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University of Nottingham
(84 results)-
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Against Spyware Using CAPTCHA in Graphical Password Scheme
January 22, 2010, 12:00am PST
With the aim of introducing new schemes with graphical passwords, this paper proposes CAPTCHA that is a text-based scheme. Text-based password schemes are provided with in-built security and...
Provided by University of Nottingham
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Multiscale not Multicore: Efficient Heterogeneous Cloud Computing
March 7, 2010, 12:00am PST
In this paper, authors present a vision of the future of heterogeneous cloud computing. Ours is a cleanslate approach, sweeping away decades of accreted system software. They believe the advent of...
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Web-Based Caregiver Monitoring System for Assisting Visually Impaired People
March 20, 2009, 12:00am PDT
This paper presents a web-based caregiver monitoring system for assisting visually impaired people. The objective of this system is to assist blind and low vision people to walk around...
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Financial Analysis Analogies for Software Risk
September 14, 2010, 12:00am PDT
A dynamic software risk assessment model is presented. Analogies between dynamic financial analysis and software risk assessment models are established and based on these analogies it suggested...
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Optimal Education Policies And Comparative Advantage
January 1, 2009, 12:00am PST
The authors consider the optimal education policies of a small economy whose government has a limited budget. Initially, the economy is closed and the government chooses its education policy to...
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Migration And Capital Accumulation: Evidence From Rural Mexico
March 9, 2011, 12:00am PST
This paper studies the link between migration, remittances and productive assets accumulation for a panel of poor rural households in Mexico over the period 1997- 2006. In a context of financial...
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Global Burden Of Disease And Economic Growth
January 4, 2011, 12:00am PST
Relationships between health and economic prosperity or economic growth are difficult to assess. The direction of the causality is often questioned and the subject of a vigorous debate. For some...
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Income Growth, Price Variation And Health Care Demand: A Mixed Logit Model Applied To Tow-Period Comparison In Rural China
January 5, 2011, 12:00am PST
1989-2006 is a period of the start and the end of deregulation of Chinese health care sector and of disintegration of rural cooperative insurance system. During this period, the government health...
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West African Monetary Integration And Interstates Risk-Sharing
January 6, 2011, 12:00am PST
There are continuing efforts at the monetary integration and unionization in West Africa. Several academics argue that a monetary union among West African states would be costly because of the...
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Corruption, Taxation And Economic Growth: Theory And Evidence
January 17, 2011, 12:00am PST
In this paper, the authors analyze the interaction between corruption, taxation and economic growth. These contributions are twofold. Theoretically, in an endogenous growth model, they introduce...
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When Unstable, Growth Is Less Pro Poor
January 17, 2011, 12:00am PST
Macroeconomic instability has been increasingly considered as a factor lowering average income growth and by this way is a factor slowing down poverty reduction. But it can also result in slower...
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Leadership In Public Good Provision: A Timing Game Perspective
January 18, 2011, 12:00am PST
The authors address in this paper the issue of leadership when two governments provide public goods to their constituencies with cross border externalities as both public goods are valued by...
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Financial Reforms, Growth And Regional Disparity In Post-Reform China
January 18, 2011, 12:00am PST
In this paper, by employing the Generalized Method of Moment (GMM) techniques and Chinese provincial level data from 1991 to 2003, the authors empirically investigate the relationship between...
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Fiscal Policy Space And Economic Performance: Some Stylized Facts
January 18, 2011, 12:00am PST
This paper complements the cross-country approach by examining the correlates of GDP per capita growth acceleration around "Significant" public expenditure episodes by reorganizing the data around...
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Can Domestic Debt Contribute To The Financing Of The "Millennium Development Goals" ? The Case Of The West African Economic And Monetary Union (WAEMU)
January 18, 2011, 12:00am PST
Developing countries are being urged to extent public spending to reach The Millennium Development Goals (MDGs). Following a series of debt cancellations, the public debt of many developing...
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Aid, Volatility And Growth, With Special Reference To Africa
January 18, 2011, 12:00am PST
In two previous papers the authors have argued that aid is likely to mitigate the negative effects of external shocks on economic growth (i.e. that aid is more effective in countries which are...
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Financial Development, Economic Efficiency And Productivity Growth: Evidence From China
February 3, 2011, 12:00am PST
Financial development may lead to productivity improvement in developing countries. In this paper, based on the Data Envelopment Analysis (DEA) approach, the authors use the Malmquist index to...
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Sustainable Supply Chain Management In City Logistics Solutions: An Experience~s Comeback From Cityporto Padua (Italy)
December 16, 2009, 12:00am PST
The sustainable logistics and transportation studies constitute a primordial research axis in the enterprises' governance. In the last years, many reflections and developments in logistics...
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Employment And Productivity: Disentangling Employment Structure And Qualification Effects
March 26, 2010, 12:00am PDT
This paper studies the effect of changes in the employment rate on labour productivity per hour, taking an empirical approach. By splitting the workforce into three qualification categories, this...
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Trade Liberalization, Competition And Growth
April 13, 2010, 12:00am PDT
For a few decades, a growing literature has examined the role of water resources in interstate conflicts. In line with this literature, this study analyzes the risk of a conflict between countries...
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Capital Requirements For Operational Risk: An Incentive Approach
July 20, 2010, 12:00am PDT
This paper proposes a simple continuous time model to analyze capital charges for operational risk. The authors find that undercapitalized banks have fewer incentives to reduce their operational...
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Moral Hazard And Risk-Sharing: Risk-Taking As An Incentive Tool
August 31, 2010, 12:00am PDT
The authors examine how moral hazard impacts risk-sharing when risk-taking can be part of the mechanism design. In a two-agent model with binary e ort, they show that moral hazard always increases...
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Is History A Blessing Or A Curse? International Borrowing Without Commitment, Leapfrogging And Growth Reversals
November 2, 2010, 12:00am PDT
The authors develop a simple open-economy AK model with collateral constraints that accounts for growth-reversal episodes, during which countries face abrupt changes in their growth rate that lead...
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Testing The Finance-Growth Link: Is There A Difference Between Developed And Developing Countries?
December 15, 2010, 12:00am PST
The authors revisit the evidence of the existence of a long -run link between financial intermediation and economic growth, by testing of co-integration between the growth rate of real GDP,...
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Does A Banking Relationship Help A Firm On The Syndicated Loans Market In A Time Of Financial Crisis?
November 22, 2010, 12:00am PST
The volume of credit granted in the form of syndicated loans saw a marked downturn in 2008. This paper seeks to understand how certain firms were nonetheless able to benefit from larger facilities...
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Get Paid More, Work More? Lessons From French Physicians~ Labour Supply Responses To Hypothetic Fee Increases
December 7, 2010, 12:00am PST
This paper is devoted to the analysis of the General Practitioners' (GPs) labour supply, specifically focusing on the physicians' labour supply responses to higher compensations. This analysis is...
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Coopetition In A Mixed Oligopoly Market
February 22, 2008, 12:00am PST
In this paper, the authors aim to investigate the impact of privatization on the degree of cooperation and competition in a mixed oligopoly market. They consider a duopoly market that comprises...
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Financial Development And Instability: The Role Of The Labour Share
January 16, 2009, 12:00am PST
This paper examines the role of the labour share in creating instability in a small open economy. The authors assume that financial markets are imperfect so that entrepreneurs are credit...
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International Competition, Returns To Skill And Labor Market Adjustment
March 6, 2008, 12:00am PST
This paper examines whether increased import competition induces domestic workers to skill upgrade and/or switch industries. The analysis makes use of a large unique longitudinal matched...
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Internal Finance And Growth: Microeconometric Evidence On Chinese Firms
November 17, 2008, 12:00am PST
Does the availability of internal finance constrain firm growth? Or does it foster it? To answer these questions, the authors use a panel of 407,096 Chinese firms over the period 2000-2005. They...
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Reciprocity, Culture, And Human Cooperation: Previous Insights And A New Cross-Cultural Experiment
March 1, 2009, 12:00am PST
Understanding the proximate and ultimate sources of human cooperation is a fundamental issue in all behavioural sciences. In this paper the authors review the experimental evidence on how people...
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Who Makes A Good Leader? Social Preferences And Leading-By-Example
December 1, 2008, 12:00am PST
The authors examine the effects of social preferences and beliefs about the social preferences of others in a simple leader-follower voluntary contributions game. They find that groups perform...
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Characterization Of Pure Strategy Equilibria In Uniform Price IPO Auctions
February 1, 2009, 12:00am PST
The authors characterize pure strategy equilibria of common value multi-unit uniform price auctions under the framework of initial public offerings, where bidders have incomplete private...
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Who Makes A Good Leader? Cooperativeness, Optimism And Leading-By-Example
October 6, 2009, 12:00am PDT
The authors examine the characteristics of effective leaders in a simple leader-follower voluntary contributions game. They focus on two factors: the individual's cooperativeness and the...
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Culture And Cooperation
May 1, 2010, 12:00am PDT
Does the cultural background influence the success with which genetically unrelated individuals cooperate in social dilemma situations? In this paper the authors provide an answer by analyzing the...
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Are Smarter People Really Less Risk Averse?
October 1, 2010, 12:00am PDT
Using hypothetical lottery choices to measure risk preferences, Frederick (2005) finds that higher cognitive ability is associated with less risk aversion. This paper documents, however, that when...
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Individual-Level Loss Aversion In Riskless And Risky Choices
November 16, 2010, 12:00am PST
Loss aversion can occur in riskless and risky choices. Yet, there is no evidence whether people who are loss averse in riskless choices are also loss averse in risky choices. The authors measure...
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Common Reasoning In Games: A Lewisian Analysis Of Common Knowledge Of Rationality
January 14, 2011, 12:00am PST
The game-theoretic assumption of 'Common knowledge of rationality' leads to paradoxes when rationality is represented in a Bayesian framework as Cautious Expected Utility maximisation with...
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White Papers
Unclouded Vision
October 22, 2010, 12:00am PDT
Current opinion and debate surrounding the capabilities and use of the Cloud is particularly strident. By contrast, the academic community has long pursued completely decentralised approaches to...
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Sociology, Structuration, And Understanding Business Networks
August 27, 2010, 12:00am PDT
The purpose of this paper is to examine how one of the most cited theories in sociology, Structuration Theory, may help inform the understanding of business networks and how they function....
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Whitepapers
Formal Verification of Embedded Software Based on Software Compliance Properties and Explicit Use of Time
July 1, 2011, 12:00am PDT
The complexity of embedded software running in modern distributed large-scale systems is going so high that it becomes hardly manageable by humans. Formal methods and the supporting tools are...
Provided by University of Nottingham
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The Perspectives of the Amateur University Networks - AMUNETs
June 1, 2008, 12:00am PDT
In this paper, the authors discusses results of the recent experiments, which intention was to test security in accessing e-mail servers and radio relay systems within the amateur radio digital...
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On the Optimized Patent-Free LDPC Code Design for Content Distribution Systems
August 3, 2007, 12:00am PDT
In this paper, the authors analyze the application of asymptotic and finite-length analysis and design of Low-Density Parity Check (LDPC) codes for the large scale content distribution systems...
Provided by University of Nottingham
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Low-Complexity List-Based Frame Synchronization for LDPC Coded Transmission
February 26, 2009, 12:00am PST
In this paper, the authors propose a simple and efficient two-stage list synchronizer for frame synchronization of Low-Density Parity-Check (LDPC) coded data transmitted over the Additive White...
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Whitepapers
Sparse-Graph AL-FEC Solutions for IP Datacasting in DVB-H
April 7, 2009, 12:00am PDT
DVB-H is an IP-based wireless broadcast technology in which users are offered, among other services, the IP DataCast (IPDC) service for downloading broadcasted files to their mobile terminals. In...
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Raptor Packets: A Packet-Centric Approach to Distributed Raptor Code Design
May 3, 2009, 12:00am PDT
In this paper, the authors address the problem of distributed Raptor code design over information packets located across the network nodes. They propose a novel approach to this problem that...
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Blind Time-Period Synchronization for LDPC Convolutionally Coded Transmission
May 29, 2009, 12:00am PDT
In this paper, the authors propose a scheme for blind time-period synchronization of Low-Density Parity-Check Convolutional Codes (LDPC CC) over the AWGN channel. Reliable time-period...
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On Distributed LDGM and LDPC Code Design for Networked Systems
August 7, 2009, 12:00am PDT
Recent advances in modern coding theory resulted in a number of different ensembles of error-correcting codes with capacity-approaching performance and linear encoding/decoding complexity. Codes...
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On Energy Efficiency of Rateless Packet Scheme for Distributed Data Storage in Wireless Sensor Networks
October 16, 2009, 12:00am PDT
Distributed encoding of WSN generated data based on network and fountain coding principles has attracted considerable attention lately. The proposed solutions offer low-complexity distributed data...
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Scalable Video Multicast Using Expanding Window Fountain Codes
March 9, 2009, 12:00am PDT
Fountain codes were introduced as an efficient and universal Forward Error Correction (FEC) solution for data multicast over lossy packet networks. They have recently been proposed for large scale...
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Performance Analysis and Energy Efficiency of Random Network Coding in LTE-Advanced
October 2, 2012, 12:00am PDT
Recent trends witness the shift of the 3GPP Long Term Evolution - Advanced (LTE-A) Radio Access Network (RAN) architecture from traditional a macro-cellular layout towards smaller base stations...
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Unequal Error Protection Random Linear Coding Strategies for Erasure Channels
January 18, 2012, 12:00am PST
In this paper, the authors provide the performance analysis of Unequal Error Protection (UEP) Random Linear Coding (RLC) strategies designed for transmission of source messages containing packets...
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Representing Contractive Functions on Streams
October 3, 2011, 12:00am PDT
Streams, or infinite lists, have many applications in functional programming, and are naturally defined using recursive equations. But how do the user ensure that such equations make sense, i.e.,...
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Erasure Coding With Replication to Defend Against Malicious Attacks in DTN
August 20, 2011, 12:00am PDT
Privacy and security in Delay-Tolerant Networks (DTNs) have been an active research topic in the recent years, especially, as people can be involved in these networks and use their mobile devices...
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Utilizing Social Links for Location Privacy in Opportunistic Delay-Tolerant Networks
February 3, 2012, 12:00am PST
This paper is concerned with improving location-privacy for users accessing location-based services in opportunistic DTNs. The authors design a protocol that offers location privacy through...
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Congestion Aware Data Dissemination in Social Opportunistic Networks
January 4, 2011, 12:00am PST
This paper describes the design, development and evaluation an interest driven overlay on the top of the authors' Congestion Aware Forwarding protocol (CAFe) for social opportunistic networks....
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A Fuzzy Toolbox for the R Programming Language
April 8, 2011, 12:00am PDT
In this paper, the authors describe the main functionality of an initial version of a new fuzzy logic software toolkit based on the R language. The toolkit supports the implementation of several...
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Towards Modular Compilers for Effects
September 28, 2011, 12:00am PDT
Compilers are traditionally factorised into a number of separate phases, such as parsing, type checking, code generation, etc. However, there is another potential factorisation that has received...
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Tabu Assisted Guided Local Search Approaches for Freight Service Network Design
October 12, 2011, 12:00am PDT
The Service Network Design Problem (SNDP) is a core problem in freight transportation. It involves the determination of the most cost-effective transportation network and the characteristics of...
Provided by University of Nottingham
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Decongesting Opportunistic Social-Based Forwarding
December 13, 2009, 12:00am PST
Social network based forwarding algorithms for opportunistic networks, such as Pocket Switched Networks, are primarily concerned with throughput and efficiency. In this paper, the authors seek to...
Provided by University of Nottingham
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Routing in Wireless Networks of Varying Connectivity
May 20, 2009, 12:00am PDT
The authors are concerned with routing data in networks where the topology ranges from dense to sparse and mostly connected to mostly disconnected. Connection orientated routing algorithms...
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Reputation-Based Security Protocol for MANETs in Highly Mobile Disconnection-Prone Environments
March 3, 2010, 12:00am PST
This paper is concerned with fully distributed reputation-based mechanisms that improve security in MANETS. The authors introduce a number of optimisations to the current reputation schemes used...
Provided by University of Nottingham
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Promoting Congestion Control in Opportunistic Networks
August 13, 2010, 12:00am PDT
This paper is concerned with congestion aware forwarding algorithms within opportunistic networks. The authors remove the reoccurring assumption of unlimited storage, and make it evident that...
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Congestion Aware Forwarding in Delay Tolerant and Social Opportunistic Networks
September 2, 2010, 12:00am PDT
The authors propose an approach for opportunistic forwarding that supports optimization of multipoint high volume data flow transfer while maintaining high buffer availability and low delays. This...
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Framework for Utility Driven Congestion Control in Delay Tolerant Opportunistic Networks
December 12, 2010, 12:00am PST
Detecting and dealing with congestion in delay tolerant opportunistic networks is an important and challenging problem. In this paper, the authors describe CAFREP, a unified congestion control...
Provided by University of Nottingham
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Innovation in Mobile Learning: A European Perspective
August 20, 2008, 12:00am PDT
In the evolving landscape of mobile learning, European researchers have conducted significant mobile learning projects, representing a distinct perspective on mobile learning research and...
Provided by University of Nottingham
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Unleashing the Power of Mobile Cloud Computing Using ThinkAir
May 16, 2011, 12:00am PDT
Smartphones have exploded in popularity in recent years, becoming ever more sophisticated and capable. As a result, developers worldwide are building increasingly complex applications that require...
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The Dataware Manifesto
December 6, 2010, 12:00am PST
In this paper, the authors concern themselves with Service-Oriented Architectures (SOA) in the "Business To Consumer" (B2C) arena. In particular they consider the services required to enable...
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The Resource Curse And Fiscal Policy Volatility
January 24, 2009, 12:00am PST
Using data from 1980 to 2004, the authors show that greater fiscal policy volatility acts as a transmission mechanism for the 'Resource curse'. Resource exports dominate political and...
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The Effect Of Monetary Policy On Investors - Risk Perception: Evidence From The UK And Germany
May 6, 2011, 12:00am PDT
The authors use vector autoregressive models to estimate the effect of monetary policy on investors' risk aversion. The latter is proxied by a variety of option based implied volatility indices...
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Financial Constraints To The Investment Of Chinese Listed Firms Across Firm Characteristics
December 1, 2008, 12:00am PST
This paper uses a panel of 815 Chinese listed firms from the period of 1998 to 2004 to study how the investment cash flow sensitivity differs across firms with and without state ownership, and...
Provided by University of Nottingham
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Dealing With The Global Crisis: China Among Protectionism And Containment
June 1, 2010, 12:00am PDT
In a world experiencing the most severe recession of the postwar period, with a 9% decline in 2009 global trade, China, the second-largest world exporter, has been heavily hit like the whole of...
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Conditionality And Fragility In Long-Term Financial Contracts
February 27, 2008, 12:00am PST
Lenders condition future loans on some index of past performance. Typically, banks condition future loans on repayments of earlier obligations while international organizations condition future...
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Multinationals, Access To Finance And The Exports Of Private Firms In China
February 19, 2008, 12:00am PST
Using a rich panel data set, the authors provide a rigorous analysis of the relationship between access to external finance, foreign direct investment and the exports of private enterprises in...
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Does The Source Of Finance Matter For Firm Growth? Evidence From China
July 1, 2007, 12:00am PDT
Using a comprehensive micro dataset spanning the period 1998-2005, this paper provides a systematic investigation of the relationship between financial structure and firm growth in China,...
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The Role Of Bond Finance In Firms' Survival During The Asian Crisis
December 1, 2009, 12:00am PST
In this paper, the authors assess the effects of bond financing on firms' survival during the 1997-98 Asian crisis. Using a novel database covering the period 1995 to 2007 for five Asian economies...
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Business Perceptions, Fiscal Policy And Growth
December 23, 2008, 12:00am PST
This paper develops endogenous growth models in which the government uses income taxation to finance different types of public services, public investment, or both. The paper then assesses the...
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Growth And Welfare Maximization In Models Of Public Finance And Endogenous Growth
December 23, 2008, 12:00am PST
This paper evaluates the trade-off between growth and welfare maximization from two perspectives. Firstly, it synthesizes and extends endogenous growth models with public finance to compare the...
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Offshoring And Growth With Two Factors
September 6, 2010, 12:00am PDT
Offshoring has received a lot of attention lately. However, the debate is largely confined to the static effects. This paper shows that there are important implications of offshoring on the growth...
Provided by University of Nottingham
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International School Test Scores And Economic Growth
May 20, 2008, 12:00am PDT
The authors expand Hanushek and Kimko's (2000) analysis of the relationship between schooling quality, as measured by scores in international tests, and growth. They take account of another...
Provided by University of Nottingham
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