International audienceThe mass of data from the investigations conducted over more than 30 years in the Greek countrysides precludes the presentation of an exhaustive assessment within the framework of this symposium. This is the reason why, in view of the forthcoming question de concours, it seems more expedient to put the stress on a certain number of difficulties arising from the implementation of those new sources. To what extent and with what due precaution can, at this date and in its present condition, the documentation provided by the investigations contribute to enrich the discourse of history on economy and society in classical and hellenistic Greece ? Relying on a few examples, we shall evoke the debate over the interpretation of...