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Purdue University
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White Papers
Mobile Phone Forensics Tool Testing: A Database Driven Approach
November 7, 2007, 12:00am PST
The Daubert process used in the admissibility of evidence contains major guidelines applied in assessing forensic procedures, two of which are testing and error rates. The Digital Forensic Science...
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White Papers
On the Pitfalls of High-Throughput Multicast Metrics in Adversarial Wireless Mesh Networks
April 4, 2008, 12:00am PDT
Recent work in multicast routing for wireless mesh networks has focused on metrics that estimate link quality to maximize throughput. Nodes must collaborate in order to compute the path metric and...
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White Papers
Energy-Efficient Distributed Minimum Spanning Tree Construction: Tight Bounds and Algorithms
April 4, 2008, 12:00am PDT
Traditionally, the performance of distributed algorithms has been measured in terms of running time and message complexity. However, in many settings, a more accurate and relevant measure of...
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White Papers
Efficient Use of Memory Bandwidth to Improve Network Processor Throughput
January 1, 2008, 12:00am PST
This paper considers the efficiency of packet buffers used in packet switches built using Network Processors (NPs). Packet buffers are typically implemented using DRAM, which provides plentiful...
Provided by Purdue University (Krannert)
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White Papers
A Low-Complexity Congestion Control and Scheduling Algorithm for Multihop Wireless Networks With Order-Optimal Per-Flow Delay
August 1, 2010, 12:00am PDT
The joint congestion control and scheduling problem in multi-hop wireless networks has been extensively studied in the literature. Often, each user is associated with a non-decreasing and concave...
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White Papers
Design of High Throughput Scheduled Mesh Networks: A Case for Directional Antennas
August 7, 2007, 12:00am PDT
Scheduled Wireless Mesh Networks (WMNs) represent an important paradigm in the development of high speed wireless access networks. As a consequence of, it can be shown that the maximum throughput...
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White Papers
Indexing Probabilistic Nearest-Neighbor Threshold Queries
July 13, 2008, 12:00am PDT
Data uncertainty is inherent in many applications, including sensor networks, scientific data management, data integration, location-based applications, etc. One of common queries for uncertain...
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White Papers
Continuous Query Processing of Spatio-Temporal Data Streams in PLACE
January 1, 2011, 12:00am PST
The tremendous increase in the use of cellular phones, GPS-like devices, and RFIDs results in highly dynamic environments where objects as well as queries are continuously moving. In this paper,...
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White Papers
On the Cost of Network Inference Mechanisms
January 1, 2012, 12:00am PST
An important class of network inference mechanisms estimate the properties (e.g., delay or loss) of a large number of end-to-end network paths by measuring some subset thereof. This class of...
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White Papers
Constructing Maximum-Lifetime Data Gathering Forests in Sensor Networks
January 1, 2012, 12:00am PST
Energy efficiency is critical for wireless sensor networks. The data gathering process must be carefully designed to conserve energy and extend network lifetime. For applications where each sensor...
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White Papers
Synergy: An Overlay Internetworking Architecture and Implementation
January 1, 2012, 12:00am PST
A multitude of overlay network designs for resilient routing, multicasting, quality of service, content distribution, storage, and object location have been proposed. Overlay networks offer...
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White Papers
BGP Molecules: Understanding and Predicting Prefix Failures
January 15, 2011, 12:00am PST
The Border Gateway Protocol (BGP), the de-facto Internet interdomain routing protocol, disseminates information about Internet prefixes to Autonomous Systems (ASes). Prefixes are announced and...
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White Papers
Omnify: Investigating the Visibility and Effectiveness of Copyright Monitors
December 29, 2010, 12:00am PST
The arms race between copyright agencies and P2P users is an ongoing and evolving struggle. On the one hand, content providers are using several techniques to stealthily find unauthorized...
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White Papers
Distributed Partial Inference Under Churn
March 7, 2010, 12:00am PST
In this paper, the authors tackle the problem of identifying nodes suitable for participating in inference in the context of a measurement service. They design a simple algorithm, k-Core, to...
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White Papers
On the Impact of Filters on Analyzing Prefix Reachability in the Internet
January 1, 2012, 12:00am PST
The reachability of IP address prefixes exhibits significant fluctuations due to changes in both physical connectivity and ISP routing policies. In the late 1990s, Labovitz et al. performed an...
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White Papers
On the Utility of Inference Mechanisms
January 1, 2011, 12:00am PST
An important class of network inference mechanisms estimate the properties (e.g., delay or loss) of a large number of end-to-end network paths by measuring some subset thereof. This class of...
Provided by Purdue University
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White Papers
On the Construction of a Maximum-Lifetime Data Gathering Tree in Sensor Networks: NP-Completeness and Approximation Algorithm
January 1, 2011, 12:00am PST
Energy efficiency is critical for wireless sensor networks. The data gathering process must be carefully designed to conserve energy and extend the network lifetime. For applications where each...
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White Papers
Partitioning Network Testbed Experiments
March 8, 2011, 12:00am PST
Understanding the behavior of large-scale systems is challenging, but essential when designing new Internet protocols and applications. It is often infeasible or undesirable to conduct experiments...
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White Papers
Energy Efficient Sleep/Wake Scheduling for Multi-Hop Sensor Networks: Non-Convexity and Approximation Algorithm
January 1, 2011, 12:00am PST
The authors study sleep/wake scheduling for low duty cycle sensor networks. Their work is different from prior work in that they explicitly consider the effect of synchronization error in the...
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White Papers
Impact of the Inaccuracy of Distance Prediction Algorithms on Internet Applications - An Analytical and Comparative Study
January 1, 2011, 12:00am PST
In this paper, the authors have considered Internet distance prediction from an application's perspective. They have studied the impact of the inaccuracy of distance prediction algorithms on...
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White Papers
Enabling Flow-Level Latency Measurements Across Routers in Data Centers
May 10, 2011, 12:00am PDT
Detecting and localizing latency-related problems at router and switch levels is an important task to network operators as latency-critical applications in a data center network become popular....
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White Papers
Two Samples are Enough: Opportunistic Flow-level Latency Estimation Using NetFlow
December 22, 2009, 12:00am PST
The inherent support in routers (SNMP counters or NetFlow) is not sufficient to diagnose performance problems in IP networks, especially for flow-specific problems where the aggregate behavior...
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White Papers
Scheduling in MapReduce-Like Systems for Fast Completion Time
January 15, 2011, 12:00am PST
Large-scale data processing needs of enterprises today are primarily met with distributed and parallel computing in data centers. MapReduce has emerged as an important programming model for these...
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White Papers
AjaxTracker: Active Measurement System for High-Fidelity Characterization of AJAX Applications
May 13, 2010, 12:00am PDT
Cloud-based Web applications powered by new technologies such as Asynchronous Javascript and XML (Ajax) place a significant burden on network operators and enterprises to effectively manage...
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White Papers
dFault: Fault Localization in Large-Scale Peer-to-Peer Systems
September 6, 2010, 12:00am PDT
Distributed Hash Tables (DHTs) have been adopted as a building block for large-scale distributed systems. The upshot of this success is that their robust operation is even more important as...
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White Papers
Shedding Light on Enterprise Network Failures Using Spotlight
August 14, 2010, 12:00am PDT
Fault localization in enterprise networks is extremely challenging. A recent approach called Sherlock makes some headway into this problem by using an inference algorithm over a multi-tier...
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White Papers
RelSamp: Preserving Application Structure in Sampled Flow Measurements
January 15, 2011, 12:00am PST
The Internet has significantly evolved in the number and variety of applications. Network operators need mechanisms to constantly monitor and study these applications. Given modern applications...
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White Papers
STAMP: Toward Reclaiming Email Address Privacy
April 7, 2008, 12:00am PDT
Email has grown into one of the dominant forms of communication in the 21st century. However, email systems were designed without security in mind, thus allowing attackers to abuse the system and...
Provided by Purdue University
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White Papers
Dissecting Video Server Selection Strategies in the YouTube CDN
March 12, 2011, 12:00am PST
In this paper, the authors conduct a detailed study of the YouTube CDN with a view to understanding the mechanisms and policies used to determine which data centers users download video from....
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White Papers
Replicating Real-Time Garbage Collector
September 17, 2011, 12:00am PDT
Real-time Java is becoming a viable platform for real-time applications, bringing new challenges to a garbage collector. A real-time collector has to be incremental as not to cause deadline misses...
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White Papers
Collecting Transactional Garbage
May 27, 2011, 12:00am PDT
Transactional memory holds some promise to improve the practice of concurrent programming, but achieving acceptable performance remains an issue for large-scale adoption of the technology....
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White Papers
The Eval That Men Do: A Large-Scale Study of the Use of Eval in JavaScript Applications
April 15, 2011, 12:00am PDT
Transforming text into executable code with a function such as Java-Script's eval endows programmers with the ability to extend applications, at any time, and in almost any way they choose. But,...
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White Papers
A Type System for Data-Centric Synchronization
April 1, 2010, 12:00am PDT
Data-centric synchronization groups fields of objects into atomic sets to indicate they must be updated atomically. Each atomic set has associated units of work, code fragments that preserve the...
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White Papers
One Stack to Run Them All: Reducing Concurrent Analysis to Sequential Analysis Under Priority Scheduling
August 7, 2010, 12:00am PDT
The authors present a reduction from a concurrent real-time program with priority preemptive scheduling to a sequential program that has the same set of behaviors. Whereas many static analyses of...
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White Papers
Scheduling Hard Real-Time Garbage Collection
September 11, 2009, 12:00am PDT
Managed languages such as Java and C# are increasingly being considered for hard real-time applications because of their productivity and software engineering advantages. Automatic memory...
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White Papers
High-Performance Transactional Event Processing
February 3, 2009, 12:00am PST
This paper presents a transactional framework for low-latency, high-performance, concurrent event processing in Java. At the heart of the authors' framework lies Reflexes, a restricted programming...
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White Papers
CDx: A Family of Real-Time Java Benchmarks
June 17, 2009, 12:00am PDT
Driven by the popularity of Java, the availability of development tools, and the wide library support, the Real-Time Specification for Java (RTSJ) is on the rise. It is used in avionics, shipboard...
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White Papers
A Technology Compatibility Kit for Safety Critical Java
August 13, 2009, 12:00am PDT
Safety Critical Java is a specification being built on top a subset of interfaces from the Real-Time Specification for Java. It is designed to ease development and analysis of safety critical...
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White Papers
Encapsulating Objects With Confined Types
January 1, 2011, 12:00am PST
Object-oriented languages provide little support for encapsulating objects. Reference semantics allows objects to escape their defining scope, and the pervasive aliasing that ensues remains a...
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White Papers
On the Effectiveness of Probabilistic Packet Marking for IP Traceback Under Denial of Service Attack
January 1, 2008, 12:00am PST
Effective mitigation of Denial of Service (DoS) attack is a pressing problem on the Internet. In many instances, DoS attacks can be prevented if the spoofed source IP address is traced back to its...
Provided by Purdue University (Krannert)
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White Papers
U-DBMS: A Database System for Managing Constantly-Evolving Data
January 1, 2010, 12:00am PST
In many systems, sensors are used to acquire information from external environments such as temperature, pressure and locations. Due to continuous changes in these values, and limited resources...
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White Papers
A Database-Centric Approach to Enabling EndtoEnd QoS for Multimedia Repositories
January 1, 2010, 12:00am PST
The paper discusses the design and prototype implementation of a QoS aware multimedia database system. Recent research in multimedia databases has devoted little attention to the aspect of the...
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White Papers
QuaSAQ: An Approach to Enabling End-to-End QoS for Multimedia Databases
January 1, 2010, 12:00am PST
The paper discusses the design and prototype implementation of a QoS-aware multimedia database system. Recent research in multimedia databases has devoted little attention to the aspect of the...
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White Papers
Scalable QoS-Aware Disk-Scheduling
January 1, 2010, 12:00am PST
A new Quality of Service (QoS) aware disk scheduling algorithm is presented. It is applicable in environments where data requests arrive with different QoS requirements such as real-time deadline,...
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White Papers
An Optimization Based Approach for QoS Routing in High-Bandwidth Networks
January 1, 2010, 12:00am PST
This paper proposes an optimization based approach for Quality of Service routing in high-bandwidth networks. The authors view a network that employs QoS routing as an entity that distributive...
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White Papers
Implementing Educational Technology in Higher Education: A Strategic Approach
July 1, 2008, 12:00am PDT
Although the move toward implementing technology in higher education is driven by an increasing number of competitors as well as student demand, there is still considerable resistance to embracing...
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White Papers
Threat Modelling for SQL Servers: Designing a Secure Database in a Web Application
January 1, 2010, 12:00am PST
This paper presents the results from an analysis focusing on security threats that can arise against an SQL server when included in Web application environments. The approach used is based on the...
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White Papers
Implementation of Mobile VoIP Using Wireless Broadband
December 16, 2008, 12:00am PST
Companies and individuals are subscribing to multiple data plans for their mobile accessories and connections. An individual may subscribe to everything from a cell phone plan and data plan to a...
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White Papers
Management Operations Review Team (MORT) Report of the Data Center Tiger Team
December 23, 2009, 12:00am PST
A data center is a facility used to house computer systems with their associated components networking, storage, etc. As technology has become infused in every aspect of campus, data-center...
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White Papers
Verification of Receipts from M-Commerce Transactions on NFC Cellular Phones
May 30, 2008, 12:00am PDT
A main challenge in mobile commerce is to make it possible for users to manage their transaction histories from both online e-commerce transactions and in-person transactions. Such histories are...
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White Papers
Security for Web Services - Standards and Research Issues
January 1, 2010, 12:00am PST
This paper identifies the main security requirements for Web services and it describes how such security requirements are addressed by standards for Web services security recently developed or...
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White Papers
Statistical Analysis and Modeling of Internet VoIP Traffic for Network Engineering
January 28, 2010, 12:00am PST
Network engineering for Quality-of-Service (QoS) of Internet voice communication (VoIP) can benefit substantially from simulation study of the VoIP packet traffic on a network of routers. This...
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White Papers
A Robust Link-Translating Proxy Server Mirroring the Whole Web
January 30, 2009, 12:00am PST
Link-translating proxies are widely used for anonymous browsing, policy circumvention and WebVPN functions. These are implemented by encoding the destination URL in the path of the URL submitted...
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White Papers
AutomaDeD: Automata-Based Debugging for Dissimilar Parallel Tasks
June 8, 2010, 12:00am PDT
Today's largest systems have over 100,000 cores, with million-core systems expected over the next few years. This growing scale makes debugging the applications that run on them a daunting...
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The Semiconductor Simulation Hub: A Network-Based Microelectronics Simulation Laboratory
November 7, 2007, 12:00am PST
This paper reports on the Semiconductor Simulation Hub, a working, network-based virtual laboratory that allows geographically distributed users to share and run existing tools via standard web...
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White Papers
Image-Based Transfer Function Design for Data Exploration in Volume Visualization
January 1, 2010, 12:00am PST
Transfer function design is an integrated component in volume visualization and data exploration. The common trial-and-error approach for transfer function searching is a very difficult and time...
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White Papers
The Wage and Employment Effects of Outsourcing: Evidence From Danish Matched Worker-Firm Data
May 1, 2010, 12:00am PDT
The authors employ a unique matched worker firm dataset from Denmark to measure how importing and exporting shocks affect wages and employment at the firm and worker level. Using information on...
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White Papers
TCP/IP Timing Channels: Theory to Implementation
August 29, 2008, 12:00am PDT
There has been significant recent interest in covert communication using timing channels. In network timing channels, information is leaked by controlling the time between transmissions of...
Provided by Purdue University (Krannert)
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White Papers
In Search Of Attention
June 4, 2009, 12:00am PDT
Turnover, extreme returns, news and advertising expense are indirect proxies of investor attention. In contrast, the authors propose a direct measure of investor demand for attention - active...
Provided by Purdue University (Krannert)
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White Papers
E-coupons Strategy Problems In Location Based Advertisement
December 2, 2008, 12:00am PST
Location Based Advertisement (LBA) is a new contextual marketing tool which enables advertisers to attract customers more effectively than ever, by sending location-aware advertisements, which are...
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White Papers
Entry Into Winner-Take-All And Proportional-Prize Contests: An Experimental Study
April 1, 2010, 12:00am PDT
This experiment compares the performance of two contest designs: a standard winner take-all tournament with a single fixed prize, and a novel proportional-payment design in which that same prize...
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White Papers
Fertility Response To The Tax Treatment Of Children
March 1, 2009, 12:00am PST
One of the most commonly cited studies on the effect of child subsidies on fertility, Whittington, Alm, and Peters (1990), claimed a large positive effect of child tax benefits on fertility using...
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White Papers
Microfoundations For The Linear Demand Product Differentiation Model, With Applications
March 1, 2009, 12:00am PST
This paper shows (1) that the Spence-Dixit-Vives model of linear demand for differentiated varieties is implied if supplies of substitutes reduce individual consumers' reservation prices as...
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White Papers
Wald Tests For Detecting Multiple Structural Changes In Persistence
August 6, 2009, 12:00am PDT
This paper considers the problem of testing for multiple structural changes in the persistence of a univariate time series. The authors propose sup-Wald tests of the null hypothesis that the...
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White Papers
Continuity And Equilibrium Stability
August 1, 2009, 12:00am PDT
This paper discusses the problem of stability of equilibrium points in normal form games in the tremling-hand framework. An equilibrium point is called perfect if it is stable against at least one...
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White Papers
A Refinement Of Perfect Equilibria Based On Substitute Sequences
August 1, 2009, 12:00am PDT
The authors propose an equilibrium refinement of strict perfect equilibrium for the finite normal form games, which is not known in the literature. Okada came up with the idea of strict perfect...
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White Papers
Existance Of Perfect Equilibria: A Direct Proof
October 1, 2009, 12:00am PDT
The authors formulate and prove a modification of Eilenberg-Montgomery fixed-point theorem, which is a generalization of Kakutani's theorem. It enables them to provide a direct proof of the...
Provided by Purdue University (Krannert)
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White Papers
Unit Roots, Level Shifts And Trend Breaks In Per Capita Output: A Robust Evaluation
December 4, 2009, 12:00am PST
Determining whether per capita output can be characterized by a stochastic trend is complicated by the fact that infrequent breaks in trend can bias standard unit root tests towards non-rejection...
Provided by Purdue University (Krannert)
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White Papers
The Alliance Formation Puzzle And Capacity Constraints
April 1, 2008, 12:00am PDT
The formation of an alliance in conflict situations is known to suf-fer from a collective action problem and from the potential of internal conflict. Alliances are very common in many applications...
Provided by Purdue University (Krannert)
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White Papers
Is The 50-State Strategy Optimal?
January 4, 2008, 12:00am PST
In 2005, the Democratic National Committee adopted the 50-state strategy in lieu of the strategy of focusing solely on battleground states. The rationale given for this move is that campaign...
Provided by Purdue University (Krannert)
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White Papers
Costly Buyer Search In Laboratory Markets With Seller Advertising
April 1, 2008, 12:00am PDT
In this laboratory experiment sellers simultaneously post prices and choose whether to advertise. Buyers then decide whether to buy from a seller whose advertisement they have received, or engage...
Provided by Purdue University (Krannert)
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White Papers
Strong Valid Inequalities For Orthogonal Disjunctions And Polynomial Covering Sets
September 1, 2008, 12:00am PDT
In this paper, the authors develop a convexification tool that enables construction of convex hulls for orthogonal disjunctive sets using convex extensions and disjunctive programming techniques....
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White Papers
Testing For Multiple Structural Changes In Cointegrated Regression Models
November 20, 2008, 12:00am PST
This paper considers issues related to testing for multiple structural changes in cointegrated systems. The authors derive the limiting distribution of the Sup-Wald test under mild conditions on...
Provided by Purdue University (Krannert)
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White Papers
Cooperation Among Strangers: An Experiment With Indefinite Interaction
June 1, 2007, 12:00am PDT
The authors study the emergence of norms of cooperation in experimental economies populated by strangers interacting indefinitely and lacking formal enforcement institutions. In all treatments the...
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White Papers
Sharing Risk Efficiently Under Suboptimal Punishments For Defection
August 1, 2007, 12:00am PDT
The paper studies efficient risk sharing under limited enforcement (or "limited commitment") constraints determined by the threat of punishment after misbehavior. As in Kocherlakota (1996), the...
Provided by Purdue University (Krannert)
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White Papers
Price Dynamics In An Exchange Economy
November 1, 2007, 12:00am PDT
The pure exchange model is the foundation of the neoclassical theory of value, yet equilibrium predictions and models of price adjustment for this model remained untested prior to the experiment...
Provided by Purdue University (Krannert)
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White Papers
Inefficient Redistribution And Inefficient Redistributive Politics
November 1, 2007, 12:00am PDT
This paper examines the effect of inefficient redistribution in Myerson's (1993) model of redistributive politics. Regardless of the absolute levels of the efficiency of political parties'...
Provided by Purdue University (Krannert)
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White Papers
Coalitional Colonel Blotto Games With Application To The Economics Of Alliances
November 1, 2007, 12:00am PDT
This paper examines a multi-player and multi-front Colonel Blotto game in which one player, A, simultaneously competes in two disjoint Colonel Blotto games, against two separate opponents, 1 and...
Provided by Purdue University (Krannert)
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White Papers
Participation Input And Participation Equality Within Cross-Cultural Computer Mediated Communication (CMC) Environments
January 1, 2010, 12:00am PST
The current study measured the influence of national culture, anonymity levels, and technological support (CMC and non-CMC) upon participation input and participation equality within and between...
Provided by Purdue University (Krannert)
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White Papers
Participation Equality: Measurement Within Collaborative Electronic Environments- A Three Country Study
January 1, 2010, 12:00am PST
While the engendering of participation equality is generally viewed as a desirable group process attribute, findings from prior empirical research are both inconsistent and inconclusive regarding...
Provided by Purdue University (Krannert)
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