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41.
This paper uses fractional integration models to describe the long‐run dependence of nominal exchange rates in Central and Eastern European countries (CEECs). The analysis is validated using nonparametric, semiparametric and parametric techniques. From comparing the results across the three approaches, it was clear that mean reversion takes places only for the euro exchange rates in Bulgaria, Estonia, and Slovenia. Other exchange rates based on the euro also display mean reversion with the parametric methods. For the US dollar rates, the unit‐root null hypothesis cannot be rejected in any single country, indicating that shocks affecting the exchange rates against the US dollar are of a permanent nature, while those directed against the euro are less persistent, and tend sometimes to disappear in the long run. Policy implications are derived. 相似文献
42.
José Luis Lima 《Applied economics》2013,45(41):4423-4441
Self-regulation (SR) is a common way of enforcing quality in markets (such as banking, financial services and several professions) and in a variety of public and private organizations. We provide experimental evidence of the reputational incentives of self-regulatory organizations (SROs) to publicly disclose versus cover-up fraud in an incomplete information environment. We find that observed behaviour is generally consistent with Bayesian equilibrium when subjects are informed about the relative likelihood of fraud detection by a ‘vigilant’ versus a ‘lax’ SRO type. In particular, a fraud disclosure equilibrium is supported when subjects are informed that the ‘vigilant’ SRO is more likely to detect fraud; otherwise, a cover-up equilibrium is supported. However, when subjects are not informed about the relative likelihood of fraud detection by the SRO types (as expected in real SR situations), no equilibrium is strongly supported. Our results suggest that in practice, the reputation-based incentives for effective SR may be inherently ambiguous and weak. 相似文献
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44.
Agora Partnerships is a micro venture capital fund founded by Benjamin Powell in the US and Ricardo T. Teran in Nicaragua. Agora started operations in 2005 with the goal of identifying and supporting entrepreneurs and business plans with high potential for success. The fund faces some unique challenges. First, the size of the businesses that is investing in does not allow for a traditional “management fee” structure. Secondly, traditional investment exits are nearly impossible in Nicaragua. This teaching case includes analysis on sources of investment capital, deal structures, and expected returns. The unresolved dilemma remains how to structure an investment proposal attractive to both investors and entrepreneurs. The case also allows discussing how to adapt the venture capital model to an emerging country like Nicaragua. 相似文献
45.
Recent theoretical models (Carlson, Fisher, and Giammarino, 2004) predict an association between the book-to-market equity ratio (BE/ME) and operating leverage in the cross-section. Consistent with these models, we find a positive association between BE/ME and the degree of operating leverage (DOL), between DOL and stock returns, and between DOL and systematic risk. Overall, our findings provide support for a risk-based explanation for the value premium that is consistent with existing theoretical models. The evolution of systematic risk associated with firm-level investment activity, rather than financial distress, seems to be the main determinant of the value premium. 相似文献
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47.
Mutual aid often entails the sharing of knowledge. We investigate how, in turn, knowledge sharing affects the long-run dynamics of mutual aid. In our economy, agents with specific knowledge are “held up” by their principals. Inside communities, agents aid each other by sharing their specific knowledge. This process generates a new type of knowledge which exacerbates the specificity of the existing types and induces more agents to engage in mutual aid. However, since the knowledge generated is shared, it progressively renders agents inside communities more flexible and, thus, less dependent on mutual aid. We characterize conditions under which in the long-run mutual aid spreads or is abandoned. 相似文献
48.
As far as we are aware, this study presents the first comparative analysis of the stock picking and market timing abilities of managers of conventional and socially responsible (SR) pension funds, and of their use of superior information. For the United Kingdom, the results obtained show a slight stock picking ability on the part of SR pension fund managers (although it disappears if multifactorial models are considered), and a negative market timing ability on the part of both SR and conventional pension fund managers (these results hold for multifactorial models controlled by home bias). In relation to the management styles, both conventional and SR pension funds usually invest in small cap and growth values, although it is the SR pension funds that are the most exposed to these styles. We also observed that, while conventional pension fund managers make certain use of superior information to follow stock picking strategies, managers of SR pension funds use superior information to follow market timing strategies. 相似文献
49.
The present paper is a methodological contribution introducing a disaggregated physical productivity accounting framework in vertically (hyper‐)integrated terms, establishing a direct correspondence between Supply–Use Tables and Pasinetti's (1973, 1988) theoretical magnitudes. As an empirical application, we computed productivity indicators and indexes of direction of technical change at the subsystem level for the case of Italy during 1999–2007. Our findings suggest that: (a) only 60 per cent of productivity growth accrued to real wages, (b) the degree of mechanization increased, (c) the most dynamic subsystems correspond to consolidated sectors, and (d) technical change has almost always been capital intensity increasing. 相似文献
50.
Public activity in the telecommunications industry has experienced important transformations in the last decade: “reinvolvement” in infrastructure deployment, “innovative” boosting measures, and decentralisation of some decisions. Conceptually, even more important than the measures themselves is the fact that private agents often participate in their realisation and execution. This paper reviews how justifications for public action that would apply to any economic activity area have modelled the public-private relationship in the telecommunications sector. Subsequently, it focuses on the analysis of the new spaces for public-private collaboration that are currently opening up. 相似文献