In many countries, a reversing trend in the evolution of the hired labour force in agriculture was observed : its share in the agricultural employment which had decreased regularly since decades has increased for the last ten years. We propose an analysis of the factors bearing upon the...

Since the eighties, French Ph.D. students have the opportunity, after completing their Ph.D., to take a post-doctoral position (commonly referred to as "post-doc"=. A "post-doc" is a temporary research job in a foreign university of firm. Originally these positions were created to encourage...

The existence and the king of asymmetry that characterize the relationships between shipping-point and retail prices are investigated for two major French fresh vegetables : tomatoes and chicory. Weekly data allow considering these relationships at very detailed levels such as region or...