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Trade Wars: The end of globalisation?
podcast
<p>Rising tariffs and trade wars are reshaping global trade. Is this the end of globalisation—and what does it mean for the UK and the world economy?</p>
4 June 2025
Why is the government reforming health-related benefits?
podcast
<p>We discuss the government's welfare reforms aimed at helping sick and disabled people into work, and what the changes mean for health-related benefits</p>
14 May 2025
What's the future of corporation tax?
podcast
<p><span style="color:black;font-family:"Arial",sans-serif;">Corporation tax was introduced 60 years ago. Despite many predictions of its decline, it is now forecast to raise record amounts. </span></p>
10 April 2025
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CIOT/IFS Debate: What next for international tax co-operation?
event 16 June 2025
<p>At this online event <span style="-webkit-text-stroke-width:0px;background-color:rgb(255, 255, 255);color:rgb(0, 0, 0);display:inline !important;float:none;font-family:"Open Sans", Helvetica, Arial, sans-serif;font-size:16px;font-style:normal;font-variant-caps:normal;font-variant-ligatures:normal;font-weight:400;letter-spacing:normal;orphans:2;text-align:left;text-decoration-color:initial;text-decoration-style:initial;text-decoration-thickness:initial;text-indent:0px;text-transform:none;white-space:normal;widows:2;word-spacing:0px;">an expert panel will debate the future of international tax co-operation.</span></p>
Scaling early childhood development programmes and policies in low- and middle-income countries
conference 24 June 2025
<p><span data-teams="true">Thrive, on behalf of IFS and OPM, is hosting a two-day international interdisciplinary conference.</span></p>
IFS Deaton Review: Inequalities in the 21st Century special session at the RES 2025 Annual Conference
announcement
<p>This year's RES Conference features a special session on the IFS Deaton Review of Inequalities with key IFS contributors to the review.</p>
16 June 2025
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<p>At IFS, we recruit and train top-quality economists and professional support staff. We aim to foster a respectful and inclusive working environment.</p>
20 July 2022
Centre for the Microeconomic Analysis of Public Policy
The Research Centre at the heart of IFS is the CPP.
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Cluster effects and simultaneity in multilevel models

Published on 1 January 1997

This Journal article has been replaced by Cluster effects and simultaneity in multilevel models

Authors

Richard Blundell

Richard Blundell

CPP Co-Director

Richard is Co-Director of the Centre for the Microeconomic Analysis of Public Policy (CPP) and Senior Research Fellow at IFS.

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Frank Windmeijer

Research Fellow University of Bristol