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University of Cambridge
(274 results)-
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The Rationality Of Irrationality For Managers: Returns-Based Beliefs And The Traveller's Dilemma
May 10, 2008, 12:00am PDT
This paper discusses the importance of paradoxes of irrationality for managers by elaborating upon the rational basis for the adoption of non-equilibrium strategies in game theory. It does so by...
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Credit Market Distortions, Asset Prices And Monetary Policy
June 1, 2008, 12:00am PDT
In this paper the authors develop a sticky price DSGE model to study the role of capital market imperfections for monetary policy implementation. Recent empirical and theoretical studies have...
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Long-term Growth And Short-term Volatility: The Labour Market Nexus
July 1, 2008, 12:00am PDT
The authors study the relationship between growth and variability in a DSGE model with nominal rigidities and growth driven by learning-by-doing. They show that this relationship may be positive...
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Cumulative Innovation, Experimentation And The Hold-Up Problem
April 1, 2008, 12:00am PDT
Extending the basic model of two-stage cumulative innovation with asymmetric information to include 'Experimentation' by second-stage firms, the authors find that the costs of a strong (versus...
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Optimal Asset Allocation With Factor Models For Large Portfolios
March 13, 2008, 12:00am PDT
This paper characterizes the asymptotic behaviour, as the number of assets gets arbitrarily large, of the portfolio weights for the class of tangency portfolios belonging to the Markowitz...
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Model Averaging In Risk Management With An Application To Futures Markets
February 1, 2008, 12:00am PST
This paper considers the problem of model uncertainty in the case of multi-asset volatility models and discusses the use of model averaging techniques as a way of dealing with the risk of...
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Horizontal Inequity And Vertical Redistribution With Indirect Taxes: The Greek Case
January 1, 2008, 12:00am PST
Non-uniform indirect taxes treat equals and those unequal differently (horizontal inequity and vertical redistribution). Horizontal inequity is caused by taste differences among similar...
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Modeling The Phillips Curve With Unobserved Components
January 18, 2008, 12:00am PST
The relationship between inflation and the output gap can be modeled simply and effectively by including an unobserved random walk component in the model. The dynamic properties match the stylized...
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Identification Of New Keynesian Phillips Curves From A Global Perspective
January 3, 2008, 12:00am PST
New Keynesian Phillips Curves (NKPC) has been extensively used in the analysis of monetary policy, but yet there are a number of issues of concern about how they are estimated and then related to...
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Institutional Traps And Economic Growth
December 1, 2007, 12:00am PST
This paper's point of departure is that low-quality institutions, concentration of political power, and underdevelopment are persistent over time. Its analytical model views an equal distribution...
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The Devil Is In The Shadow Do Institutions Affect Income And Productivity Or Only Official Income And Official Productivity?
December 1, 2007, 12:00am PST
This paper assesses the relationship between institutions, output, and productivity, when official output is corrected for the size of the shadow economy. The results confirm the usual positive...
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Why Are Market Economies Politically Stable? A Theory Of Capitalist Cohesion
December 1, 2007, 12:00am PST
The present paper documents that political stability is positively associated with the extent of domestic trade. In explaining this regularity, the authors provide a model where political cohesion...
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Risky Choice And Type-uncertainty In "Deal Or No Deal?"
December 4, 2007, 12:00am PST
This paper uses data from the popular television game-show, "Deal or No Deal?" to analyze the way individuals make choices under risk. In a unique approach to the problem, the author presents a...
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Infinite Dimensional VARs And Factor Models
November 19, 2007, 12:00am PST
This paper introduces a novel approach for dealing with the 'Curse of dimensionality' in the case of large linear dynamic systems. Restrictions on the coefficients of an unrestricted VAR are...
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Is Economic Volatility Detrimental To Global Sustainability?
January 26, 2010, 12:00am PST
This paper examines the effects of economic volatility on global sustainability in a dynamic panel data model allowing for error cross section dependence. It finds that output volatility and...
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Colour Invariants for Machine Face Recognition
October 18, 2010, 12:00am PDT
Illumination invariance remains the most researched, yet the most challenging aspect of automatic face recognition. In this paper, the authors investigate the discriminative power of colour-based...
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Configuration and Adaptation of Binary Software Components
February 10, 2009, 12:00am PST
Existing black-box adaptation techniques are insufficiently powerful for a large class of real-world tasks. Meanwhile, white-box techniques are language-specific and overly invasive. The authors...
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Selective Reprogramming of Mobile Sensor Networks Through Social Community Detection
December 11, 2009, 12:00am PST
The authors target application domains where the behavior of animals or humans is monitored using Wireless Sensor Network (WSN) devices. The code on these devices is updated frequently, as...
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Sybil-Resistant DHT Routing
January 1, 2011, 12:00am PST
Distributed Hash Tables (DHTs) are very efficient distributed systems for routing, but at the same time vulnerable to disruptive nodes. Designers of such systems want they used in open networks,...
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Understanding Robustness of Mobile Networks Through Temporal Network Measures
January 14, 2011, 12:00am PST
The application of complex network theory to communication systems has led to several important results. Nonetheless, previous research has often neglected to take into account their temporal...
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Does Fast Growth In India And China Harm U.S. Workers? Insights From Simulation Evidence
December 1, 2008, 12:00am PST
A major political and policy issue today is whether globalisation and rapid economic growth in India and China would have an adverse affect on labour markets in the U.S. and other advanced...
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Stability and Fairness of Explicit Congestion Control With Small Buffers
July 1, 2008, 12:00am PDT
There is currently considerable interest in explicit congestion control protocols, which use a field in each packet to convey relatively precise information on congestion from resources to...
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Robustness of Multipath Routing in 2-D Lattice Networks
August 9, 2010, 12:00am PDT
One of the challenges of wireless networks is to provide a reliable end-to-end path between two end hosts in the face of link and node outages. These can occur due to fluctuations in channel...
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Green Wave Sleep Scheduling: Latency Versus Throughput for Duty Cycling Wireless Networks
August 10, 2010, 12:00am PDT
The authors proposed Green-Wave Sleep-Scheduling (GWSS) - inspired by synchronized traffic lights - for scheduling sleep-wake slots and routing data on duty-cycling wireless ad hoc networks. They...
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White Papers
Dynamic Gateway Assignment to Support Inter-Domain Networking in MANETs
August 5, 2010, 12:00am PDT
Inter-domain networking in MANETs is an important capability for various coalition operations in real life. Current inter-domain networking solutions typically rely on gateways for protocol...
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Towards Understanding the Compound Behaviour of Periodic and Random Mobility on Data Dissemination
May 7, 2010, 12:00am PDT
The underlying fundamental aspect that affects routing and data dissemination in mobile networks is the (communication) contact between nodes. If nodes do not have any contact, then any...
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InterMR: Inter-MANET Routing in Heterogeneous MANETs
August 11, 2010, 12:00am PDT
The advancements of diverse radio technologies and emerging applications have spawned increasing heterogeneity in Mobile Ad hoc NETworks (MANETs). But the collaborative nature of communications...
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Morphogenesis in Computer Networks
March 2, 2010, 12:00am PST
Morphogenesis is the process that gives shapes to organisms from an embryonic stage through a sequence of cell divisions. Starting from a simple embryonic cell, the controlled division and...
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Green Wave: Latency and Capacity-Efficient Sleep Scheduling for Wireless Networks
December 22, 2009, 12:00am PST
Sleep scheduling of wireless transceivers has been established to be critical for the enhancement of operational lifetimes of wireless networks. By carefully designing sleep schedules, this paper...
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Topology-Aware Inter-Domain Routing for Heterogeneous MANETs
July 27, 2009, 12:00am PDT
With ever increasing number of diverse routing protocols proposed to deal with network dynamics in MANETs, the heterogeneity of MANETs has increased dramatically. While many of these proposals...
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SpotME if You Can: Randomized Responses for Location Obfuscation on Mobile Phones
November 23, 2010, 12:00am PST
Nowadays companies increasingly aggregate location data from different sources on the Internet to offer location-based services such as estimating current road traffic conditions, and finding the...
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Energy-Accuracy Trade-Offs in Querying Sensor Data for Continuous Sensing Mobile Systems
July 5, 2010, 12:00am PDT
A large number of context-inference applications run on off-the-shelf smart-phones and infer context from the data acquired by means of the sensors embedded in these devices. The use of efficient...
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Scientific Computing Environments in the Age of Virtualization
December 14, 2009, 12:00am PST
This paper describes Biocep-R, an Open Source platform for the virtualization of Scientific Computing Environments (SCEs) such as R and Scilab. To the authors' knowledge it is the first time that...
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Extending Access Point Connectivity Through Opportunistic Routing in Vehicular Networks
December 21, 2009, 12:00am PST
Nowadays, the navigation systems available on cars are becoming more and more sophisticated. They greatly improve the experience of drivers and passengers by enabling them to receive map and...
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Mobility Models for Systems Evaluation a Survey
June 15, 2008, 12:00am PDT
Mobility models are used to simulate and evaluate the performance of mobile wireless systems and the algorithms and protocols at the basis of them. The definition of realistic mobility models is...
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Writing on the Clean Slate: Implementing a Socially-Aware Protocol in Haggle
April 16, 2008, 12:00am PDT
Developing protocols and applications for opportunistic networking can represent a daunting task given the many aspects that must be taken into consideration, such as intermittent connectivity,...
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Epcast: Controlled Dissemination in Human-Based Wireless Networks Using Epidemic Spreading Models
March 24, 2008, 12:00am PDT
Epidemics-inspired techniques have received huge attention in recent years from the distributed systems and networking communities. These algorithms and protocols rely on probabilistic message...
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Interoperability in a Scripted World: Putting Inheritance & Prototypes Together
October 1, 2010, 12:00am PDT
Scripting languages are used to quickly and easily develop or extend programs. Frequently, these scripted programs are combined with libraries and other programs from conventional languages to...
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Activity Based Sector Synchronisation: Efficient Transfer of Disk-State for WAN Live Migration
May 6, 2011, 12:00am PDT
Live migration of virtual machines is now commonplace but the issue of synchronising storage remains an obstacle to wide-area migration between datacentres. The authors discuss the range of...
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Architecture of a Network Monitor
December 1, 2007, 12:00am PST
This paper describes a system for simultaneously monitoring multiple protocols. It performs full line-rate capture and implements on-line analysis and compression to record interesting data...
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The Case for Abstracting Security Policies
January 1, 2011, 12:00am PST
As Internet connectivity grows executing untrusted code becomes an increasingly serious threat. Public Key Infrastructure (PKI) and digital signatures offer some degree of protection, but are only...
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CIEL: A Universal Execution Engine for Distributed Data-Flow Computing
March 2, 2011, 12:00am PST
This paper introduces CIEL, a universal execution engine for distributed data-flow programs. Like previous execution engines, CIEL masks the complexity of distributed programming. Unlike those...
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Reconfigurable Data Processing for Clouds
March 21, 2011, 12:00am PDT
Reconfigurable computing for some time has had the potential to make a huge impact on mainstream high performance computing. The authors now have very large capacity FPGAs which contain many...
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Anonymity in the Wild: Mixes on Unstructured Networks
June 4, 2007, 12:00am PDT
As decentralized computing scenarios get ever more popular, unstructured topologies are natural candidates to consider running mix networks upon. The authors consider mix network topologies where...
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Abstract Storage Devices
June 19, 2007, 12:00am PDT
A quantum storage device differs radically from a conventional physical storage device. Its state can be set to any value in a certain (infinite) state space, but in general every possible read...
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Large-System Analysis of Multiuser Detection With an Unknown Number of Users: A High-SNR Approach
October 11, 2010, 12:00am PDT
The authors analyze multiuser detection under the assumption that the number of users accessing the channel is unknown by the receiver. In this environment, users' activity must be estimated along...
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Exploiting Temporal Complex Network Metrics in Mobile Malware Containment
December 3, 2010, 12:00am PST
Malicious mobile phone worms spread between devices via short-range Bluetooth contacts, similar to the propagation of human and other biological viruses. Recent work has employed models from...
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Key Distillation and the Secret-Bit Fraction
May 12, 2008, 12:00am PDT
The authors consider distillation of secret bits from partially secret noisy correlations PABE, shared between two honest parties and an eavesdropper. The most studied distillation scenario...
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Capsicum: Practical Capabilities for UNIX
June 2, 2010, 12:00am PDT
Capsicum is a lightweight operating system capability and sandbox framework planned for inclusion in FreeBSD 9. Capsicum extends, rather than replaces, UNIX APIs, providing new kernel primitives...
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Cling: A Memory Allocator to Mitigate Dangling Pointers
June 2, 2010, 12:00am PDT
Use-after-free vulnerabilities exploiting so-called dangling pointers to deallocated objects are just as dangerous as buffer overflows: they may enable arbitrary code execution. Unfortunately,...
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So Near and Yet so Far: Distance-Bounding Attacks in Wireless Networks
January 1, 2011, 12:00am PST
Distance-bounding protocols are specialized authentication protocols that determine an upper bound for the physical distance between two communicating parties. They aim to prevent attackers from...
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Secure Path-Key Revocation for Symmetric Key Pre-Distribution Schemes in Sensor Networks
January 1, 2011, 12:00am PST
Path keys are secrets established between communicating devices that do not share a pre-distributed key. They are required by most key pre-distribution schemes for sensor networks, because...
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Maintaining Database Integrity with Refinement Types
December 16, 2010, 12:00am PST
Given recent advances in automated theorem proving, the authors present a new method for determining whether database transactions preserve integrity constraints. They consider check constraints...
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Rationales And Instruments For Public Innovation Policies
June 5, 2009, 12:00am PDT
Economic interest in innovation policy largely arises from the fundamental importance of innovation to social welfare and from well-known inefficiencies in innovation in a competitive market...
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White Papers
Innovation, Imitation And Open Source
August 1, 2008, 12:00am PDT
An extensive empirical literature indicates that, even without formal intellectual property rights, innovators enjoy a variety of first-mover advantages and that 'imitation' is itself a costly...
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API Attacks
February 27, 2008, 12:00am PST
Interfaces get richer, and dirtier, and nastier, over time. Interface design flaws are widespread, from the world of cryptoprocessors through sundry embedded systems right through to antivirus...
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Banking and Bookkeeping
June 19, 2007, 12:00am PDT
Banking systems include the back-end bookkeeping systems that record customers' account details and transaction processing systems such as cash machine networks and high-value interbank money...
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Key Management for Substations: Symmetric Keys, Public Keys or No Keys?
December 6, 2010, 12:00am PST
In this paper, the authors discuss symmetric-key and public key protocols for key management in electricity transmission and distribution substations - both for communication within substations,...
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Data Privacy and Security for Smart Meters - Response to Ofgem's Consultation
October 28, 2010, 12:00am PDT
This is a response to the consultation on 'Smart Metering Implementation Program: Data Privacy and Security' published by DECC/Ofgem on 27th July, 2010. While the authors commend Ofgem for taking...
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White Papers
Chip and PIN Is Broken
April 7, 2010, 12:00am PDT
EMV is the dominant protocol used for smart card payments worldwide, with over 730 million cards in circulation. Known to bank customers as "Chip and PIN", it is used in Europe; its being...
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Acquisition, Insolvency And Managers In UK Small Companies
September 1, 2008, 12:00am PDT
This paper investigates the determinants of involuntary insolvency and acquisition in UK small and medium-sized companies. Using a competing risks model and data from the survey database of the...
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Globalisation And Wage Differentials: A Spatial Analysis
September 1, 2008, 12:00am PDT
In this paper, the authors assess the Fujita, Krugman and Venables (FKV) nonlinear model of wage differentials. Using a spatial econometric model incorporating a spatial autoregressive error...
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Globalization, Education, And The Topology Of Social Networks
September 17, 2008, 12:00am PDT
The present paper suggests a possible framework to analyze the impact of changes to the economic and social environment on the topology of networks formed. Economic (costs) and social (norms)...
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The Cross-Section Of Output And Inflation In A Dynamic Stochastic General Equilibrium Model With Sticky Prices
November 1, 2008, 12:00am PDT
In a standard dynamic stochastic general equilibrium framework, with sticky prices, the cross sectional distribution of output and inflation across a population of firms is studied. The only form...
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Money, Prices And Liquidity Effects: Separating Demand From Supply
November 1, 2008, 12:00am PDT
In the canonical monetary policy model, money is endogenous to the optimal path for interest rates and output. But when liquidity provision by banks dominates the demand for transactions money...
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The Suspension Of The Gold Standard As Sustainable Monetary Policy
June 29, 2009, 12:00am PDT
This paper models the gold standard as a state contingent commitment technology that is only feasible during peace. Monetary policy during war, when the gold convertibility rule is suspended, can...
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Does Weather Explain The Cost And Quality? An Analysis Of UK Electricity Distribution Companies
December 1, 2008, 12:00am PST
An important issue has been the extent to which such results are influenced by contextual factors. Among these, weather factors are frequently discussed as being important. The authors use Factor...
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Variable Selection And Inference For Multi-Period Forecasting Problems
January 25, 2009, 12:00am PST
This paper conducts a broad-based comparison of iterated and direct multi step forecasting approaches applied to both univariate and multivariate models. Theoretical results and Monte Carlo...
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Corruption, Institutions And Economic Development
April 5, 2009, 12:00am PDT
Many scholarly articles on corruption give the impression that the world is populated by two types of people: the "Sanders" and the "Greasers". The "Sanders" believe that corruption is an obstacle...
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The Revenge Of The Market On The Rentiers: Why Neo-Liberal Reports Of The End Of History Turned Out To Be Premature
June 1, 2009, 12:00am PDT
Starting from the perspective of heterodox Keynesian-Minskyian-Kindlebergian financial economics, this paper begins by highlighting a number of mechanisms that contributed to the current financial...
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Trade And Economic Growth: Historical Evidence
September 1, 2009, 12:00am PDT
Is free trade good for growth? Some of the most disturbing evidence to the contrary comes from a period that is often described as the first era of globalization. Studies of the period 1870-1914...
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Banker Compensation And Confirmation Bias
August 1, 2009, 12:00am PDT
Confirmation bias refers to cognitive errors that bias one towards one's own prior beliefs. A vast empirical literature documents its existence and psychologists identify it as one of the most...
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Consumption, Social Capital, And The "Industrious Revolution" In Early Modern Germany
October 1, 2009, 12:00am PDT
This paper uses evidence from German-speaking central Europe to address open questions about the Consumer and Industrious Revolutions. Did they happen outside the early-developing, North Atlantic...
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Growth, Development And Natural Resources: New Evidence Using A Heterogeneous Panel Analysis
November 4, 2009, 12:00am PST
This paper explores whether natural resource abundance is a curse or a blessing. In order to do so, the authors firstly develop a theory consistent econometric model, in which the authors show...
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UK Retailers And Climate Change: The Role Of Partnership In Climate Strategies
December 1, 2009, 12:00am PST
More and more companies in the UK are developing strategies to address the challenges of climate change. The authors focus on the UK retail sector and explore the role of partnership in shaping...
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Factor Demand Linkages, Technology Shocks And The Business Cycle
January 1, 2010, 12:00am PST
This paper argues that factor demand linkages are crucial in the transmission of both sectoral and aggregate shocks. The authors show this using a panel of highly disaggregated manufacturing...
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Understanding Interactions In Social Networks And Committees
January 1, 2010, 12:00am PST
While much of the literature on cross section dependence has focused mainly on estimation of the regression coefficients in the underlying model, estimation and inferences on the magnitude and...
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Impacts Of Personality On Herding In Financial Decision-Making
January 1, 2010, 12:00am PST
Experimental analyses have identified significant tendencies for individuals to follow herd decisions, a finding which has been explained using Bayesian principles of statistical inference. This...
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White Papers
A Nuclear Future? UK Government Policy And The Role Of The Market?
March 24, 2010, 12:00am PDT
UK energy policy has evolved since the 2002 Energy Review (PIU, 2002) in which Tony Blair introduced the report and noted that "securing cheap, reliable, and sustainable sources of energy has long...
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White Papers
Exploring Ahe Determinants Of "Best Practice" In Network Regulation: The Case Of The Electricity Sector
March 30, 2010, 12:00am PDT
In this paper the authors use a best practice index constructed from the survey responses of regulators in 40 countries to explore the determinants of outcomes in electricity network regulation....
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