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61.
In this paper, the productivities of Japanese airports over the period of 1987–2005 are analyzed using the Malmquist index, and technological bias is investigated. During this period, airports on average became less efficient and experienced technological regress. Our results indicate that the traditional growth accounting method, which assumes Hicks neutral technological change, is not appropriate for analyzing changes in productivity for Japanese airports. 相似文献
62.
This paper proposes a framework for benchmarking Portuguese bus companies and the rationalisation of their operational activities, using the Luenberger productivity indicator. A key advantage of this method is that it allows for both input contraction and output expansion in determining relative efficiencies and productivity changes. For comparative purposes, a Malmquist index is also estimated. The Malmquist index overvalues the Luenberger productivity indicator. Results indicate that public bus companies have similar efficiency to private bus companies. Several interesting and useful managerial insights and policy implications arise from the study. 相似文献
63.
In this paper, the random stochastic frontier model is used to estimate the technical efficiency of Japanese airports, with regulation and heterogeneity included in the variables. The airports are ranked according to their productivity for the period 1987–2005 and homogeneous and heterogeneous variables in the cost function are disentangled. Policy implications are derived. 相似文献
64.
This paper uses data envelopment analysis (DEA) to evaluate the performance of English Premier League football clubs from 1998/99 to 2002/03 combining sport and financial variables. The paper evaluates how close the clubs are relative to the frontier of best practices, analysing how they manage sport as well as financial results. Managerial implications of the research are devised. 相似文献
65.
Using long-range dependence techniques we examine the order of integration of Angola’s macro variables from a fractional viewpoint. Based on a small open economy model, the series examined are money reserves, credit, money supply, lending rate, exchange rates, CPI, GDP, oil revenues and government expenditure, for the period of January 2000 to December 2013. The results suggest that the variables are nonstationary with orders of integration equal to or higher than 1 suggesting nonmean-reverting behaviour. Structural breaks reveal that the series reflect the IMF intervention in Angola in 2003 to control inflation. Policy implications are derived. 相似文献
66.
Pedro Pita Barros 《The GENEVA Risk and Insurance Review》1993,18(1):93-101
We study entry in markets which are characterized by adverse selection. The analysis is motivated by the introduction of freedom of services in insurance markets at the European Community (EC) level. We assume that entrants in each domestic market (large multinational firms) are more efficient due to scale/scope economies but suffer an informational disadvantage. Incumbent firms, on the other hand, have perfect information about risks but incur higher production costs. We show there may exist competitive equilibria in which both types of firms coexist. The idea is that each technology trades-off production costs with information costs. 相似文献
67.
Geraldo S.A. Camargo Barros 《Agricultural Economics》1992,7(3-4):317-329
An identified vector-autoregressive model is used to analyze the transmission of external commodity shocks to the Brazilian economy. The effects of the interaction between domestic macroeconomic (monetary and exchange rate) policies and external shocks to agricultural commodity (raw material and food) prices and crude oil price upon domestic (agriculture/industry) terms of trade are estimated. 相似文献
68.
Carlos Pestana Barros Emanuel Reis Leão Nkanga Pedro João Macanda Zorro Mendes 《The South African journal of economics. Suid-afrikaanse tydskrif vir ekonomie》2016,84(3):484-498
This article studied the technical efficiency of Angolan banks from 2005 to 2012 using a Bayesian stochastic frontier model. The intermediation approach to banking was adopted. The results revealed that Angolan banks were very efficient and that efficiency varies little among the banks analysed. Furthermore, the differences in efficiency between foreign banks, public banks, large‐sized banks and banks that belong to a local conglomerate were examined. It was concluded that the greatest efficiency was to be found in the case of foreign banks. Since size and conglomerate membership do not seem to lead to greater bank efficiency, it was proposed that Angolan policymakers should promote competition in the banking sector. 相似文献
69.
This paper analyses the technical efficiency of the Mozambique football league from 2008 to 2014 using a Bayesian stochastic frontier model with exponential specification. Covariates include contextual characteristics such as location, identification as a Muslim club, and sporting performance. The results uncover that Mozambique sports clubs display varying efficiency, revealing distinct managerial incentives in the Mozambique football league. Policy implications are derived, including efficiency scores deemed to be acceptable to the league and reconsideration of the rationale for national investment in all league’s clubs. 相似文献
70.
Industrial Policy and Firm Heterogeneity 总被引:2,自引:0,他引:2
Our concern in this paper is with firm-specific industrial policy. When R&D subsidies or taxes are differentiated among firms, the question arises as to which firms in an industry should receive such support. We analyze a situation where firms differ in their R&D technologies in two distinct ways: in the costs of performing R&D activities and in the output obtained from such activities. We find that the optimal firm-specific industrial policy is affected differently by the two sources of firm heterogeneity. Furthermore, a change in a firm's R&D productivity has an ambiguous effect on the optimal policy towards the firm.
JEL classification: O 31; L 52; F 13 相似文献
JEL classification: O 31; L 52; F 13 相似文献