astronomy

Vili Lehdonvirta

Vili Lehdonvirta is a astronomy topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Vili Lehdonvirta rather than just read about it. In short: Vili Lehdonvirta is Professor of Economic Sociology and Digital Social Research at the Oxford Internet Institute, University of Oxford, and Professor of Technology Policy at the Department of Computer Science, Aalto University. He is also a senior research fellow of Jesus College, Oxford, an associate member of the Department of Sociology, Oxford and a former Fellow of the Alan Turing Institute, London.

Key takeaways

Vili Lehdonvirta belongs to astronomy; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Vili Lehdonvirta to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Vili Lehdonvirta from memory before moving on to harder problems.

Reference excerpt

Vili Lehdonvirta is Professor of Economic Sociology and Digital Social Research at the Oxford Internet Institute, University of Oxford, and Professor of Technology Policy at the Department of Computer Science, Aalto University. He is also a senior research fellow of Jesus College, Oxford, an associate member of the Department of Sociology, Oxford and a former Fellow of the Alan Turing Institute, London. Lehdonvirta is an economic sociologist, whose research draws on theories and approaches from economic sociology, new institutional economics, and political science. His research examines the socio-economic and political implications of new digital technologies.

Research Lehdonvirta is one of the world's most cited authors on gig work and the platform economy. He was the principal investigator of iLabour, a major research project on online freelancing and the gig economy, funded by the European Research Council. He is the creator (together with Otto Kässi and Fabian Stephany) of the Online Labour Index, an economic indicator and international reference for the measurement of the global online gig-economy. He also led research projects on online labour markets' effects in rural areas, crowd workers' skill development, and changing online worker livelihoods during the COVID-19 pandemic. Lehdonvirta's research on platforms, marketplaces, and digital commerce is summarised in Cloud Empires: How Digital Platforms Are Overtaking the State and How We Can Regain Control, published by MIT Press and translated to Italian by Einaudi. The book was announced as a finalist for a 2023 PROSE Award by the Association of American Publishers (AAP). Lehdonvirta's earlier research dealt with the history and politics of Bitcoin and blockchain. His research on virtual goods, virtual consumption and digital games is summarised in Virtual Economies: Design and Analysis, co-authored with Edward Castronova, published by MIT Press and translated to Japanese and Chinese. Lehdonvirta's recent research focuses on the geopolitics of digital infrastructures, such as cloud data centres and GPUs.

Policy work Lehdonvirta has advised companies, policy makers, and international organisations in Europe, the United States and Japan. He was a member of the European Commission's Expert Group on the Online Platform Economy, which supports the Commission in monitoring the evolution of the online platform economy for evidence-based and problem-focused policymaking and the High-Level Group on Digital Transmission and EU Labour markets, which provides analysis and advice to the commission, and explores policy options.

Education Lehdonvirta holds a PhD in Economic Sociology from the University of Turku (2009) and a MSc from the Helsinki University of Technology (2005). Previously he worked at the London School of Economics, the University of Tokyo, and the Helsinki Institute for Information Technology. Before his academic career, he worked as a game programmer for Jippii.

Published works

Books Cloud Empires: How digital platforms are overtaking the state and how we can regain control. (2022) ISBN 9780262047227 Virtual Economies: Design and Analysis. (2014), With Edward Castronova ISBN 0262535068

Academic articles Hertog, E., Fukuda, S., Matsukura, R., Nagase, N. & Lehdonvirta, V. (2023) "The future of unpaid work: Estimating the effects of automation on time spent on housework and care work in Japan and the UK". Technological Forecasting and Social Change. Lehdonvirta, V. (2018) "Flexibility in the Gig Economy: Managing Time on Three Online Piecework Platforms". New Technology, Work & Employment: 33 (1) 13–29. Ogembo, D. and Lehdonvirta, V. (2020) "Taxing Earnings from the Platform Economy: An EU Digital Single Window for Income Data?" British Tax Review [2020](1): 82–101. Braesemann, F., Lehdonvirta, V., and Kässi, O. (2020) "ICTs and the Urban-Rural Divide: Can Online Labour Platforms Bridge the Gap?" Information, Communication & Society. Vidan, G. and Lehdonvirta, V. (2019) "Mine the gap: Bitcoin and the maintenance of trustlessness." New Media & Society 21(1): 42–59. Lehdonvirta, V., Kässi, O., Hjorth, I., Barnard, H., and Graham, M. (2019) "The Global Platform Economy: A New Offshoring Institution Enabling Emerging-Economy Microproviders." Journal of Management 45(2): 567-599. Lee, S., and Lehdonvirta, V., (2020) "New Digital Safety Net or Just More ‘Friendfunding’? Institutional Analysis of Medical Crowdfunding in the United States." Information, Communication & Society. Wood, A. J. and Lehdonvirta, V. (2021) "Antagonism beyond employment: how the ‘subordinated agency’ of labour platforms generates conflict in the remote gig economy." Socio-Economic Review. Kässi, O, and V Lehdonvirta. (2022) "Do Microcredentials Help New Workers Enter the Market? Evidence from an Online Labor Platform." Journal of Human Resources.

References

Worked examples

Example 1 — a first encounter with Vili Lehdonvirta

Start with the simplest possible case. Write down what Vili Lehdonvirta claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In astronomy, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Vili Lehdonvirta before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Vili Lehdonvirta ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Vili Lehdonvirta

In research: Vili Lehdonvirta appears in astronomy research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Vili Lehdonvirta in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Vili Lehdonvirta is common in secondary-school and first-year university syllabi. It links to neighbouring topics Academics of the University of Oxford, Economic sociologists, European Research Council grantees, so understanding it makes those chapters shorter.
In everyday life: Look for Vili Lehdonvirta outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Vili Lehdonvirta in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Vili Lehdonvirta means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Vili Lehdonvirta out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Vili Lehdonvirta in simple terms?

Why does Vili Lehdonvirta matter?

Because it connects several astronomy ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Vili Lehdonvirta?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Vili Lehdonvirta.