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51.
Over time, economic statistics are refined. This implies that data measuring recent economic events are typically less reliable than older data. Such time variation in measurement error affects optimal forecasts. Measurement error, and its time variation, are of course unobserved. Our contribution is to show how estimates of these can be recovered from the variance of revisions to data using a behavioural model of the statistics agency. We illustrate the gains in forecasting performance from exploiting these estimates using a real‐time dataset on UK aggregate expenditure data. Copyright © 2009 John Wiley & Sons, Ltd. 相似文献
52.
Corporate social responsibility (CSR) has steadily grown in importance. We show government regulation on corporate reporting of CSR, aimed to spur its growth and increase transparency, has grown in tandem. Such reporting regulation is more readily observable than CSR itself and can be used as a proxy for the latter. We show that larger economies with higher institutional capacity find it easier to develop reporting regulations, and that international influences and local pollution increase concerns are important contributing factors. We show that such regulation also increases CSR, even after accounting for common unobserved factors that may affect both. 相似文献
53.
Modern paper currency contributes little to productive investment. This shortcoming is not inherent to paper money. It stems from the fact that currency today is monopolistically supplied by public monetary authorities that are poor intermediaries. Commercial banknotes may, in contrast, support efficient intermediation, just as private bank deposits do. We demonstrate this advantage in an endogenous growth model, and use the model to simulate, for a sample of developing countries, steady‐state growth‐rate gains from various degrees of banknote deregulation. The simulated gains are generally large compared with those from conventional forms of financial liberalization. 相似文献
54.
LeChatelier (Comptes Rendus 99:786, 1884) and LeChatelier (Ann Mines 13(2):157, 1888) proposed that the adjustment of a physical system to a disturbance in its equilibrium was smaller as constraints are added to the adjustment process. Samuelson (Econometrica 28:368–379, 1960) showed that this Principle applied to a stable multimarket equilibrium for the case that all commodities are gross substitutes. We note that the Principle also applies to the stable equilibria of markets for which commodities can also be gross complements as formulated by Morishima (Osaka Econ Pap 1:101–113, 1952). Further, the Morishima and gross substitute cases are the only cases to which the Principle can apply, based only upon the stability hypothesis and a specification of the gross substitute/complement relations among commodities. We show that the Milgrom and Shannon (Econometrica 62:157–180, 1994) single crossing conditions specified for monotone comparative statics can be configured appropriate to the Morishima case to give global conditions for the LeChatelier Principle to apply to a multimarket equilibrium. 相似文献
55.
This study examines the influence of a Finance doctoral program’s academic content on the research productivity of the graduates
at the time of the tenure decision. The results of this investigation show that a Finance program’s academic content has no
influence on the total number of publications of program graduates, but finds a significant relationship between academic
content and graduate’s records of publications in top finance journals by the time of the tenure evaluation. More precisely,
doctoral programs requiring more mathematically oriented classes such as Continuous Time Finance and/or Stochastic Calculus
produce graduates who have a better record of publication in top finance journals at the time of tenure than those graduating
from programs without these requirements. 相似文献
56.
This paper uses both Data Envelopment Analysis (DEA) and Free Disposal Hull (FDH) models in order to determine different performance
levels in a sample of 353 foreign equities operating in the Greek manufacturing sector. Particularly, convex and non-convex
models are used alongside with bootstrap techniques in order to determine the effect of foreign ownership on SMEs’ performance.
The study illustrates how the recent developments in efficiency analysis and statistical inference can be applied when evaluating
performance issues. The analysis among the foreign equities indicates that the levels of foreign ownership have a positive
effect on SMEs’ performance. 相似文献
57.
58.
George S. Tavlas 《Journal of economic surveys》2009,23(1):1-43
Abstract. With the 14 members of the Southern African Development Community (SADC) having set the objective of adopting a common currency for the year 2018, an expanding empirical literature has emerged evaluating the benefits and costs of a common-currency area in Southern Africa. This paper reviews that literature, focusing on two categories of studies: (1) those that assume that a country's characteristics are invariant to the adoption of a common currency and (2) those that assume that a monetary union alters an economy's structure, resulting in trade creation and credibility gains. The literature reviewed suggests that a relatively small group of countries, typically including South Africa, satisfies the criteria necessary for monetary unification. The literature also suggests that, in a monetary union comprising all SADC countries and a regional central bank that sets monetary policy to reflect the average economic conditions (e.g. fiscal balances) in the region, the potential losses (i.e. higher inflation) from giving up an existing credible national central bank, a relevant consideration for South Africa, could outweigh any potential benefits of trade creation resulting from a common currency. 相似文献
59.
Detection of structural change is a critical empirical activity, but continuous ‘monitoring’ for changes in real time raises well‐known econometric issues that have been explored in a single series context. If multiple series co‐break then it is possible that simultaneous examination of a set of series helps identify changes with higher probability or more rapidly than when series are examined on a case‐by‐case basis. Some asymptotic theory is developed for maximum and average CUSUM detection tests. Monte Carlo experiments suggest that these both provide an improvement in detection relative to a univariate detector over a wide range of experimental parameters, given a sufficiently large number of co‐breaking series. This is robust to a cross‐sectional correlation in the errors (a factor structure) and heterogeneity in the break dates. We apply the test to a panel of UK price indices. Copyright © 2011 John Wiley & Sons, Ltd. 相似文献
60.
This paper analyzes how European football clubs' current value and debt levels influence their performance. The Simar and Wilson (J Econometrics, 136: 31–64, 2007) procedure is used to bootstrap the data envelopment analysis scores in order to establish the effect of football clubs' current value and debt levels on their obtained efficiency scores. The results reveal that football clubs' current value levels have a negative influence on their performances, indicating that football clubs' high value does not ensure higher performance. At the same time, the empirical evidence suggests that football clubs' debt levels do not influence their efficiency levels. Copyright © 2012 John Wiley & Sons, Ltd. 相似文献