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841.
In the past years central banks of major Western industrialised countries have repeatedly attempted to change the trend of the US-Dollar rate by means of intervention in the foreign exchange markets. Our authors analyse the objectives, effects and chances of success of such exchange market interventions. 相似文献
842.
This paper deals with second-best one-route congestion pricing in case of an untolled alternative. Using a two-link network simulation model, the effects of various demand and cost parameters on the relative efficiency of one-route tolling are analyzed. It is investigated whether the existence of costs of congestion charging may be a reason for one-route tolling to be more “overall efficient” than two-route tolling. Finally, the efficiency of revenue-maximizing one-route and two-route tolling is discussed. 相似文献
843.
In this paper the following results of a transition from public to private ownership are obtained: The manager of a public firm engages in less effort than is efficient; in a privatized firm the manager's effort is chosen efficiently. The reward to the manager of a public firm is more differentiated than efficient. In the case of an unfavourable economic environment the reward is higher than efficient. On the other hand, the manager in a privatized firm is always rewarded efficiently. It is irrelevant whether the public manager is incompletely informed about the particular mix of government's multiple objectives as long as the government chooses the incentive-compatible reward for the manager.
Zusammenfassung Wird ein Unternehmen vom öffentlichen ins private Eigentum übergeführt, so gilt folgendes: Im öffentlichen Unternehmen sind das Ausmaß der Forschungs- und Entwicklungsinvestitionen sowie der Arbeitseinsatz des Managers niedriger als im Kostenminimum. Im privatisierten Unternehmen werden dagegen der Arbeitseinsatz des Managers und die Forschungs- und Entwicklungsinvestitionen in kostenminimierendem Umfang gewählt. In der öffentlichen Unternehmung führt Informationsasymmetrie zu einer stärkeren Spreizung der Managerentlohnung als im privatisierten Unternehmen. In privatisierten Unternehmen ist die Managerentlohnung so niedrig, daß der Manager nur seinen Reservationsnutzen erhält.相似文献
844.
845.
Generalized extreme value (GEV) random utility choice models have been suggested as a development of the multinomial logit models that allows the random components of various alternatives to be statistically dependent. This paper establishes the existence of and provides necessary and sufficient uniqueness conditions for the solutions to a set of equations that may be interpreted as an equilibrium of an economy, the demand side of which is described by a multiple-segment GEV random choice model. The same equations may alternatively be interpreted in a maximum likelihood estimation context. The method employed is based on optimization theory and may provide a useful computational approach. The uniqueness results suggest a way to introduce segregation/integration effects into logit type choice models. Generalization to non-GEV models are touched upon. 相似文献
846.
Petri Kyröläinen 《Journal of Economics and Finance》2008,32(1):75-89
When an investor buys and sells the same stock on the same day, he is said to have made a day trade. Using the trading records of Finnish traders, this paper examines whether day trading is related to volatility of stock prices. I find a strong positive time-series relation between the number of day trades by individual investors and intraday volatility among heavily day traded stocks. This effect is robust after controlling for a previously documented volume–volatility relation. The result suggests that the joint hypothesis of price pressure and volatility induced day trading dominates the liquidity effects of day trading. 相似文献
847.
F. B. Löhnis 《De Economist》1893,42(1):306-311
Ohne Zusammenfassung 相似文献
848.
This paper focuses on the role of the efficiency gap in determining whether or not domestic firms benefit from productivity spillovers from FDI. We use establishment level data for the period 1980–1992 for the UK. Given that there is substantial heterogeneity of productivity across sectors we focus on two manufacturing sectors in detail, namely, electronics and engineering. We allow for different effects of FDI on establishments located at different quantiles of the productivity distribution by using conditional quantile regression. Overall, while there is some heterogeneity in results across sectors and quantiles, our findings clearly suggest that the efficiency gap matters for productivity spillover benefits. We find evidence for a u-shaped relationship between productivity growth and FDI interacted with the efficiency gap. We also analyse in some detail the impact of changes in relative efficiency on establishments’ ability to benefit from spillovers. 相似文献
849.
The authors acknowledge research support from the Non-Industrial Private Forest Owner's Fund for Forest Research, and statistical guidance from Professor Bo Ranneby. 相似文献
850.
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