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101.
This study uses a cross-country panel to examine the determinants of corruption, paying particular attention to political institutions that increase accountability. Even though the theoretical literature has stressed the importance of political institutions in determining corruption, the empirical literature is relatively scarce. Our results confirm the role of political institutions in determining the prevalence of corruption. Democracies, parliamentary systems, political stability, and freedom of press are all associated with lower corruption. Additionally, common results of the previous empirical literature, related to openness and legal tradition, do not hold once political variables are taken into account. 相似文献
102.
Marianito R. Rodrigo 《Quantitative Finance》2013,13(11):1961-1970
We propose a new method to calibrate the Vasicek and Cox--Ingersoll--Ross interest rate models from bond prices. We define an appropriate generating function and derive recursive relations between the derivatives of the generating function and the bond prices. The parameters of the Vasicek and CIR models are then obtained by solving a system of linearly independent equations arising from the recursive relations. We include numerical results that show the method’s accuracy when bond prices generated from the exact formulas are used. 相似文献
103.
In this paper we study a static link formation game under consent that has multiple Nash equilibria. In the literature, the
use of coalitional refinements has been the standard approach to select among equilibria. Alternatively, based on the Global
Games theory, a non cooperative equilibrium selection approach is proposed, so as to select those Nash equilibria that are
robust to the introduction of incomplete information. Interestingly, the equilibrium selected is unique and it is in conflict
with those predicted by the commonly used coalitional refinements. Furthermore, a conflict is found between stability and
efficiency even when no such conflict exists with the coalitional refinements.
We are especially grateful to Deborah Minehart, Roger Lagunoff, Daniel Vincent, Peter Cramton, Luca Anderlini, Axel Anderson,
Felipe Zurita, Francis Bloch, Colin Stewart, the editor and three anonymous referees for their valuable comments that contributed
to improve the paper. We also thank participants at the EEA-ESEM, Stockholm 2003, the IUSC conference, Columbia University
2003, and the Workshop on Global Games, SUNY, Stony Brook, 2007. 相似文献
104.
105.
Ghadah Essa Ali Rodrigo Magalhaes 《International Journal of Training and Development》2008,12(1):36-53
The paper reports on a research project that encompasses two key objectives: (1) finding out about the barriers affecting or preventing e‐learning from being adopted by companies as an integral part of their workforce's training and learning processes and (2) establishing a comparison between the barriers and the e‐learning implementation models found in Kuwait and in the practice of Western companies. The practices from Western countries are used as a benchmark for the Kuwaiti experience. The collection of the primary data was carried out through the use of semi‐structured questionnaires with human resources managers as well as IT managers in charge of the e‐learning of 11 of the largest companies in Kuwait. The research results show that the key implementation barriers in Kuwait are (1) lack of management support; (2) language barriers; (3) IT problems; and (4) workload and lack of time. From these, two are common to Western countries (technology and time). The remaining two (management support and language barriers) are specific to Kuwait. Regarding the comparison between the two implementation models, the key finding was that the usual e‐learning development cycle (plan–design–integrate–improve) was not followed in Kuwait. The planning, designing and improving stages were largely ignored, with the emphasis resting almost completely on integrating the e‐learning tools and processes in the rest of the organization. This finding was found to be in line with barrier number one – lack of management support. The key lesson learned from this research is that the problem of e‐learning implementation in Kuwait is not so much one of knowing what the barriers are but one of knowing what the appropriate management processes should be for companies to achieve business success. The paper also provides recommendations for an e‐learning development plan to fit the current business environment in Kuwait. 相似文献
106.
107.
Using a rich data set of Chilean exporters, we analyse several issues regarding the relationship between entry into export markets and product quality. We find that every year, a large number of new exporting relationships are initiated, but the survival rate of these entries is very low and declines over time. Using unit values as a proxy for product quality, our estimations show that entry is generally associated with higher product quality. This higher quality, however, tends to reduce over time and eventually disappears three years after entry. In addition, our evidence suggests that the positive relationship between entry and quality is more prevalent in new exporters. To better identify this effect, we explore whether there are systematic differences across sectors. As expected, for sectors in which quality differentiation may be important, our findings reveal that reference‐price and differentiated products show a higher price in the year of entry and a longer convergence to incumbent prices. These results hold after controlling for potential sample selection bias. 相似文献
108.
NO‐ARBITRAGE PRICING FOR DIVIDEND‐PAYING SECURITIES IN DISCRETE‐TIME MARKETS WITH TRANSACTION COSTS 下载免费PDF全文
We prove a version of First Fundamental Theorem of Asset Pricing under transaction costs for discrete‐time markets with dividend‐paying securities. Specifically, we show that the no‐arbitrage condition under the efficient friction assumption is equivalent to the existence of a risk‐neutral measure. We derive dual representations for the superhedging ask and subhedging bid price processes of a contingent claim contract. Our results are illustrated with a vanilla credit default swap contract. 相似文献
109.
Fernando Chague Rodrigo De-Losso Alan De Genaro Bruno Giovannetti 《Journal of Financial Economics》2017,123(3):646-670
High loan fees generate short-selling constraints and, therefore, reduce price efficiency. Despite the importance of loan fees, empirical evidence on their determinants is scarce. Using a market-wide deal-by-deal data set on the Brazilian equity lending market which uniquely identifies borrowers, brokers, and lenders, we are able to construct a proxy of search costs at the borrower–stock–day level. We find that—for the same stock, on the same day—borrowers with higher search costs pay significantly higher loan fees. Our results suggest that regulators should encourage the use of a centralized lending platform to reduce search costs in the lending market. 相似文献
110.
We propose a sequential heuristic approach to optimize inventory service levels in a two-stage supply chain. The proposed approach deals with service level and inventory decisions, simultaneously with network design decisions, and incorporating unfulfilled demand costs in a previous inventory-location model. A two-step formulation is considered, where the first step optimizes service level and the second step addresses location and inventory decisions. Each algorithm iteration solves an inventory-location model for a fixed service level, and then the service level is updated in order to reach an equilibrium condition between operating system and unfulfilled demand costs. The algorithm converged in three iterations for a set of sample instances, obtaining the same outcome in comparison with a more intuitive, exact, but more time-consuming search procedure. 相似文献