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排序方式: 共有201条查询结果,搜索用时 31 毫秒
1.
Objective: This study was to determine if calcium fortification yields a higher price per serving in grocery store products. Researchers compared store brand to national brand grocery products in relation to cost in order to examine if calcium values were similar between store brand and national brand products. Methods: A total of 112 store brand and 211 national brand grocery products were collected from three low (national chain store), middle and high priced (Virginia and North Carolina regional store) grocery venues. Products were compared using price and calcium percentage per serving. ANOVA was used to determine between store brand and national brand for price per serving and calcium content, and between grocery venues. Results: National brand fortified products had a significantly lower mean price per serving when compared to national brand non-fortified products (p = 0.0002). There was no statistical difference between store brand fortified and non-fortified products (p = 0.9256). Low priced store brand products had the lowest mean price per serving ($0.34 ±0.24). Conclusions: This study found store brand products have similar calcium content as national brand products. Product cost was lower at low priced store compared to middle and high priced stores. 相似文献
2.
Hayley Stainton 《旅游业当前问题》2018,21(9):1075-1084
The use of the Internet is becoming increasingly integral to the day-to-day operations of society, facilitating an interconnected and globalised world, where geographic barriers are no longer a defining criteria for communication. This opens the researcher up to a realm of research opportunities, which to-date have been under-exploited. This paper contributes to the wider body of literature addressing the concept of Online research, demonstrating in practice how it can be utilised in the context of interpretative phenomenological analysis. It is argued that netnography is akin to interpretative phenomenological analysis (IPA) in that it accounts for an individual’s personal perception or account of an event or state, as opposed to attempting to produce an objective record. This paper outlines how blog analysis can be utilised in the context of IPA, demonstrating how this worked in practice during the initial exploratory research phase of the teaching English as a foreign language tourism phenomenon. 相似文献
3.
Lindon J. Robison Robert J. Myers & Marcelo E. Siles 《Review of Agricultural Economics》2002,24(1):44-58
Social capital is a person or group's sympathy for or sense of obligation to another person or group. This article introduces social capital into a neoclassical model of farmland exchange and shows how relationships alter the terms of trade. Empirical evidence from a survey of farmers shows that the type of relationship farmland sellers have with farmland buyers has a statistically significant and economically important effect on the minimum-sell price for farmland. Compared to the minimum-sell price when selling to a total stranger in an arm's-length transaction, farmland sellers discount prices to friendly neighbors and relatives and require a premium from unfriendly neighbors and influential people in the community. 相似文献
4.
5.
B. L. Myers Ph.D. N. L. Enrick Ph.D. A. J. Melcher Ph.D. 《Journal of the Academy of Marketing Science》1974,2(1):249-261
The efficiency of a research design may be measured in terms of the degree to which knowledge is enhanced within given resource
constraints. Thus, two different types of research design, even though they contain the same number of expected observations,
may differ considerably in the amount of information provided. An example is the number N of 32 observations obtained with
an analysis of variance witheither 2 factors, 2 levels per factor and a replication of 8or 4 factors, 4 levels per factor and a replication of 2. We analyze and compare the relative efficiencies of regression and
variance analysis models and their implications to research strategy development. Three major considerations are evaluated:
(1) short versus long time horizon (interval until effects of a decision are realized), (2) small versus large cost of erroneous
rejection of the Null Hypothesis and (3) gross versus refined stage of development of the research study. A set of general
guidelines towards improved designs is developed. 相似文献
6.
7.
This article evaluates the ability of contingent valuation to measure the benefits received by several ethnic groups from a prescribed burning forest fire reduction program similar to President Bush's Healthy Forest Initiative. Reasons for refusing to pay higher taxes for the prescribed burning program were not statistically different between African Americans, Hispanics, and whites. Mean willingness to pay of whites was $400, whereas for African Americans it was $505, but the difference is not statistically significant. The results suggest a substantial statewide willingness to pay by whites and African Americans for forest fuel reduction projects using prescribed burning in California. (JEL Q26 , Q23 , J15 ) 相似文献
8.
Bringing the Future Forward: The Effect of Disclosure on the Returns-Earnings Relation 总被引:4,自引:0,他引:4
This paper studies how firm disclosure activity affects the relation between current annual stock returns, contemporaneous annual earnings and future earnings. Our results show that firms with relatively more informative disclosures "bring the future forward" so that current returns reflect more future earnings news. We also find that changes in disclosure activity are positively related to changes in the importance of future earnings news for current returns. These results suggest that a firm's disclosure activity reveals credible, relevant information not in current earnings, and that this information is incorporated into the current stock price. 相似文献
9.
Linda A. Myers 《The International Journal of Accounting》2003,38(2):163-167
10.
Linda A. Myers Jonathan E. Shipman Quinn T. Swanquist Robert L. Whited 《Review of Accounting Studies》2018,23(4):1512-1542
Auditor going concern modifications (GCMs) are intended to provide market participants with information related to financial distress, and prior research suggests that the disclosure of a GCM elicits a substantial negative market reaction from investors. In this study, we investigate the market reaction to GCMs in a contemporary disclosure regime and consider whether the observed market reaction is confounded by other material disclosures. We find that the majority of GCMs are issued concurrently with earnings announcements (EAs) and that EAs in the year of new GCMs elicit large negative cumulative abnormal returns (CARs). We also find that CARs surrounding GCMs are significantly more negative when GCMs are disclosed with EAs versus following EAs. We then evaluate whether GCMs convey distress that is incremental to EA disclosures by measuring i) the market reaction to GCMs disclosed following EAs, and ii) whether EA CARs are substantially more negative for companies disclosing GCMs with EAs as opposed to after EAs. In both cases, we find that the incremental market response to GCMs is statistically weak and much smaller in economic magnitude than is suggested by prior research. Finally, we find that management disclosures in EAs, rather than the presence of a GCM, appear to convey information that investors use to anticipate bankruptcy. Taken together, these findings suggest that GCMs are confounded by other significant disclosures and that the informational benefits of GCM reporting are significantly smaller than previously thought. 相似文献