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A growing number of people are working as part of on-line crowd work, which has been characterized by its low wages; yet, we know little about wage distribution and causes of low/high earnings. We recorded 2,676 workers performing 3.8…

Computers and Society · Computer Science 2017-12-29 Kotaro Hara , Abi Adams , Kristy Milland , Saiph Savage , Chris Callison-Burch , Jeffrey Bigham

Digital workers on crowdsourcing platforms (e.g., Amazon Mechanical Turk, Appen, Clickworker, Prolific) play a crucial role in training and improving AI systems, yet they often face low pay, unfair conditions, and a lack of recognition for…

Human-Computer Interaction · Computer Science 2025-06-16 ATM Mizanur Rahman , Sharifa Sultana

Online labor markets give people in poor countries direct access to buyers in rich countries. Economic theory and empirical evidence strongly suggest that this kind of access improves human welfare. However, critics claim that abuses are…

Computers and Society · Computer Science 2010-01-11 John Horton

Although freelancing work has grown substantially in recent years, in part facilitated by a number of online labor marketplaces, (e.g., Guru, Freelancer, Amazon Mechanical Turk), traditional forms of "in-sourcing" work continue being the…

Optimization and Control · Mathematics 2020-02-19 Aris Anagnostopoulos , Carlos Castillo , Adriano Fazzone , Stefano Leonardi , Evimaria Terzi

Existing literature predominantly focuses on how freelancers individually complete tasks and projects. Our study examines freelancers' willingness to work collaboratively. We report results from a survey of 122 freelancers on a leading…

Human-Computer Interaction · Computer Science 2024-11-13 Zachary Fulker , Christoph Riedl

As freelancing work keeps on growing almost everywhere due to a sharp decrease in communication costs and to the widespread of Internet-based labour marketplaces (e.g., guru.com, feelancer.com, mturk.com, upwork.com), many researchers and…

Computers and Society · Computer Science 2020-02-27 Giorgio Barnabò , Adriano Fazzone , Stefano Leonardi , Chris Schwiegelshohn

The Online Labour Index (OLI) was launched in 2016 to measure the global utilisation of online freelance work at scale. Five years after its creation, the OLI has become a point of reference for scholars and policy experts investigating the…

General Economics · Economics 2021-06-22 Fabian Stephany , Otto Kässi , Uma Rani , Vili Lehdonvirta

We focus on occupational diversity in platform-mediated work to advance conceptual and empirical insight into the occupationally embedded nature of platform labor. We pursue this focus in response to a prevailing tendency to treat platform…

Human-Computer Interaction · Computer Science 2026-04-07 Pyeonghwa Kim , Taylor Lewandowski , Michael Dunn , Steve Sawyer

Crowdsourcing markets provide workers with a centralized place to find paid work. What may not be obvious at first glance is that, in addition to the work they do for pay, crowd workers also have to shoulder a variety of unpaid invisible…

Human-Computer Interaction · Computer Science 2021-10-04 Carlos Toxtli , Siddharth Suri , Saiph Savage

We advance gender-inclusive research within the CSCW field by investigating the long-term gendered experiences of online freelancers on digital labor platforms. The prevalence of gender-based inequalities has attracted significant attention…

Human-Computer Interaction · Computer Science 2025-08-12 Pyeonghwa Kim , Steve Sawyer , Michael Dunn

Workers in crowd markets struggle to earn a living. One reason for this is that it is difficult for workers to accurately gauge the hourly wages of microtasks, and they consequently end up performing labor with little pay. In general,…

Human-Computer Interaction · Computer Science 2019-03-19 Susumu Saito , Chun-Wei Chiang , Saiph Savage , Teppei Nakano , Tetsunori Kobayashi , Jeffrey Bigham

Microwork platforms allocate fragmented tasks to crowds of providers with remunerations as low as few cents. Instrumental to the development of today's artificial intelligence, these micro-tasks push to the extreme the logic of…

General Economics · Economics 2019-01-15 Clément Le Ludec , Paola Tubaro , Antonio A. Casilli

We contribute empirical and conceptual insights regarding the roles of digital labor platforms in online freelancing, focusing attention to social identities such as gender, race, ethnicity, and occupation. Findings highlight how digital…

Human-Computer Interaction · Computer Science 2023-10-02 Isabel Munoz , Pyeonghwa Kim , Clea O'Neil , Michael Dunn , Steve Sawyer

What does work and career success mean for those who secure their work using digital labor platforms? Traditional research on success predominantly relies on organizationally-centric benchmarks, such as promotions and income. These measures…

Human-Computer Interaction · Computer Science 2024-11-26 Pyeonghwa Kim , Charis Asante-Agyei , Isabel Munoz , Michael Dunn , Steve Sawyer

The data-driven economy has led to a significant shortage of data scientists. To address this shortage, this study explores the prospects of outsourcing data analysis tasks to freelancers available on online labor markets (OLMs) by…

Computers and Society · Computer Science 2017-07-07 Michael Feldman , Frida Juldaschewa , Abraham Bernstein

The report highlights the role of Egyptian data workers in the global value chains of Artificial Intelligence (AI). These workers generate and annotate data for machine learning, check outputs, and they connect with overseas AI producers…

Computers and Society · Computer Science 2026-01-14 Myriam Raymond , Lucy Neveux , Antonio A. Casilli , Paola Tubaro

Crowdsourcing of jobs to online freelance markets is rapidly gaining popularity. Most crowdsourcing platforms are uncontrolled and offer freedom to customers and freelancers to choose each other. This works well for unskilled jobs (e.g.,…

Multiagent Systems · Computer Science 2016-01-19 Avhishek Chatterjee , Lav R. Varshney , Sriram Vishwanath

This work examines the economic benefits of learning a new skill from a different domain: cross-skilling. To assess this, a network of skills from the job profiles of 14,790 online freelancers is constructed. Based on this skill network,…

General Economics · Economics 2021-02-11 Fabian Stephany

While Amazon's Mechanical Turk (AMT) helped launch the paid crowd work industry eight years ago, many new vendors now offer a range of alternative models. Despite this, little crowd work research has explored other platforms. Such…

Computers and Society · Computer Science 2013-10-08 Donna Vakharia , Matthew Lease

Content moderation and data annotation work has shifted to the Global South, particularly Africa, where workers at business process outsourcing (BPO) companies operate under precarity to serve Global North needs. We address the invisibility…

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