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181.
What tenure security? The case for a tripartite view 总被引:1,自引:0,他引:1
In the face of advancing urban informality in the developing world there appears to be increasing consensus that tenure security is an important engine driving settlement development. This has, however, not led to a consensus about what tenure security exactly entails. In both theory and policy, the idea of tenure security for low-income settlement dwellers is encountered in three distinct forms: tenure security as perceived by dwellers, tenure security as a legal construct and de facto tenure security. The main argument of this paper is that much controversy that surrounds the debate arises precisely as a consequence of the indiscriminate use of these different kinds of tenure security. To address this problem, a tripartite conceptualization of tenure security that incorporates its three constituent components (perception, de jure, de facto) and clarifies their interrelations is presented. 相似文献
182.
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184.
This article researches how a corporate code of ethics (CCE) implemented in local government X has influenced the behavior of its employees, middle managers, and managers. Metaphors from the existing and desired CCE elicited by these three groups provided information on how to improve the effectiveness of the CCE. This method proved to be very fruitful. It appeared that continuous systematic attention needed to be paid to the CCE after the CCE had been implemented, particularly by management. Initiatives from management to start discussions about relevant questions of integrity appeared to be also necessary to make the topic a “normal” topic which employees were no longer afraid to discuss. In this way, the possibility could be created to develop collectively a “practical” frame of reference concerning relevant questions of integrity that would help employees to make decisions in difficult situations during their work in the future. 相似文献
185.
Abstract A critical objective for many empirical studies is a thorough evaluation of both substantive importance and statistical significance. Feminist economists have critiqued neoclassical economics studies for an excessive focus on statistical machinery at the expense of substantive issues. Drawing from the ongoing debate about the rhetoric of economic inquiry and significance tests, this paper examines approaches for presenting empirical results effectively to ensure that the analysis is accurate, meaningful, and relevant for the conceptual and empirical context. To that end, it demonstrates several measurement issues that affect the interpretation of economic significance and are commonly overlooked in empirical studies. This paper provides guidelines for clearly communicating two distinct aspects of “significance” in empirical research, using prose, tables, and charts based on OLS, logit, and probit regression results. These guidelines are illustrated with samples of ineffective writing annotated to show weaknesses, followed by concrete examples and explanations of improved presentation. 相似文献
186.
We extend the class of dynamic factor yield curve models in order to include macroeconomic factors. Our work benefits from recent developments in the dynamic factor literature related to the extraction of the common factors from a large panel of macroeconomic series and the estimation of the parameters in the model. We include these factors in a dynamic factor model for the yield curve, in which we model the salient structure of the yield curve by imposing smoothness restrictions on the yield factor loadings via cubic spline functions. We carry out a likelihood-based analysis in which we jointly consider a factor model for the yield curve, a factor model for the macroeconomic series, and their dynamic interactions with the latent dynamic factors. We illustrate the methodology by forecasting the U.S. term structure of interest rates. For this empirical study, we use a monthly time series panel of unsmoothed Fama–Bliss zero yields for treasuries of different maturities between 1970 and 2009, which we combine with a macro panel of 110 series over the same sample period. We show that the relationship between the macroeconomic factors and the yield curve data has an intuitive interpretation, and that there is interdependence between the yield and macroeconomic factors. Finally, we perform an extensive out-of-sample forecasting study. Our main conclusion is that macroeconomic variables can lead to more accurate yield curve forecasts. 相似文献
187.
To determine the sustainability of the policy, an Early Warning System (EWS) has been developed for the Dutch Ministry of Justice. An EWS is used to monitor various developments and to place them within the perspective of future scenarios. Without actually predicting the future, this makes it possible to determine which scenario is the most relevant at any given moment, allowing the department to adapt its policies. Regular modifications to the EWS make it possible to monitor in the direction of which scenario society appears to be moving. This creates a path to the future with which the sustainability of (new) policies can be tested periodically. 相似文献
188.
Suresh Bhagavatula Tom Elfring Aad van Tilburg Gerhard G. van de Bunt 《Journal of Business Venturing》2010,25(3):245-260
Small-scale firms in rural areas play an extremely important role in the development of any country, and especially in developing countries. To understand entrepreneurs who operate in a low-technology industry, we rely on the network perspective on entrepreneurship. In this paper, we investigate how the social and human capital of entrepreneurs (in this case master weavers in the handloom industry) influence their ability to recognize opportunities and mobilize resources. In addition to examining the direct effects, we also explore the possibilities of social capital mediating between human capital, on the one hand, and opportunity recognition and resource mobilization on the other. This paper adds to existing literature in two ways: firstly, we expand the social capital paradigm by including different cultural settings and links to existing studies regarding small enterprises. Secondly, we provide additional evidence to the ongoing debate as to what constitutes a ‘good network’. 相似文献
189.
The development in the working of markets has been an important topic in economic history for decades. The volatility of market
prices is often used as an indicator of market efficiency in the broadest sense. Yet, the way in which volatility is estimated
often makes it difficult to compare price volatility across regions or over time for two reasons. First, if prices are non-stationary,
the variance is inflated. Second, the variance of commodity prices contains information on a number of region- and time-specific
factors that are not related to market efficiency. Hence, the popular coefficient of variation and related indicators are
not adequate measures of the efficiency of markets and are incomparable across regions. As a solution, we suggest using a
conditional heteroscedasticity model to estimate the residual (conditional) variance of commodity prices. This measure reflects
how markets react to unexpected events and can therefore be seen as a measure of market efficiency. Using this approach on
grain prices from the Early Modern Pisa, Paris, Vienna, and Japan, we find that the residual price volatility had declined
(and market efficiency increased) in the European markets in the late sixteenth century while it remained stable in Japan. 相似文献
190.
Peter van Els 《De Economist》2009,157(1):125-125