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51.
52.
Patent Enforcement, Innovation and Welfare 总被引:1,自引:0,他引:1
Uday Bhanu Sinha 《Journal of Economics》2006,88(3):211-241
This paper analyzes how the Southern patent enforcement affects the Northern firm's choice of licensing, subsidiary production
or exports for serving the Southern market, and the innovation rate in the North and ultimately the welfare in the South.
We show that for imperfect patent enforcement, licensing contract leads to more innovation in the North relative to subsidiary
or exports. When both subsidiary and exports are very costly options, no patent enforcement in the South is best for the South.
However, when either subsidiary operation or exports can be organized cheaply, the Southern government chooses some positive
degree of patent enforcement. We also establish that strengthening of patent enforcement in the South may lead to more licensing
and less subsidiary operations or exports. 相似文献
53.
54.
Carola Raab Jean L. Hertzman Dipendra Singh 《International Journal of Hospitality & Tourism Administration》2013,14(4):398-414
This exploratory study expands the current literature on servicescapes by examining the total noise environment in restaurants and the impact of ambient noise levels and general restaurant attributes on customer satisfaction and loyalty behavior, defined as the customer's willingness to return to a restaurant and motivation to recommend it. The researchers surveyed guests at one casual dining restaurant in the Southwestern United States. The results showed that services, physical attributes, and quality of food and beverage had significant impact on overall satisfaction, overall atmosphere, and loyalty behaviors. Noise level factors such as effects of noise and appropriateness of noise levels, influenced overall satisfaction, but not loyalty behaviors. 相似文献
55.
The emergence of dramatically innovative, or radical, new manufacturing technologies can force pivotal and life‐threatening decisions for industry competitors. These technologies can represent a huge cost for adopting firms, but may also offer the chance to achieve competitive advantage through superior manufacturing. While prior research has considered a range of production process decisions (e.g., JIT, mass customization) and outcomes for end‐product technologies, little attention has been given to adoption decisions relative to core manufacturing technologies. This study examines an industry's adoption of major manufacturing technologies over several decades and demonstrates that two groups of contingencies related to adoption (e.g., timing and cumulative effects) have a significant impact on firm performance. Based on a sample of over 1,000 firms, the results provide insights into the effects of adoption timing and ‘manufacturing technology bundles’ on firm survival. We also find that adoption of manufacturing technologies prior to the inflection point of the estimated Bass diffusion curve for each technology leads to significant reduction in firm mortality. Thus, we are able to demonstrate the ability of the Bass model to predict the survival outcomes of firms facing manufacturing technology adoption decisions. The strategic implications of these pivotal decisions are considered. Copyright © 2008 John Wiley & Sons, Ltd. 相似文献
56.
Liza Weinstein Andrew Rumbach Saumitra Sinha 《International journal of urban and regional research》2019,43(2):273-291
Academic and policy literatures on urban climate resilience tend to emphasize ‘good planning’ as the primary means for addressing the growing risk of flooding in Asia's coastal megacities. Cities have come to rely on disaster and climate resilience plans to future‐proof their landscapes and protect vulnerable populations. Yet while data is collected, models are built and plans are drafted, environmentally destructive development practices continue unabated and often unchallenged. This article examines and seeks to explain the contradictions between a growing awareness of the risks of climate‐induced flooding in resilience plans and the continuation of development practices widely acknowledged to exacerbate those risks. It analyzes these contradictions in the context of Mumbai and Kolkata, India's largest coastal cities, which are facing the severest threats from climate‐induced flooding. Based on analyses of key resilience planning documents and both planned and unplanned developments in some of Mumbai's and Kolkata's most ecologically sensitive areas, our analysis reveals that resilience planning, promoted by the central government and international consultants, and presented in locally produced ‘fantasy plans’, fails to address the risks of climate‐change‐related flooding owing to tendencies to sidestep questions of politics, power and the distributional conflicts that shape urban development. We conclude that efforts to reduce urban flood risk would benefit from the research, methods and analytic concepts used to critically study cities, but significant gaps remain between these fields. 相似文献
57.
Sanjoy K. Sinha 《Metrika》2012,75(7):913-938
We encounter missing data in many longitudinal studies. When the missing data are nonignorable, it is important to analyze the data by incorporating the missing data mechanism into the observed data likelihood function. The classical maximum likelihood (ML) method for analyzing longitudinal missing data has been extensively studied in the literature. However, it is well-known that the ordinary ML estimators are sensitive to extreme observations or outliers in the data. In this paper, we propose and explore a robust method, which is developed in the framework of the ML method, and is useful for downweighting any influential observations in the data when estimating the model parameters. We study the empirical properties of the robust estimators in small simulations. We also illustrate the robust method using incomplete longitudinal data on CD4 counts from clinical trials of HIV-infected patients. 相似文献
58.
In this paper we show that the Manara problem in the case of Sraffa's generalized multiple‐production case arises due to the presence of superfluous processes of production. We argue that ‘goods’ should be defined from the perspective of the system and not the observer. We provide a mathematical procedure to remove superfluous processes from the construction of Sraffa's Standard system. Once this is done, the Manara problem disappears. 相似文献
59.
This small sample study provides additional evidence on the unsettled question of auditor independence: Does the provision of non‐audit services by an auditor compromise independence resulting in a poor quality audit? We also examine whether these findings vary across the “Big‐5” public accounting firms. Most prior studies addressing this question, using parametric approaches and various measures of audit quality, have reported conflicting results. Contrary to these studies, we use a non‐parametric approach and the probability of GAAP violation as a new measure of audit quality to address this question. Using data from a sample of Fortune 500 companies for the year 2000, we find that firms whose auditors provide substantial non‐audit services tend to have a higher propensity to violate GAAP. At the firm‐level analysis, we find that these results are more likely driven by few of the Big‐5 public accounting firms. For the remaining firms, the association between non‐audit services and quality of audit could not be established, primarily because of small sample size and lack of power in the test. Our main finding is consistent with other recent studies that provide evidence that the rendering of significant non‐audit services by auditors creates conflict of interest resulting in poor quality audits. Furthermore, our result of differences in these levels of association among the Big‐5 accounting firms represents a new finding, and suggests that there is a need for controlling them separately in research studies examining auditor independence. 相似文献
60.
Although companies devote considerable time and money to managing their sales forces, few focus much thought on how the structure of the sales force needs to change over the life cycle of a product or a business. However, the organization and goals of a sales operation have to evolve as businesses start up, grow, mature, and decline if a company wants to keep winning the race for customers. Specifically, firms must consider and alter four factors over time: the differing roles that internal salespeople and external selling partners should play, the size of the sales force, its degree of specialization, and how salespeople apportion their efforts among different customers, products, and activities. These variables are critical because they determine how quickly sales forces respond to market opportunities, they influence sales reps' performance, and they affect companies' revenues, costs, and profitability. In this article, the authors use timeseries data and cases to explain how, at each stage, firms can best tackle the relevant issues and get the most out of their sales forces. During start-up, smart companies focus on how big their sales staff should be and on whether they can depend upon selling partners. In the growth phase, they concentrate on getting the sales force's degree of specialization and size right. When businesses hit maturity, companies should better allocate existing resources and hire more general-purpose salespeople. Finally, as organizations go into decline, wise sales leaders reduce sales force size and use partners to keep the business afloat for as long as possible. 相似文献