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排序方式: 共有113条查询结果,搜索用时 15 毫秒
31.
This paper investigates the effect of military involvement in politics on budgetary allocations for defence. We employ a variety of econometric models, including pooled OLS and panel data with fixed effects and control for other known determinants of military spending. To deal with endogeneity issues, we also use an IV methodology and find that a higher degree of military involvement in policy-making increases the probability that the military obtain a larger share of output. 相似文献
32.
Health risk is increasingly viewed as an important form of background risk that affects household portfolio decisions. However, its role might be mediated by the presence of a protective full-coverage national health service that could reduce households’ probability of incurring current and future out-of-pocket medical expenditures. We use SHARE data to study the influence of current health status and future health risk on the decision to hold risky assets, across ten European countries with different health systems, each offering a different degree of protection against out-of-pocket medical expenditures. We find robust empirical evidence that perceived health status matters more than objective health status and, consistent with the theory of background risk, health risk affects portfolio choices only in countries with less protective health care systems. Furthermore, portfolio decisions consistent with background risk models are observed only with respect to middle-aged and highly-educated investors. 相似文献
33.
Pietro De Giovanni Vincenzo Esposito Vinzi 《International Journal of Production Economics》2012,135(2):907-916
In this paper, we investigate the relationships between environmental management (EM) and performance to verify: whether the implementation of an effective internal environmental is a firm’s precondition to belong to a green supply chain; which type of environmental practices (either internal or external) contribute the most to increasing a firm’s performances; and whether performing the environment translates into higher economic performance. We use structural equation modeling for testing our research hypotheses on a large sample of Italian firms, and estimate the structural paths between constructs by means of both covariance- and component-based approaches. The use of both estimation methods allows us contributing to the recent debate about the specification of the “performance” construct as an emerging rather than as a latent variable, and then using formative rather than reflective indicators. Formative indicators are used whenever a construct does not exist without its measures, any change in one of the indicators causes a change in the construct, and the measures are ingredients of the construct rather than being caused by it. For instance, economic performance is an emerging construct since economic measures (e.g., profits and market share) contribute to forming the construct rather than reflecting the behavior of the latent variable. We show that the correct model specification changes the estimates of the path coefficients and leads to research findings aligned to the literature. Our results indicate that being green internally is a prerequisite for collaboration into a green supply chain, internal EM contributes to increasing performance more than external EM, while performing the environment does not lead to a higher economic performance. 相似文献
34.
Lorenzo Carbonari Vincenzo Atella Paola Samà 《International Review of Applied Economics》2018,32(4):525-545
In this paper, we empirically assess the evolution of the aggregate hours worked, with a particular emphasis on their age structure, in a sample of OECD countries, along the period 1970–2007. We show that the age composition of the workforce has a large and statistically significant effect on hours worked volatility. To exploit the multilevel structure of our data, we use a Mixed Linear Model to investigate the consequences of (i) demographic change, (ii) sector-specific, and (iii) country-specific factors on hours worked by ‘young’ (aged 15–29) and ‘prime-aged’ (29+) individuals. We show that changes in workforce demographics, captured by the ratio between population older than 29 and population younger than 29, are strongly and significantly correlated with the amount of hours worked by ‘young’ individuals. We also document the impact of sectoral capital intensity and profitability on the dynamics of (aggregate) hours worked. Finally, we show that productive public expenditure, here proxied by the public investment in ICT, is beneficial for the hours worked both by young and prime-aged individuals. 相似文献
35.
We consider a general equilibrium model of a private ownership economy with consumption and production externalities. Utility functions and production technologies may be affected by the consumption and production activities of all other agents in the economy. We use homotopy techniques to show that the set of competitive equilibria is non-empty and compact. Fixing the externalities, the assumptions on utility functions and production technologies are standard in a differentiable framework. Competitive equilibria are written in terms of first order conditions associated with agents’ behavior and market clearing conditions, following the seminal paper of Smale (J Math Econ 1:1–14, 1974). The work of adapting the homotopy approach to economies with externalities on the production side is non-trivial and it requires some ingenious adjustments, because the production technologies are not required to be convex with respect to the consumption and production activities of all agents. 相似文献
36.
The paper conducts an empirical analysis of the importance of entrepreneurship for wealth concentration and mobility using data from the Panel Study of Income Dynamics. The data shows a marked concentration of wealth in the hands of entrepreneurs which is not merely a consequence of their higher incomes. The higher saving rates among entrepreneurs is one of the possible explanations for their higher asset holdings and this hypothesis is supported by the statistical tests conducted in the paper. The data also shows that entrepreneurs experience greater upward mobility in that they have a greater probability of moving to higher wealth classes, and this is not only a consequence of their higher incomes. 相似文献
37.
38.
A highly controversial topic in the EU is the need for harmonized accrual-based standards to improve the quality of public accounts and reduce differences (adjustments) between the micro-(governmental accounting) and macro- (national accounting) levels. This paper shows that a set of high-quality accounting standards, like the future EPSAS, are not going to be sufficient to overcome the present lack of harmonization. The authors explain why this is the case having researched accounting data from 28 EU member states. 相似文献
39.
We explore the geo‐strategic determinants of bilateral trade flows between the USA and the rest of the world. We develop a three‐party model of security and trade patterns and use data on military assistance and troop deployments over the 1950–2009 period to validate its predictions. We find that security assistance has significant, positive impacts on the shares of bilateral trade between the USA and the recipient country, results that are robust to issues of reverse causality and hold across different sectors. 相似文献
40.