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41.
Public procurement is increasingly viewed as having important potential to drive innovation. Despite this interest, numerous barriers prevent the public sector from acting as an intelligent and informed customer. This paper seeks to understand how barriers related to processes, competences, procedures and relationships in public procurement influence suppliers? ability to innovate and to reap the benefits of innovation. We address this by exploiting a dedicated survey of public sector suppliers in the UK, using a probit model to investigate the influence of structural, market and innovation determinants on suppliers? perception of these barriers. 相似文献
42.
This paper analyses the causes of success or failure of adjustment programmes, using a new database on 220 reform programmes. We find that the success or failure of reform depends on domestic political-economy forces. A few donor-effort variables are also highly correlated with the probability of success. However, once these effort variables are treated as endogenous, there is no relationship between any of them and the success or failure of reform. These results have clear implications for how the international community should approach policy-based aid. 相似文献
43.
Benedikt Sommer Pierre Pinson Jakob W. Messner David Obst 《International Journal of Forecasting》2021,37(1):205-223
Forecasting wind power generation up to a few hours ahead is of the utmost importance for the efficient operation of power systems and for participation in electricity markets. Recent statistical learning approaches exploit spatiotemporal dependence patterns among neighbouring sites, but their requirement of sharing confidential data with third parties may limit their use in practice. This explains the recent interest in distributed, privacy preserving algorithms for high-dimensional statistical learning, e.g. with auto-regressive models. The few approaches that have been proposed are based on batch learning. However, these approaches are potentially computationally expensive and do not allow for the accommodation of nonstationary characteristics of stochastic processes like wind power generation. This paper closes the gap between online and distributed optimisation by presenting two novel approaches that recursively update model parameters while limiting information exchange between wind farm operators and other potential data providers. A simulation study compared the convergence and tracking ability of both approaches. In addition, a case study using a large dataset from 311 wind farms in Denmark confirmed that online distributed approaches generally outperform existing batch approaches while preserving privacy such that agents do not have to actively share their private data. 相似文献
44.
Instead of empirically finding that higher levels of financial development reduce the positive impact of financial liberalization on inequality, as others do, we come up with the opposite result: financial development strengthens the inequality-raising impact of financial liberalization. We suggest that by, e.g., allowing financial liberalization to lead to more volatility and uncertainty, the model of Bumann and Lensink (2016 “Capital Account Liberalization and Income Inequality.“ Journal of International Money and Finance 61: 143–162.) can be extended as such that also an amplifying instead of reducing effect of financial depth on the impact of financial liberalization on income inequality can be theoretically justified. 相似文献
45.
Gräbner Claudius Heimberger Philipp Kapeller Jakob Springholz Florian 《Review of World Economics》2021,157(1):87-120
Review of World Economics - This paper surveys measures of economic openness, the latter being understood as the degree to which non-domestic actors can or do participate in a domestic economy.... 相似文献
46.
The European Community’s preferential trading agreements with third countries all contain origin rules, which lay down a number of detailed criteria that must be met in order for goods to qualify for preferential customs treatment. These “preferential rules of origin” are currently under discussion by policy-makers1 and economists developing guidelines for policy-makers. However, no such discussion is apparent in the more recent academic literature. It appears that scientific debate so far has not analysed in depth the basic legal concepts and instruments contained in preferential trading agreements. The following article attempts to identify these instruments and draft a conceptual overview. 相似文献
47.
Jakob de Haan Erik Leertouwer Erik Meijer Tom Wansbeek 《Scottish journal of political economy》2003,50(3):326-340
We argue that central bank independence (CBI) is a latent variable of which the various existing quantifications are imperfect indicators. We show how factor analysis techniques can be employed to assess the quality of the various indicators, and how an optimal weighting of the indicators can be obtained that gives the best approximation of CBI. We also show how these results can be utilized in models in which CBI is an explanatory variable. In contrast to the well‐known study of Campillo and Miron (1997) , we find that our CBI indicator is significantly related to inflation, also when various control variables are included. 相似文献
48.
Emily Durden Greg Lenhart Lorena Lopez-Gonzalez Mette Hammer Jakob Langer 《Journal of medical economics》2016,19(4):403-413
Objective:Liraglutide has been shown to significantly improve glycemic control and reduce body weight while minimizing the risk of hypoglycemia in adult patients with type 2 diabetes (T2D). This study aimed to identify characteristics that predict clinical and economic outcomes associated with liraglutide therapy in clinical practice in the US.Methods:Using the Truven Health MarketScan Laboratory Database, glycemic control (A1C <7%) and diabetes-related costs were evaluated in T2D patients initiating liraglutide between January 1, 2010 and June 30, 2012. Patients were required to have ≥1 post-index claim for liraglutide and A1C values at baseline and 6 months follow-up. All valid values of baseline A1C were included. Patients previously treated with GLP-1 receptor agonist(s) or insulin, or with evidence of type 1 diabetes, pregnancy, or gestational diabetes during the study period were excluded. Multivariable regression models were used to identify predictors of glycemic control and diabetes-related costs.Results:Of 417 patients newly treated with liraglutide, 54.0% achieved glycemic control (A1C <7%) during follow-up. Factors associated with increased odds of glycemic control during follow-up were: being female, POS/EPO health plan type, baseline A1C, early liraglutide initiation (0–1 prior oral anti diabetics [OADs] vs ≥2), adherence to liraglutide (defined as the proportion of days covered [PDC]), and diabetic retinopathy. Being female, earlier liraglutide initiation (0–1 prior OADs), and higher patient share of liraglutide costs were associated with significantly lower diabetes-related costs during follow-up. Factors associated with significantly higher post-index diabetes-related costs were: higher baseline A1C, baseline use of sulfonylureas, and diabetic retinopathy.Conclusions:Within this commercially-insured population of T2D patients treated with liraglutide, gender, baseline A1C, early liraglutide initiation (0–1 prior OADs), diabetic retinopathy, better adherence, and patient share of liraglutide costs were associated with increased odds of achieving glycemic control and the odds of having higher or lower diabetes-related costs. 相似文献
49.
Corporate social responsibility (CSR) has attracted increasing attention in business and research. Studies have documented how management concepts such as diversity management are translated and adapted to differential local sociocultural contexts outside their countries of origin. More research is needed concerning how CSR concepts are translated and practiced locally within particular organizations. This research is based on an organizational ethnography of the management of multiple social, ethical and business logics of CSR in a Danish frontrunner firm. The study contributes with insights into the ongoing organizational management of potentially opposing logics in CSR. Findings show that managing contradictions of CSR is an ongoing challenge and accomplishment influencing whether ethical, social and business logics collide or reinforce each other. The study shows that when ethics are framed as means to economic ends, some social responsibilities have a tendency to be disregarded in practice. 相似文献
50.
Central Bank Independence: An Update of Theory and Evidence 总被引:4,自引:0,他引:4
This paper reviews recent research on central bank independence (CBI). After we have distinguished between independence and conservativeness, research in which the inflationary bias is endogenised is reviewed. Finally, the various challenges that have been raised against previous empirical findings on CBI are discussed. We conclude that the negative relationship between CBI and inflation is quite robust. 相似文献