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Sonia Ba?os-Caballero Pedro J. García-Teruel Pedro Martínez-Solano 《Small Business Economics》2012,39(2):517-529
This paper analyzes the relation between working capital management and profitability for small and medium-sized enterprises (SMEs) by controlling for unobservable heterogeneity and possible endogeneity. Unlike previous studies, we examine a non-linear relation between these two variables. Our results show that there is a non-monotonic (concave) relationship between working capital level and firm profitability, which indicates that SMEs have an optimal working capital level that maximizes their profitability. In addition, a robustness check of our results confirms that firms?? profitability decreases as they move away from their optimal level. 相似文献
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Sonia Ketkar Ned Kock Ronaldo Parente Jacques Verville 《International Business Review》2012,21(5):782-793
This study focuses on the impact of the cultural dimension of individualism, face-to-face communication and the effect of relational norms such as supplier involvement and trust on the market performance of buyer firms. We use the culture literature and social exchange theory to test hypotheses using a sample of Brazilian and US manufacturing firms. The data were analyzed using variance-based structural equation modeling, employing nonlinear partial least squares regression. Our findings indicate that individualism is negatively related to the involvement of suppliers in the production process but is not associated with trust in suppliers. In addition face-to-face communication seems to have a positive effect on supplier involvement and trust. 相似文献
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Radu Burlacu Patrice Fontaine Sonia Jimenez-Garcès Mark S. Seasholes 《Journal of Financial Economics》2012
This paper mathematically transforms unobservable rational expectation equilibrium model parameters (information precision and supply uncertainty) into a single variable that is correlated with expected returns and that can be estimated with recently observed data. Our variable can be used to explain the cross section of returns in theoretical, numerical, and empirical analyses. Using Center for Research in Security Prices data, we show that a −1σ to +1σ change in our variable is associated with a 0.31% difference in average returns the following month (equaling 3.78% per annum). The results are statistically significant at the 1% level. Our results remain economically and statistically significant after controlling for stocks' market capitalizations, book-to-market ratios, liquidities, and the probabilities of information-based trading. 相似文献
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This empirical study analyzes the relationship between the sentiments in online media with regard to travel destinations and corresponding tourist arrivals. We expect the media reports on political and economic instability and turmoil to enhance tourist arrival nowcasts and forecasts, as they can probably complement them with information on disruptions and shocks. Therefore, we believe this research will help to build better models for tourism demand nowcasting and forecasting. We use the sentiment in the German-speaking online media because the German-speaking region is the most populated in Europe and has the largest group of travelers visiting destinations in and around Europe.An artificial neural network is used to analyze the mood of the media. The software classifies news items regarding potential tourist destinations with either positive or negative labels. The number of positive and negative news items is used to build sentiment indices for popular tourist destinations for Europeans.Our results show strong correlations between the mood concerning tourist destinations and tourist arrivals in these countries. Indeed, disruptions and shocks prevalent in the news are reflected in similar ratios in both tourist arrivals and sentiment indices. These results can be used as a new explanatory variable for tourism demand modelling. 相似文献
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This paper investigates the formation of prices in a perishable goods market where agents bargain repeatedly through pair-wise interactions. After extensive field observations, we chose to focus on two aspects that seem important to actors of this market: the passage of time and update in judgement when gathering information. The main feature of the market is that a seller bargaining with a buyer has incomplete information about buyer's willingness to pay and is not sure how her trading partner will evaluate an offer or compare it with other options. On the other hand, buyers have limited time to look for goods and cannot meet all possible sellers before making a decision. Hence agents cannot calculate the best price to offer but receive information through limited interactions, and use this information to choose their actions.An agent-based model was built to represent a framework that mimics the observed market institution and where agent's possible behaviors and learning was made as consistent as possible with gathered data. Simulations were run, first for sensitivity analysis concerning main parameters, then to test the dependance of agents’ learning to (a) the time buyers can spend on the market and (b) the frequency of update in learning by sellers. To validate the model, features produced by the simulated market are compared to the stylized facts gathered for negotiation about four goods. We reproduce the main features of the data on the dynamics of offers, transaction prices and agents’ behavior during the bargaining phases. 相似文献
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Places have started to adapt commercial branding tactics. But how do stakeholders perceive such practices? Drawing on survey data from French residents, we analyse the advertising legitimacy of a place brand and its influence on the effectiveness of marketing communications in the context of region branding. The results confirm that advertising legitimacy mediates the relationship between exposure to an advertisement and its efficiency. The place brand is more legitimate when advertisements target firms, residents or tourists than when they promote local products through co-branding. We highlight a new expression of democratic legitimacy: a process adapted to hybrid (public–private) organizations. 相似文献
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This paper analyzes the distributive dynamics associated with production, access to, and use of tissue-cultured banana plantlets in Costa Rica and Jamaica. In particular, it studies the research, commercialization, and production strategies undertaken in these two countries. It identifies the actors involved, the mechanisms implemented to produce and improve access to tissue cultured plants, as well as barriers to broad-based adoption. The discussion is framed by the concept of absorptive capacities and more particularly, by a revised perspective that differentiates between potential and realized capacities. In so doing, it emphasizes the dynamic aspects behind the process of moving from potential to realized capacities. Inherent aspects of tissue culture technology overlap and interact with socio-economic conditions; and become key to the dynamics of knowledge advancement, production, and distribution of benefits. In this context, policy choices play a major role in directing the dynamics towards a more distributed technological development. 相似文献
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