 Important alert: Jan 27, 2012 1:22:08 PM EDT.
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- We have rolled out another round of enhancements and bug fixes, including: changes to the posting policy, enhancements for on-the-job trials (crowdsouring/trialsourcing) and to the project pages, updates to Skrill payment information and the browse/search worker pages, and various other bug fixes. View the Site Improvements Blog for the complete list of changes.
- UPDATE January 20th on phishing scam: We've received new reports of a second phishing email (claiming to be a prize from vWorker and Julia Robertson). Click here for full information.
- We have published another story in our case study series, provided by employer Marco-Hans Van Der Willik (Zoe-X). Click here to read about his story.
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 Research on vWorker.com
If you have published an academic paper on vWorker.com please send it to us, for inclusion on this page.
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The Sunk Cost Fallacy in Reverse Auctions
By Yu Wu, Stanford University, California;
Hang Ung, Ecole Polytechnique Palaiseau, France;
Christina Aperjis, Hewlett-Packard Laboratories, California.
If you want to win a project, everyone knows you should bid as quickly and
early as possible
to best capture the employers attention...right? Wrong! This study found out that
early bids do not have an advantage, and employers actually tend to pick the
very last bid
more than any other bid placed! This fascinating paper attempts to explain this
counter-intuitive
finding using a model of employer behavior called the "Sunk Cost Fallacy", and is useful
for both workers looking to improve the number of bids they win, and employer
wanting to understand
their own behavior better.
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An Empirical Study of Online Software Outsourcing: Signals Under Different Contract Regimes
By Mingfeng Lin, 2011 Eller College of Management, University of Arizona.
Did you know that ratings matter on some types of projects, but not on others?
Did you realize that the types of things you discuss during bidding can effect whether
you win it or not? Mingfeng Lin of the University of Arizona just completed a comprehensive study on vWorker.com and shares his interesting and sometimes surprising results.
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IT Market Research
Diploma Defense by Bondaryev N. Sergey, Kharkov Karazin University
vWorker data was used as part of a structural analysis to analyze IT market share
of different countries.
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Individual Characteristics and Different Forms of Capital in the
Online Freelance Marketplace
By Martin van Rest, 2010 Master Thesis for Rotterdam School of Management, Erasmus University.
What things give virtual worker's the most return for their time and money?
This paper analyzed several years of vWorker data to provide the answers.
- Is the World Really Flat? A Look at Offshoring in an Online Programming Marketplace
By David Gefen (Drexel University) and Erran Carmel (American University)
In MIS Quarterly 2008, pages 367-384
According to the "flat world" model, employers should always choose the lowest-cost
offshore bidder over a higher-cost domestic bidder. However, this study of
years of vWorker data shows that this is not the case.
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