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91.
Karl L. Guntermann Stefan C. Norrbin 《The Journal of Real Estate Finance and Economics》1991,4(3):297-313
Recent empirical research using real estate data has supported the weak and semi-strong forms of the efficient markets hypothesis. Previous studies have not included an estimate of expected appreciation into the tests of market efficiency, thus raising a question about the reliability of the results. We first use a market model to test for market efficiency with results similar to those reported by others. We next use a dynamic multiple indicator, multiple cause (DYMIMIC) model, which extracts a vector of expected appreciation from the price data, to test market efficiency. This approach produces superior results and a stronger conclusion about the efficiency of housing markets. The results indicate limited adjustment delays which can be explained by the existence of high transactions and search costs. 相似文献
92.
Although the resource‐based view of the firm has been written about extensively, the process by which firm assets are accumulated has not been explored in detail. That is, we know little about the micro‐level mechanisms by which assets are built, nor do we have sufficient empirical evidence why some assets are more difficult to imitate, trade, or substitute. In this exploratory paper, we attempt to provide a better understanding of asset accumulation via an empirical research program in pharmaceutical drug discovery. Using a combination of field research, discovery data from nine pharmaceutical firms, and data on 218 alliances involving new technologies for experimentation and testing, three causes affecting asset accumulation are identified and described. First, the difficulty of imitating a particular asset is affected by interdependencies with other assets. Second, trading of assets can be impeded by structural inertia in the core of a firm that is adopting the technology asset. And third, fully specifying all factors affecting imitation and trading ex ante is very difficult, if not nearly impossible, under conditions of rapid technological change. We propose that the complex interactions of these causes can give rise to imperfections in factor markets. Finally, implications for further research are discussed as well. Copyright © 2002 John Wiley & Sons, Ltd. 相似文献
93.
Breaking with the Notion of Social Contract: Constitutions as Based on Spontaneously Arisen Institutions 总被引:2,自引:2,他引:0
Stefan Voigt 《Constitutional Political Economy》1999,10(3):283-300
The newly emerging subdiscipline of constitutional economics is dominated by adherents to social contract theory although this approach has been severely criticized many a time. In recent years, an alternative approach in which constitutions are conceptualized as conventions has emerged. It is argued here that this alternative approach is a step in the right direction but still does not go far enough. The central hypothesis of the paper is that conceptualizing constitutions as based on spontaneously arisen institutions can help to solve some of the problems left unanswered by the constitutions-as-conventions view. 相似文献
94.
Do Ukrainian Firms Benefit from FDI? 总被引:1,自引:0,他引:1
All countries are eager to attract as much foreign direct investments (FDI) as possible. At the same time FDI may have not only positive, but also negative economic effects for receiving countries. Positive effects are associated with technology transfer, efficient allocation of resources, and training of domestic workers. However, the entry of foreign firms could, e.g., lead to a decrease of labor productivity at domestic firms, which is a negative effect. The main purpose of this paper is to estimate direct and indirect effects of FDI. First, we test for direct influence of foreign direct investments on firms performance, where the latter is estimated alternatively as labor productivity and as exports. FDI notably increases both labor productivity and export volumes. Second, we look for spillover or indirect effects. There is statistical evidence that the levels of FDI in certain regional industries are associated with higher performance indicators of firms not receiving FDI in those same regional industries.JEL Classification: L1, L6, F2 相似文献
95.
Density versus Quality in Health Care Provision: Using Household Data to Make Budgetary Choices in Ethiopia 总被引:1,自引:0,他引:1
Usage of health facilities in Ethiopia is among the lowest inthe world; raising usage rates is probably critical for improvinghealth outcomes. The government has diagnosed the principalproblem as the lack of primary health facilities and is devotinga large share of the health budget to building more facilities.But household data suggest that usage of health facilities issensitive not just to the distance to the nearest facility butalso to the quality of health care provided. If the qualityof weak facilities were raised to that currently provided bythe majority of facilities in Ethiopia, usage would rise significantly.National data suggest that given the current density and qualityof service provision, additional expenditure on improving thequality of service delivery will be more cost-effective thanincreasing the density of service provision. The budget allocationrule presented in the article can help local policymakers makedecisions about how to allocate funds between improving thequality of care and decreasing the distance to the nearest healthcare facility. 相似文献
96.
97.
Dr. Stefan Strecker Univ.-Prof. Dr. Herbert Kargl 《Business & Information Systems Engineering》2009,1(3):204-212
The paper is based on the thesis that IT controlling suffers from two integration deficits with regard to its methods base:
On the one hand, this is a lack of synchronization between research on IT controlling methods and developments in practice;
on the other hand, a lack of integration of IT controlling methods with methods of business and information systems engineering
(BISE). Based on this assumption, the paper investigates historical developments in IT controlling research and practice to
derive theses about the present state of method integration. The analysis finds indications for further potential for method
integration and identifies these potentials. Requirements towards method integration are derived from an analysis of the identified
integration potentials and two examples illustrate how to realize further integration.
Accepted after two revisions by the editors of the special focus.
This article is also available in German in print and via http://www.wirtschaftsinformatik.de: Strecker S, Kargl H (2009)
Integrationsdefizite des IT-Controllings – Historischer Hintergrund, Analyse von Integrationspotenzialen und Methodenintegration.
doi: 10.1007/s11576-009-0175-9. 相似文献
98.
Die positive Entwicklung des deutschen Arbeitsmarkts führt zu einer zunehmenden Diskussion über die Qualit?t des Besch?ftigungsaufbaus.
Kritiker beanstanden die Zunahme flexibler Besch?ftigungsformen und fordern mehr Regulierung. Aus ?konomischer Sicht würde
die Wiedereinschr?nkung der in den vergangenen Jahren hinzugewonnenen ?ffnungsspielr?ume die Allokationsfunktion des Arbeitsmarkts
schw?chen. Dabei l?sst sich der Besch?ftigungsaufbau wesentlich auf die Arbeitsmarktreformen der letzten Jahre zurückführen.
Durch flexible Besch?ftigungsformen und eine besch?ftigungsorientierte Tarifpolitik wurden die Wettbewerbselemente des Arbeitsmarkts
gest?rkt. 相似文献
99.
100.
Arne Bigsten Paul Collier Stefan Dercon Bernard Gauthier Jan Willem Gunning ers Isaksson Abena Oduro Remco Oostendorp Cathy Pattilo Mans Soderbom Michel Sylvain Francis Teal & Albert Zeufack 《Oxford bulletin of economics and statistics》1999,61(4):489-512
Firm level data for the manufacturing sector in Africa, presented in this paper, shows very low levels of investment. The importance of profit effects on investment is investigated using a flexible accelerator, a specification based on the Euler equation and a simple generalisation of these specificiations. There are controls for firm fixed effects. It is shown that the profit effect is very similar for both the accelerator and Euler equation specifications. A comparison with other studies shows that, for small firms, the effect is much smaller in Africa than for other countries. Reasons for the relative insensitivity of investment to profits in African firms are suggested. For the most general specification tested there are no significant differences in the size of the profit effect across the four countries in the study. 相似文献