Authors
![Richard Blundell](/sites/default/files/styles/square_desktop/public/2024-03/Richard%20Blundell%20Head.jpg?itok=ow7e9OkA)
CPP Co-Director
Richard is Co-Director of the Centre for the Microeconomic Analysis of Public Policy (CPP) and Senior Research Fellow at IFS.
![Rachel Cassidy](/sites/default/files/styles/square_desktop/public/2022-08/Rachel_Griffith.jpg?itok=YovGgLq9)
CPP Co-Director, IFS Research Director
Rachel is Research Director and Professor at the University of Manchester. She was made a Dame for services to economic policy and education in 2021.
![Person graphic](/sites/default/files/styles/square_desktop/public/2022-06/IFS-person-graphic.png?itok=hWCtTSrz)
Susanne Prantl
![Philippe Aghion](/sites/default/files/styles/square_desktop/public/2022-06/Philippe_Aghion.jpg?itok=5T5iMNaV)
Research Fellow London School of Economics
Philippe is an IFS Research Fellow, a Professor of Economics at LSE, at the College de France and at INSEAD, and a Fellow at the Econometric Society.
![Person graphic](/sites/default/files/styles/square_desktop/public/2022-06/IFS-person-graphic.png?itok=hWCtTSrz)
Peter Howitt
Journal article details
- Publisher
- MIT Press
- ISSN
- 1542-4766
- Issue
- October 2004
Suggested citation
Aghion, P et al. (2004). 'Entry and productivity growth: evidence from micro-level panel data' (2004)
More from IFS
Understand this issue
![Pound coins and calculator](/sites/default/files/styles/square_desktop/public/2022-09/Pound-coins-and-calculator.jpg?itok=RObU-BMX)
Kwasi Kwarteng homes in on the right problems, but solutions don’t add up
26 September 2022
![Warehouse](/sites/default/files/styles/square_desktop/public/2022-08/Warehouse.jpg?itok=B6dOFz9R)
How do firms impact inequality?
16 June 2022
![Surgery](/sites/default/files/styles/square_desktop/public/2024-02/NHS2.jpg?itok=OQb9UVp8)
The NHS waiting list: when will it come down?
29 February 2024
Policy analysis
![London](/sites/default/files/styles/square_desktop/public/2024-06/London.jpg?itok=zm-17Mfa)
The Conservatives and the Economy, 2010–24
3 June 2024
![London aerial view](/sites/default/files/styles/square_desktop/public/2024-06/London-aerial-view.jpg?itok=PTOLFicL)
A decade and a half of historically poor growth has taken its toll
3 June 2024
![Busy hospital](/sites/default/files/styles/square_desktop/public/2024-05/busy%20hospital%20feature.jpg?itok=XrpWNqyo)
The fiscal implications of public service productivity
30 May 2024
Academic research
![Working paper cover](/sites/default/files/styles/portrait/public/2022-11/WP202249-Firm-heterogeneity-and-the-impact-of-payroll-taxes.jpg?itok=b9SYgzBX)
Firm heterogeneity and the impact of payroll taxes
24 November 2022
![Working paper cover](/sites/default/files/styles/portrait/public/2022-09/WP202239-What-drives-wage-stagnation-monopsony-or-monopoly.jpg?itok=YXNp7JwC)
What drives wage stagnation: monopsony or monopoly?
26 September 2022
![Working paper cover](/sites/default/files/styles/portrait/public/2022-12/WP202255-Job-ladder-human-capital-and-the-cost-of-job-loss.jpg?itok=mkWCGd2w)
Job ladder, human capital, and the cost of job loss
13 December 2022