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91.
It is generally acknowledged that the growth rate of output, the seasonal pattern, and the business cycle are best estimated
simultaneously. To achieve this, we develop an unobserved component time series model for seasonally unadjusted US GDP. Our
model incorporates a Markov switching regime to produce periods of expansion and recession, both of which are characterized
by different underlying growth rates. Although both growth rates are time-varying, they are assumed to be cointegrated. The
analysis is Bayesian, which fully accounts for all sources of uncertainty. Comparison with results from a similar model for
seasonally adjusted data indicates that the seasonal adjustment of the data significantly alters several aspects of the full
model.
First Version Received: January 2001/Final Version Received: February 2002
Send offprint requests to: Rob Luginbuhl?Correspondence to: Rob Luginbuhl 相似文献
92.
The living company 总被引:7,自引:0,他引:7
de Geus A 《Harvard business review》1997,75(2):51-59
What can explain the longevity gap between a company that survives for centuries--the Swedish company Stora, for example, which is more than 700 years old--and the average corporation, which does not last 20 years? A team at Royal Dutch/Shell Group explored that question. Arie de Geus, a retired Shell executive, writes about the team's findings and describes what he calls living companies-organizations that have beaten the high mortality rate of the average corporation. Many companies die young, de Geus argues, because their policies and practices are based too heavily on the thinking and language of economics. Their managers focus on producing goods and services and forget that the organization is a community of human beings that is in business--any business--to stay alive. In contrast, managers of living companies consider themselves to be stewards of a long-standing enterprise. Their priorities reflect their commitment to the organization's long-term survival in an unpredictable world. Like careful gardeners, they encourage growth and renewal without endangering the plant they are tending. They value profits the same way most people value oxygen: as necessary for life but not the purpose of it. They scuttle assets when necessary to make a dramatic change in the business portfolio. And they constantly search for new ideas. These managers also focus on developing people. They create opportunities for employees to learn from one another. Such organizations are suited for survival in a world in which success depends on the ability to learn, to adapt, and to evolve. 相似文献
93.
Management-Science and Business-Ethics 总被引:3,自引:0,他引:3
Many leading management scientists have advocated ethicalism: the incorporation of social and ethical concerns into traditional "rational" OR-MS techniques and management decisions. In fact, elementary forms of decision analysis can readily be augmented, using ethical theory, in ways that sweep in ethical issues. In addition, alternative conceptual models of Decision-Analysis, Game-Theory and Optimality are now available, all of which have brought OR-MS and Business-Ethics into a closer alignment. 相似文献
94.
Measurement error in unexpected accruals is an important problem for empirical earnings management research. Several recent studies avoid this problem by examining the pooled, cross–sectional distribution of reported earnings. Discontinuities in the distribution of reported earnings around key earnings thresholds may indicate the exercise of management discretion (i.e. earnings management). We apply this approach to the detection of earnings management by Australian firms. Our results generally indicate significantly more small earnings increases and small profits than expected and conversely, considerably fewer small earnings decreases and small losses than expected. These results are much stronger for larger Australian firms. We undertake an exploratory analysis of alternative explanations for our results and find some evidence consistent with management signalling its inside knowledge about the firm's expected future profitability to smooth earnings, as opposed to 'management intent to deceive' as an explanation for our results. 相似文献
95.
Ethical Unit Trust Financial Performance: Small Company Effects and Fund Size Effects 总被引:1,自引:0,他引:1
Alan Gregory John Matatko & Robert Luther 《Journal of Business Finance & Accounting》1997,24(5):705-725
Recent papers which have examined unit trusts have controlled either for a 'fund size effect' or for the 'small firms effect' in the investment portfolio. The contribution of this paper is an analysis of the 'small firms effect' whilst simultaneously controlling for the 'fund size effect'. We show that the ethical unit trusts have significantly greater exposure than general unit trusts to the 'small firms effect', and that net of this there is no significant evidence of over or under performance by ethical trusts using an adjusted Jensen measure. Using two cross-sectional approaches, we demonstrate that whilst a 'small firms effect' has a role to play in explaining unit trust performance, fund size is not correlated with the financial performance of unit trusts. This cross-sectional analysis also provides some evidence that ethical unit trusts may perform less well than general unit trusts. 相似文献
96.
In response to perceived difficulties with extant lease-accounting standards in operation worldwide, the G4+1 issued a discussion paper which proposes that all leases should be recognized on the balance sheet [ASB (1999). Leases: Implementation of a new approach, discussion paper. London: Accounting Standards Board]. Leasing is now on the active agenda of the IASB. A major difficulty faced by standard setters lies in overcoming the preparer/user lobbying imbalance and obtaining ex ante evidence on the likely impact of regulatory reform. This paper contributes to the ongoing international debate by conducting a questionnaire survey of U.K. users and preparers to assess their views on proposals for lease-accounting reform and on the potential economic consequences of their adoption. The results, based on 132 responses, indicate that both groups accept that there are deficiencies in the current rules, but they do not agree on the way forward and believe that the proposals would lead to significant economic consequences for key parties. The impact on respondents' views of familiarity with the proposals, level of lease usage, and company size, is also examined. 相似文献
97.
New product development (NPD) has long been recognised as one of the corporate core functions. However, measuring new product success has remained elusive. This paper attempts to examine several conceptual issues underlining the measurement of new product success and the measurement practice adopted in Australian small and medium enterprises (SMEs). The sample included 276 SMEs from two most innovative industries: chemical and machinery industries. Results have indicated that four factors underline the commonly used success measurement: financial performance, objective market acceptance, subjective market acceptance, and product-level measures. These four factors are related to each other and can be used to well predict the overall measurement. The most frequently used specific measures in Australian SMEs are customer acceptance, customer satisfaction, product performance, and quality. 相似文献
98.
The Dynamics of Location in Home Price 总被引:4,自引:1,他引:4
Alan E. Gelfand Mark D. Ecker John R. Knight C. F. Sirmans 《The Journal of Real Estate Finance and Economics》2004,29(2):149-166
It is well established that house prices are dynamic. It is also axiomatic that location influences such selling prices, motivating our objective of incorporating spatial information in explaining the evolution of house prices over time. In this paper, we propose a rich class of spatio-temporal models under which each property is point referenced and its associated selling price modeled through a collection of temporally indexed spatial processes. Such modeling includes and extends all house price index models currently in the literature, and furthermore permits distinction between the effects of time and location. We study single family residential sales in two distinct submarkets of a metropolitan area and further categorize the data into single- and multiple-transaction observations. We find the spatial component is very important in explaining house price. Moreover, the relative homogeneity of homes within the submarket and the frequency with which homes sell affects the pattern of variation across space and time. Differences between single and repeat sale data are evident. The methodology is applicable to more general capital asset pricing when location is anticipated to be influential. 相似文献
99.
Measuring financial risks with copulas 总被引:2,自引:0,他引:2
Beatriz Vaz de Melo Mendes Rafael Martins de Souza 《International Review of Financial Analysis》2004,13(1):27-45
This paper is concerned with the statistical modeling of the dependence structure of multivariate financial data using the concept of copulas. We select some special copulas and identify the type of dependency captured by each one. We fit copulas to daily returns and simulate from the fitted models. We compare the effect of the choice of copula on risk measures and assess the variability of one-step-ahead predictions of portfolio losses. We analyze extreme scenarios and fit extreme value copulas to the block maxima and minima from daily returns. The stress scenarios constructed are compared to those obtained using models from the extreme value theory. We illustrate the usefulness of the copula approach using two stock market indexes. 相似文献
100.
We investigate the announcement effect of large bank mergers in the European and US stock market. Cumulative abnormal returns are calculated on the basis of the performance vis-à-vis the market and a sector index. Mergers result in small positive abnormal returns. Target banks realize significantly higher returns than bidders. In many respects, there is a difference between the announcement effects of European bank mergers compared to those in the US. 相似文献