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41.
ABSTRACTKnowledge construction is a crucial factor in the development of any field of study. While empirical papers sustain knowledge development in a field, systematic analysis of the literature and critiques of influential papers are core components of high-level knowledge construction. The aim of this paper is to critically evaluate Fodness and Murray’s ([1999]. A model of tourist information search behavior. Journal of Travel Research, 37(3), 220–230.) seminal paper on information search and to assess how the model has been developed by the subsequent literature. A critique of the model highlighted that the original work had a number of shortcomings, particularly given recent advances in information technologies. The method consisted of a meta-analysis of 575 studies that cited Fodness and Murray’s work. The meta-analysis demonstrated that none of the subsequent studies attempted to further develop this well-cited model. The analysis also highlighted that many of the citations to the original study were superficial, and in some cases, incorrect, raising serious questions about citation practices in the tourism field more broadly. The main implication is that, in order to advance our understanding of tourism, we need robust studies that confirm and build on past research efforts to move the field forward. 相似文献
42.
Christer Ljungwall Patrik Gustavsson Tingvall 《Journal of Chinese Economic and Business Studies》2013,11(4):353-371
Empirical evidence suggests that China has benefited from foreign direct investment (FDI). An important question that remains unanswered is whether China has benefited more from FDI than other countries in general, and other transition and developing countries in particular. This paper investigates this issue by performing a meta-analysis on a sample of 67 country-specific studies yielding 137 observations that have gauged the link between FDI and measures of economic growth. The results suggest that the impact of FDI is, on average, more positively significant for China than for the full sample of countries, but that the difference between China and other transition economies is less clear. 相似文献
43.
采用元分析技术,对中国企业间知识转移的影响因素和作用结果的研究进展进行了系统、定量的阶段性总结,并与西方背景下的研究结论进行跨文化比较。研究发现,企业规模、知识吸收能力、网络密度、网络中心性、信任水平、关系强度共享愿景和价值观与企业间知识转移之间显著正相关,知识模糊性和文化距离与企业间知识转移之间存在显著负相关,企业间知识转移与企业创新能力和绩效水平之间显著正相关。在中西方背景下,知识模糊性、企业规模、信任水平、关系强度、文化距离、创新能力和绩效水平与企业间知识转移之间的关系强度存在较大差异,而吸收能力、网络密度、网络中心性、共享愿景和价值观与企业间知识转移之间的关系强度差异不大。 相似文献
44.
A. W. Richter J. F. Dawson M. A. West 《International Journal of Human Resource Management》2013,24(13):2749-2769
The proposed meta-analysis of 61 independent samples aims to identify whether, and if so under what conditions, team working in organizations is related to organizational effectiveness. Team working had a significant though small positive relationship with both performance outcomes and staff attitudes. Our contingency analyses further showed that team working had a stronger relationship with performance outcomes if accompanied by complementary HR measures and in non-health-care settings. Finally, we found that team working is more strongly related to attitudinal outcomes in Sociotechnical Systems and health-care settings. 相似文献
45.
Marc Evans Liana K. Billings Jonas Håkan-Bloch Ulla Slothuus Trine J. Abrahamsen Andreas Andersen 《Journal of medical economics》2018,21(4):340-347
Aims: To obtain estimates of the relative treatment effects between insulin degludec/liraglutide (IDegLira) and insulin glargine U100/lixisenatide (iGlarLixi) in patients with type 2 diabetes mellitus (T2DM) uncontrolled on basal insulin therapy.Materials and methods: Data from phase 3 trials providing evidence for estimating the relative efficacy and safety of IDegLira vs iGlarLixi in patients uncontrolled on basal insulin-only regimens were used in this analysis. Outcomes of interest were changes in HbA1c, body weight and insulin dose, and rate ratio of hypoglycemia. The indirect comparison of the reported trial findings followed the principles of Bucher et al.Results: IDegLira was estimated to provide a 0.44 [95% CI?=?0.17–0.71] %-point reduction in HbA1c compared with iGlarLixi. Body weight was reduced by 1.42 [95% CI?=?0.35–2.50] kg with IDegLira compared with iGlarLixi. Insulin dose was comparable between the two interventions. The rate of severe or blood glucose-confirmed (self-measured plasma glucose [SMPG]?≤?3.1?mmol/L) hypoglycemia with IDegLira was approximately half that of iGlarLixi (rate ratio?=?0.51 [95% CI?=?0.29–0.90]). However, using the American Diabetes Association definition of documented symptomatic hypoglycemia (SMPG ≤3.9?mmol/L) the rate was comparable between the two treatments (rate ratio?=?1.07 [95% CI?=?0.90–1.28]).Limitations: The assumptions made in the indirect comparison and differences between the included trials in baseline HbA1c levels, previous use of sulfonylureas, definitions of hypoglycemia, presence or absence of run-in period, the different duration of the trials, and the cross-over design of one of the trials.Conclusions: The results of this indirect treatment comparison demonstrate that, among patients with T2DM uncontrolled on basal insulin, treatment with IDegLira results in a greater reduction of HbA1c and a greater reduction in body weight compared with iGlarLixi at similar insulin doses. 相似文献
46.
Sarah Al Sawah Shonda A. Foster Russel Burge David Amato Alexander Schacht Baojin Zhu 《Journal of medical economics》2017,20(12):1224-1230
Background: Evidence of the cost-efficacy of ixekizumab for the treatment of moderate-to-severe plaque psoriasis (PsO) in the US is limited.Objective: To estimate the number needed to treat (NNT) and monthly cost of achieving one additional Psoriasis Area and Severity Index (PASI) 75, 90, and 100 responder for ixekizumab and other Food and Drug Administration (FDA)-approved biologics in PsO.Methods: A network meta-analysis estimated the probability of achieving PASI 75, 90, or 100 response during induction for each biologic. NNTs were calculated using response difference of each respective biologic vs placebo at the end of induction. Monthly costs per additional PASI responder were based on FDA-approved doses, wholesale acquisition costs, and induction NNTs.Results: Induction NNTs for ixekizumab 80?mg once every 2 weeks (Q2W) relative to placebo were consistently lower across all levels of clearance compared with the other biologics. Monthly cost per additional responder was lowest for ustekinumab 45?mg at PASI 75 and for secukinumab 300?mg and ixekizumab 80?mg Q2W at PASI 90. Ixekizumab 80?mg Q2W had the lowest cost for PASI 100.Conclusion: In this analysis, ixekizumab is the most cost-efficient biologic in the US when targeting complete resolution, as measured by PASI 100 in PsO. 相似文献
47.
In this article, we use a meta-analysis to examine the performance of socially responsible investing (SRI). We find that, on average, SRI neither outperforms nor underperforms the market portfolio. However, in line with modern portfolio theory, we find that global SRI portfolios outperform regional subportfolios. Moreover, high-quality publications, publications in finance journals and authors who publish more frequently on SRI are all less likely to report SRI outperformance. In particular, we find that including more factors in a capital market model reduces the likelihood that a study will find SRI outperformance. 相似文献
48.
The Empirics of Wetland Valuation: A Comprehensive Summary and a Meta-Analysis of the Literature 总被引:12,自引:1,他引:12
Luke M. Brander Raymond J. G. M. Florax Jan E. Vermaat 《Environmental and Resource Economics》2006,33(2):223-250
Wetlands are highly productive ecosystems, providing a number of goods and services that are of value to people. The open-access
nature and the public-good characteristics of wetlands often result in these regions being undervalued in decisions relating
to their use and conservation. There is now a substantial literature on wetland valuation, including two meta-analyses that
examine subsets of the available wetland valuation literature. We collected over 190 wetland valuation studies, providing
215 value observations, in order to present a more comprehensive meta-analysis of the valuation literature that includes tropical
wetlands (e.g., mangroves), estimates from diverse valuation methodologies, and a broader range of wetland services (e.g.,
biodiversity value). We also aim for a more comprehensive geographical coverage. We find that socio-economic variables, such
as income and population density, that are often omitted from such analyses are important in explaining wetland value. We
also assess the prospects for using this analysis for out-of-sample value transfer, and find average transfer errors of 74%,
with just under one-fifth of the transfers showing errors of 10% or less.
† This paper has not been submitted elsewhere in identical or similar form, nor will it be during the first three months after
its submission to the Publisher. 相似文献
49.
ABSTRACTListing firms are subject to underpricing mainly because of asymmetries of information, but IPOs backed by a venture capitalist are generally found to be subject to less underpricing. Although this condition is commonly verified by the empirical evidence, a consistent number of studies finds contrasting results. This paper aims to answer to the question: do venture capitalists effectively reduce underpricing at IPO? Evidence provides a negative answer, with venture-backed IPOs having higher underpricing especially in US markets. Meta-regression results confirm the different effect of VC between US and European IPOs. Results overall suggest that other explanations on underpricing might hold in US markets. 相似文献
50.
Hichem Khlif 《Journal of Risk Research》2016,19(2):181-211
The empirical literature on the determinants of risk disclosures offers mixed results. This complicates efforts among stakeholders to understand the factors affecting firms’ decision to report risk information. The aim of our paper is to analyze the findings of 42 empirical studies using a meta-analysis technique. We examine whether differences in the findings are attributable to random error or due to legal and institutional systems, uncertainty avoidance, disclosure regime (mandatory vs. voluntary), industry types, and the proxies used to measure corporate characteristics. We find that all moderators affect the relationship between corporate size and risk reporting. Legal system, disclosure regime, industry types, and leverage ratio measurement moderate the association between leverage ratio and risk disclosure. Industry types and uncertainty-avoidance level affect the relationship between profitability and risk disclosure. Finally, the association between risk factor and risk disclosure is moderated by industry types. We discuss the implications of our findings and offer suggestions for future research. 相似文献