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91.
Paola Salardi 《Review of urban and regional development studies : RURDS : journal of the Applied Regional Conference》2009,21(1):50-71
This study investigates Brazilian poverty by exploiting geographical differences in the cost of living. We apply the reformulation of the FGT class of poverty measures proposed by Chiappero and Civardi (2006) . This decomposition aims to compute poverty within groups, using group-specific poverty lines, and poverty between groups by adopting a community-wide poverty line. Our findings suggest that the analysis of poverty between and within groups is more exhaustive than the standard methodology when differentiated poverty lines are exploited. 相似文献
92.
This paper investigates the relationship between nutrition and socio-economic status among British youths. It describes the dynamics of consumption over age and time using data from the British National Food Survey (NFS) covering the period 1975-2000. Daily calories-age relationships for men and women are estimated by solving a non-linear least square model with a roughness penalty function approach. Focusing on young age groups, trends of consumption over the 25-year period of study and the cohorts effect have been explored across three classes of age. Finally, an exploration of specific trend variations in eating habits has been implemented controlling for income distribution. 相似文献
93.
Paola ConconiCarlo Perroni 《Journal of International Economics》2002,57(2):423-447
We describe a model of international, multidimensional policy coordination where countries can enter into selective and separate agreements with different partners along different policy dimensions. The model is used to examine the implications of negotiation tie-in — the requirement that agreements must span multiple dimensions of interaction — for the viability of multilateral cooperation when countries are linked by international trade flows and transboundary pollution. We show that, while in some cases negotiation tie-in has either no effect or can make multilateral cooperation more viable, in others a formal tie-in constraint can make an otherwise viable joint multilateral agreement unstable. 相似文献
94.
Rossella Cappetta Paola Cillo 《International Journal of Human Resource Management》2013,24(12):2235-2251
Recently, companies have been faced with strong need for integration in order to deal with the trade-offs of the current competitive environments – quick response and customization, technical functionality and stylistic appeal, low cost and top quality. This need has led to the introduction of different integrating positions. Although these positions already exist within the firm, in recent years they have become strategic and therefore have to be carefully managed. The relevance and the management of integrators are particularly evident in the symbolic industries, where the need to combine the symbolic and the functional facets of products and services has become increasingly critical for companies to succeed. We provide evidence based on four case studies conducted in the European fashion industry in order to build an original framework for the effectiveness of the integrators and to highlight the relevance of HRM practices in dealing with these positions. 相似文献
95.
Francesco Aiello Paola Cardamone Valeria Pupo 《International Review of Applied Economics》2019,33(6):813-828
ABSTRACTThis paper investigates the determinants of university-industry links in five European countries (France, Germany, Italy, Spain and the UK), using internationally comparable firm-level data for the period 2007–2009. Besides the usual firm-specific variables, it examines the role of meritocratic management practices in firms’ decisions to collaborate in R&D. Firm innovative efforts, the export status and the R&D government support are positively related to business-university links in almost all countries, human capital and firms’ size in two out of five countries under scrutiny, while belonging to science-based sectors does not seem to play a significant role in all countries but Italy. Importantly, we find that meritocratic managerial practices positively affect the firm-university nexus in Germany, France and the UK, while meritocracy does not appear to enhance businesses’ R&D collaboration in Italy and in Spain. 相似文献
96.
Raúl Gómez Martínez Miguel Prado Román Paola Plaza Casado 《Journal of Behavioral Finance》2019,20(2):227-238
Traditional automated trading systems use rules and filters based on Chartism to send orders to the market, aiming to beat the market and obtain positive returns in bullish or bearish contexts. However, these systems do not consider the investors’ mood that many studies have demonstrated its effects over the evolution of financial markets. The authors describe 2 "big data" algorithmic trading systems over Ibex 35 future. These systems send orders to the market to open long or short positions, based on an artificial intelligence model that uses investors’ mood. To measure the investors' mood, the authors use semantic analysis algorithms that qualify as good, bad, or neutral any communication related to Ibex 35 made on social media (Twitter) or news media. After 1.5 years of research, conclusions are: First, the authors observe positive returns, demonstrating that investors’ mood has predictive capacity on the evolution of the Ibex 35. Second, these systems have beaten the Ibex 35 index, showing the imperfect efficiency of the financial markets. Third, big data algorithmic trading systems numbers are better in Sharpe ratio, success rate, and profit factor than traditional trading systems on the Ibex 35, listed in the Trading Motion platform. 相似文献
97.
Micael Castanheira Ga?tan Nicodème Paola Profeta 《International Tax and Public Finance》2012,19(4):598-624
Political constraints and incentives are the true driver of tax reforms. This paper reviews the political economics literature on personal income tax systems and reforms to see how political mechanisms help explain tax reforms. We take some of the implications of these theories to the data using LABREF, a database that identifies labor tax reforms in the European Union for the period 2000–2007, and control for economic and labor market factors. We find that political variables carry more weight than economic variables, and we show empirical regularities that support political economy theories. We also find that governments tended to reform more in better economic times, engaging in pro-cyclical behavior. 相似文献
98.
Massimo Di Francesco Teodor Gabriel Crainic Paola Zuddas 《Transportation Research Part E: Logistics and Transportation Review》2009,45(5):758-770
This paper addresses a container maritime-repositioning problem where several parameters are uncertain and historical data are useless for decision-making processes. To address this problem, we propose a time-extended multi-scenario optimization model in which scenarios can be generated taking into account shipping company opinions. We then show that multi-scenario policies put shipping companies in the position of satisfying empty-container demands for different values that may be taken by uncertain parameters. 相似文献
99.
In this paper, we examine the allocation of tasks between a principal and an agent considering their incentives to provide effort, their different abilities in handling tasks, and transmission costs. We focus our attention on two tasks: the first may be handled by the principal or by the agent, whereas the second is necessarily carried out by the agent. Under a fully decentralised organisation, the agent performs both tasks, whereas, under partial delegation, the principal handles the first task and transfers the outcome to the agent who handles the second task. Assuming technological complementarities, from our analysis it emerges that, if there is imperfect observability of effort, full delegation is better at eliciting effort by the agent in the second task, whereas, in comparison with partial delegation, it lowers effort in the first task. Although with contractible effort, the choice between the two organisational forms depends only on transmission costs and on the relative ability of its members, when moral hazard problems are taken into account, the organisational choice is related to the relative importance played by the two tasks in production. If the agent's task is relatively important in production, full delegation, encouraging a higher level of effort in this task, may be optimal, even if technological factors favour partial delegation. Copyright © 2008 John Wiley & Sons, Ltd. 相似文献
100.
In a companion study, Blackburn et al. (Econ Theory Bull, 2017), we have developed a theoretical framework for studying interactions between organized crime and corruption, with the view of examining the combined effects of these phenomena on economic growth. The analysis therein illustrates that organized crime has a negative effect on growth, but that the magnitude of the effect may be either enhanced or mitigated in the presence of corruption. In this paper we tackle the ambiguity produced by the coexistence of the two illicit activities with an empirical investigation using a panel of Italian regions for the period 1983–2009. We find that organized crime distorts growth less when it coexists with corruption and show our results to be robust to different specifications, measures of organized crime, and estimation techniques. 相似文献