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121.
Guillaume Coqueret 《Quantitative Finance》2020,20(9):1531-1551
This paper quantifies the impact of stock-specific news sentiment on future financial returns. Daily predictive regressions yield significant t-statistics for 7% at most of our sample of more than 1000 large stocks listed in the USA. While a few assets do run through pockets of predictability, the evidence suggests that the feedback effect is stronger in the reverse direction: returns are more likely to drive future sentiment than the other way around. 相似文献
122.
Small Business Economics - In this paper, we build on the allostatic load model, developed in stress research, to explore the impact of entrepreneurs’ overall justice perceptions on emotional... 相似文献
123.
Jos Bardaji Jean‐Charles Bricongne Benoît Campagne Guillaume Gaulier 《The World Economy》2019,42(3):785-817
The French trade balance deteriorated almost continuously from the late 1990s to the early 2010s. At the macroeconomic level, French export market share deteriorated while domestic sales kept pace with domestic demand. Does this assessment apply to individual firms? Using microlevel data for French industrial firms over the period 2002–12, we explore the link between domestic and export sales. We show that export and domestic sales have a tendency, albeit slight, to move in opposite directions. This may be due to factors such as deliberate strategies to target a specific market or the presence of production constraints. Addressing the resulting endogeneity issue, our analysis shows that a positive demand shock in the domestic market also leads to an increase in exports. In particular, a 10% increase in domestic demand leads to a 4% increase in exports. This complementarity between markets seems to be driven by small firms and could reflect the existence of liquidity constraints. Increased sales in one market could lessen these constraints by facilitating funding for company development in the export market. 相似文献
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Female marriage probabilities were 50% higher in France in the years after World War 1, despite a large drop in the sex ratio. We develop a model of marital matching in which composition effects in the singles pool affect postdisruption matching rates. When calibrated to French data from World War 1, this mechanism explains 2/3 of the postwar rise in female marriage probabilities as the result of better composition of the pool of single men. We conclude that endogeneity issues make the sex ratio a potentially unreliable indicator of female marriage prospects. 相似文献
127.
Robin W. Boadway Nicolas‐Guillaume Martineau 《The Scandinavian journal of economics》2016,118(3):524-556
In this paper, we examine the effect of social norms on redistributive policies, where social norms are reflected in the degree of work participation among the different skill classes. Participation is driven both by the material incentives and heterogeneous preferences for leisure of each skill class, and by an endogenous social norm. Results for optimal redistributive taxation show that when the social norm enters as a benefit or cost for participants, participation taxes are generally lower than in its absence. Multiple participation equilibria can occur, and an engineered shift from a low‐ to a high‐participation equilibrium can be Pareto‐improving in the long run. 相似文献
128.
Joyce LaMori Neeta Tandon Guillaume Germain Dominic Pilon Patrick Lefebvre 《Journal of medical economics》2016,19(4):364-373
Background:Since hepatitis C virus therapy is typically prioritized for patients with more advanced disease, predicting which patients will progress could help direct scarce resources to those likely to benefit most. This study aims to identify demographics and clinical characteristics associated with high healthcare resource utilization (HRU) and liver disease progression among CHC patients.Methods:Using health insurance claims (January 2001–March 2013), adult patients with ≥2 CHC claims (ICD-9-CM: 070.44 or 070.54), and ≥6 months of continuous insurance coverage before and ≥36 months after the first CHC diagnosis were included. Patients with human immunodeficiency virus were excluded. Generalized estimating equations were used to identify the demographic and clinical characteristics of being in the 20% of patients with the highest HRU. Factors predicting liver disease progression were also identified.Results:In the study population (n?=?4898), liver disease severity and both CHC- and non–CHC-related comorbidities and conditions were strong predictors of high healthcare costs, with odds ratios (ORs; 95% confidence interval [CI]) for ≥2 CHC-related and ≥2 non-CHC-related comorbidities/conditions of 2.78 (2.48–3.12) and 2.19 (1.76–2.72), respectively. CHC- and non-CHC-related comorbidities and conditions were also strong predictors of liver disease progression with ORs (95% CI) for ≥2 CHC-related and ≥2 non-CHC-related comorbidities and conditions of 2.18 (1.83–2.60) and 1.50 (1.14–1.97), respectively.Limitations:Potential inaccuracies in claims data, information or classification bias, and findings based on a privately insured population.Conclusion:This study suggests that CHC patients with high healthcare resource utilization have a high level of comorbidity at baseline and also that non-CHC comorbidities and conditions are strong predictors of high HRU. Non-cirrhotic CHC patients with one or more comorbidities are at high risk of progressing to cirrhosis or end-stage liver disease. 相似文献
129.
Neeta Tandon Luis A. Balart François Laliberté Dominic Pilon Patrick Lefebvre Guillaume Germain 《Journal of medical economics》2014,17(12):862-871
Background:Chronic hepatitis C (CHC) is associated with significant economic burden. This study evaluated the healthcare cost alleviation associated with treatment of CHC.Methods:Health insurance claims from 60 self-insured US companies were analyzed (01/2001–03/2012). Adult patients with ≥1 CHC diagnosis (ICD-9-CM: 070.44, 070.54), initiating interferon, and with ≥2 dispensings and with ≥48 weeks of follow-up were selected. Patients diagnosed with HIV or who completed only 24 weeks of interferon therapy (a surrogate for CHC genotypes 2 and 3) were excluded from the study. Interferon users were categorized into complete and discontinued therapy cohorts. During the post–48-week treatment period, cohorts were compared for healthcare resource utilization using rate ratios (RRs), as well as healthcare costs using per-patient per-year (PPPY) cost differences.Results:A total of 1017 patients who completed and 953 patients who discontinued interferon therapy were identified. Relative to the discontinued therapy cohort, the completed therapy cohort had significantly fewer hospitalizations (RR [95% CI]?=?0.74 [0.68, 0.81], p?0.001), outpatient visits (RR [95% CI]?=?0.92 [0.91, 0.93], p?0.001), and ER visits (RR [95% CI]?=?0.93 [0.87, 1.00], p?=?0.039), which translated into significantly lower total healthcare costs PPPY (cost difference [95% CI]?=?$4540 [1570, 7680], p?=?0.004) and hospitalization costs (cost difference [95% CI]?=?$3039 [1140, 5248], p?=?0.002). Non–CHC-related costs accounted for 55% and CHC-related costs for 45% of the all-cause cost difference between cohorts.Limitations:Claims data may have contained inaccuracies, and genotypes of patients with CHC could not be confirmed. The study consisted of privately insured individuals and may not be generalizable to the entire CHC population.Conclusion:Compared to discontinued therapy patients, CHC patients who completed interferon therapy and presumably had a higher rate of achieving SVR were found to have lower levels of healthcare resource utilization and costs post-therapy. The reduction was primarily in costs associated with non–HCV-related comorbidities. 相似文献
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