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Cookies are a set of data stored on a user’s device when the user browses a web site. The data is in a file containing an ID number, the name of the server which deposited it and, in some cases, an expiry date. We use cookies to record information about your visit, language of preference, and other parameters on the site in order to optimise your next visit and make the site even more useful to you.

To improve your experience, we use cookies to store certain browsing information and provide secure navigation, and to collect statistics with a view to improve the site’s features. For a complete list of the cookies we use, download “Ghostery”, a free plug-in for browsers which can detect, and, in some cases, block cookies.

Ghostery is available here for free:

You can also visit the CNIL web site for instructions on how to configure your browser to manage cookie storage on your device.

In the case of third-party advertising cookies, you can also visit the following site:, offered by digital advertising professionals within the European Digital Advertising Alliance (EDAA). From the site, you can deny or accept the cookies used by advertising professionals who are members.

It is also possible to block certain third-party cookies directly via publishers:

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The following types of cookies may be used on our websites:

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These cookies are needed to ensure the proper functioning of the site and cannot be disabled. They help ensure a secure connection and the basic availability of our website.

These cookies allow us to analyse site use in order to measure and optimise performance. They allow us to store your sign-in information and display the different components of our website in a more coherent way.

These cookies are used by advertising agencies such as Google and by social media sites such as LinkedIn and Facebook. Among other things, they allow pages to be shared on social media, the posting of comments, and the publication (on our site or elsewhere) of ads that reflect your centres of interest.

Our EZPublish content management system (CMS) uses CAS and PHP session cookies and the New Relic cookie for monitoring purposes (IP, response times).

These cookies are deleted at the end of the browsing session (when you log off or close your browser window)

Our EZPublish content management system (CMS) uses the XiTi cookie to measure traffic. Our service provider is AT Internet. This company stores data (IPs, date and time of access, length of the visit and pages viewed) for six months.

Our EZPublish content management system (CMS) does not use this type of cookie.

For more information about the cookies we use, contact INRA’s Data Protection Officer by email at or by post at:

24, chemin de Borde Rouge –Auzeville – CS52627
31326 Castanet Tolosan CEDEX - France

Dernière mise à jour : Mai 2018

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Bureau for Economic Theory and Applications

Laboratoire d'Economie Forestière


See also

INRA devient INRAE

L'INRA devient INRAE

On the 1st of January 2020, INRA has become INRAE, National Institute of Research for Agriculture, Food and Environment.
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Publications 2020

Our lastest articles, published in 2020
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Email OLEF

OLEF: a new way to contact us! the new email addresse to contact our observatory.
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IUFRO Conference IUFRO postponed to 2021

Due to the COVID-19 crisis, the IUFRO Division 4.04.07 Risk analysis conference is postponed to 2021.
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OLEF Labellisation

Quality approach: OLEF becomes a StAR

OLEF has received the StAR-LUE label!
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Sylvain Caurla Defense for his "accreditation to supervise research"

September 15, 2020: Sylvain Caurla defense of his research project to get accreditation to supervise research.
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Félix BASTIT, new Phd candidate

BETA welcome a new PhD candidate on the AgroParisTech campus!
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Assistant ACV

Le BETA recrute un assistant de recherche

URGENT ! Contrat compatible avec un cursus d’étudiant (niveau M2 souhaité ~ 10h/semaine)
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OLEF: Quality is at the heart of our concerns

Our observatory has started a Quality approach in recent months.
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