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William H. Branson Louka T. Katseli-Papaefstratiou 《Journal of development economics》1980,7(1):49-69
In this article terms of trade fluctuations, which constitute an important source of income instability in many LDC's, are decomposed into three principal components: (a) shifts in world market conditions, (b) shifts in home market conditions and (c) changes in exchange rates. The appropriateness of a ‘basket peg’ is then analyzed in terms of a country's net export-side market power and a weighting formula is derived which would offset variations in third countries' exchange rates on the home country's terms of trade. Initial empirical results tend to support the hypothesis that basket pegs are usually adopted by countries with net export-side market power. 相似文献
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Recent research indicates that there may be a relationship between the characteristics of the audit engagement partner and audit quality. In this paper, we examine the relationship between audit quality and the presence of a female or male audit engagement partner. We use the likelihood that an auditor issues a going-concern opinion (GCO), conditional on the client's financial situation, as an indicator of audit quality. Using a sample of 7105 financially distressed, private Belgian companies, we find that female auditors are, ceteris paribus, more likely to issue GCOs than male auditors. Our results also show that this effect is stronger when clients are either important (i.e. represent a material portion of the auditor's revenues) or high-risk (i.e. associated with increased uncertainties and risks). Collectively, these results indicate higher audit quality by female auditors. 相似文献
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Nicola Branson Martin Wittenberg 《The South African journal of economics. Suid-afrikaanse tydskrif vir ekonomie》2007,75(2):313-326
We analyse trends in employment, unemployment and labour force participation by simple graphical techniques, using all the October Household Surveys and the September Labour Force Surveys. We show that African male employment in 1995 seems high, when compared to all the other surveys. Furthermore much of the increase in African female labour force participation is concentrated in the period 1998 to 2000, which suggests that measurement and sampling changes may be partially responsible for the trend. We track cohorts of individuals over the eleven years for which we have data. We show that young people are leaving school earlier, while being better educated than their elders. They are not, however, being absorbed into employment at a faster rate. This has led to a spike in youth unemployment. 相似文献
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We establish the inferential properties of the mean-difference estimator for the average treatment effect in randomised experiments where each unit in a population is randomised to one of two treatments and then units within treatment groups are randomly sampled. The properties of this estimator are well understood in the experimental design scenario where first units are randomly sampled and then treatment is randomly assigned but not for the aforementioned scenario where the sampling and treatment assignment stages are reversed. We find that the inferential properties of the mean-difference estimator under this experimental design scenario are identical to those under the more common sample-first-randomise-second design. This finding will bring some clarifications about sampling-based randomised designs for causal inference, particularly for settings where there is a finite super-population. Finally, we explore to what extent pre-treatment measurements can be used to improve upon the mean-difference estimator for this randomise-first-sample-second design. Unfortunately, we find that pre-treatment measurements are often unhelpful in improving the precision of average treatment effect estimators under this design, unless a large number of pre-treatment measurements that are highly associative with the post-treatment measurements can be obtained. We confirm these results using a simulation study based on a real experiment in nanomaterials. 相似文献
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This paper provides a formal presentation of an increasingly popular pure cost-push model of the international spread of inflation. The model, which is based on the division of the economy into competitive (tradeable) and sheltered (non-tradeable) sectors, has been developed in the Scandinavian countries. The paper then tests the predictive performance of the model against two simple demand-pull explanations and finds that the Scandinavian model is a relatively poor predictor. Next, the implications of the Scandinavian model for price and income elasticities of demand on the two sectors are derived, and in the last section these are used to reinterpret the model as part of a structure including both supply and demand sides. 相似文献