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91.
Nikolaj Malchow‐Møller Jakob R. Munch Jan Rose Skaksen 《The Scandinavian journal of economics》2012,114(4):1267-1295
We propose and test a novel effect of immigration on wages. Existing studies have focused on the wage effects that result from changes in the aggregate labour supply in a competitive labour market. We argue that if labour markets are not fully competitive, immigrants might also affect wage formation at the most disaggregate level – the workplace. Using linked employer?employee data, we find that an increased use of low‐skilled immigrant workers has a significantly negative effect on the wages of native workers at the workplace – also when controlling for potential endogeneity of the immigrant share using both fixed effects and instrumental variables. 相似文献
92.
Abstract A number of European countries have witnessed a proliferation of local government enterprises in recent years. Norwegian local councillors are seemingly particularly exposed to this ‘enterprise fever’. Our article explores local governments' approaches to the political control of such companies. We observe a reluctance to intervene directly in the affairs of an enterprise, but there is a last-resort preparedness to take more resolute action. Lastly, in contrast to what the prototypical agency model postulates, we find that those who attach strong aspirations of increased capacity to the establishment of companies appear to lack trust in the same companies' performance capability. 相似文献
93.
Sjur Didrik Flåm 《Annals of Finance》2010,6(3):357-368
Considered here is on-line portfolio management aimed at maximizing the long-run growth of financial wealth. The portfolio
is repeatedly rebalanced in response to observed returns on diverse assets. Suppose statistical information and related methods
are not available—or deemed too difficult. On that assumption this paper explores how an adaptive procedure, which totally
dispenses with statistics and associated competence, nonetheless may solve the problem over time. 相似文献
94.
Slow productivity growth in the building and construction industry is often put forward as the cause of rising building costs. In view of the importance of the building sector in the national economy, factual empirical knowledge is hard to come by. The few studies found are usually carried out on a sectoral level and based on time-series data. However, to come to grips with the real causes for slow productivity growth, one has to analyze at the microlevel of actual decision making. Our study is based on establishment data for 1986. The method of analysis is the deterministic frontier approach. The efficiency distributions show large variations with average structural efficiency about 20 percent. Thus, there is significant scope for productivity improvement if average performance can catch up with best practice.The refereeing process of this article was handled through T.G. Cowing. 相似文献
95.
Audun Langørgen 《International Tax and Public Finance》2011,18(2):193-213
When private goods are publicly provided, government authorities have to determine the distribution of in-kind benefits to
recipients. In this paper, the public service provider is assumed to maximize utility defined over public service supply to
different target groups, given a budget constraint. The production technology is target-group-specific and depends on the
ability of each target group to produce service outcomes. Three benchmark allocation principles are identified: equality of
treatment (ET), equality of outcome (EO), and equality of marginal cost (EMC). These principles can be considered to be consistent
with special cases of a public preference model, which allows for compromises between different allocation principles. The
condition of technological dominance implies that there is a clear-cut equity–productivity trade-off, whereas violations of
this condition may reduce the significance of the trade-off. 相似文献
96.
Gunnar Isacsson 《Journal of Applied Econometrics》2004,19(1):99-119
This paper relaxes some restrictions of previous twin‐based estimates of the effects of education on earnings. First, it estimates the earnings premiums associated with different educational levels. Second, it estimates a piecewise linear relationship between the natural logarithm of annual earnings and years of schooling. Third, the measurement error corrections are based on a less restrictive, ‘non‐classical’, measurement error model. The estimation strategy implies that ability bias can be investigated separately in different parts of the educational distribution. The linear relationship between the logarithm of annual earnings and years of schooling is rejected. Furthermore, the results in the sample of identical (MZ) twins indicated both that the ability bias could be of different signs and of different magnitudes in different parts of the educational distribution. The twin‐based estimates in the sample of fraternal (DZ) twins did not display any marked differences as compared to the cross‐sectional estimates. Finally, the results indicated that the error‐corrected twin‐based estimates of the average return to years of schooling that rely on a classical measurement error model are upwards biased by approximately 30%. Copyright © 2004 John Wiley & Sons, Ltd. 相似文献
97.
Mia K. Ahlgren Inga‐Britt Gustafsson Gunnar Hall 《International Journal of Consumer Studies》2005,29(6):485-492
The context in which a meal is eaten is known to affect intake and choice of food. The purpose of this study was to investigate in what typical situations ready meals are consumed and if consumer demands vary according to different situations. With a market survey four typical ready meal eating situations were identified, and the respondent's ready meal consumption was shown to be affected by situational factors. In the different eating situations there were dissimilar reasons for consumption. Two ready meal eating situations were investigated in greater detail in order to establish what triggered the ready meal consumption in these situations. One of these meal situations proved to be convenience driven and the other time driven. A situation‐oriented approach is suggested for further ready meal product development. 相似文献
98.
The majority of South Africa's older population is income poor and lives in multigeneration households. Since the first democratically elected government came into power in 1994, South Africans have been promised ‘a better life for all’. A range of policies and programmes has been implemented to improve the living standards and quality of life of the poor. The article asks how the older poor have benefited from government interventions in the period 1995–8. Drawing on data compiled from Statistics South Africa's household surveys in 1995 and 1998 (n=20 000–30 000 households), a set of over 35 objective and subjective indicators broken down by income and younger and older households is reviewed. Older households include at least one member over 60 years of age. Results show that access to services and opportunities improves systematically from poor to rich households. Major material gains for the poor and older households during the review period include access to clean water, electricity and home ownership. Older poor households with better access to services and opportunities are more likely to express overall satisfaction with their living circumstances. The study concludes that the most effective mechanism for poverty alleviation appears to be the non-contributory, means-tested state old-age pension, which lifts some households out of the most disadvantaged bottom income group. Policies under discussion promise further opportunities for empowering poor households with older members. 相似文献
99.
100.