3):245-254
Competing theories on internal orientation versus external orientation are examined. The relevant theories are amalgamated
and condensed into a number of competing propositions that are empirically tested. The findings suggest that the internally
oriented businesses as well as the externally oriented businesses underperform the efficient, marketing oriented businesses. 相似文献
18.
Joshua C.C. Chan 《International Journal of Forecasting》2021,37(3):1212-1226
Large Bayesian VARs with stochastic volatility are increasingly used in empirical macroeconomics. The key to making these highly parameterized VARs useful is the use of shrinkage priors. We develop a family of priors that captures the best features of two prominent classes of shrinkage priors: adaptive hierarchical priors and Minnesota priors. Like adaptive hierarchical priors, these new priors ensure that only ‘small’ coefficients are strongly shrunk to zero, while ‘large’ coefficients remain intact. At the same time, these new priors can also incorporate many useful features of the Minnesota priors such as cross-variable shrinkage and shrinking coefficients on higher lags more aggressively. We introduce a fast posterior sampler to estimate BVARs with this family of priors—for a BVAR with 25 variables and 4 lags, obtaining 10,000 posterior draws takes about 3 min on a standard desktop computer. In a forecasting exercise, we show that these new priors outperform both adaptive hierarchical priors and Minnesota priors. 相似文献
19.
This paper studies the dynamic interaction between human capital accumulation and economic growth. Capital market imperfections
and an indivisibility in human capital investment prevent poor agents from accumulating skills, the acquisition of which positively
affects technological progress. More productive technologies in turn require more sophisticated qualification and involve
higher training costs. The equilibrium dynamics can be characterized by the joint evolution of productivity growth, the schooling
costs, and the income distribution. Under our assumptions, individual incomes follow a non-linear Markov chain. This non-linearity
generates endogenous fluctuations of schooling activities and the rate at which productivity improvements occur.
We thank an anonymous referee for many helpful suggestions. Support from the German Research Foundation (DFG) under grant
KA1519/2-2 is gratefully acknowledged. 相似文献
20.
Leo Kaas 《Journal of Economic Theory》1998,80(2):332-349
In an overlapping generations model with Cournot competition on the goods market it is shown that a continuum of stationary states and perfect foresight trajectories exists with unemployment at arbitrary low wages. Decisive for this is the influence that different forecast functions have on the objective demand curve, even though they are consistent with perfect foresight. With an example it is shown that simple adaptive and constant memory forecast rules generate such unemployment equilibria. The corresponding temporary equilibrium dynamics may display stable unemployment and unstable full employment equilibria.Journal of Economic LiteratureClassification Numbers: D43, D51, E24 相似文献