SEMAINE D'ÉTUDE SUR LE ROLE DE L’ANALYSE ECONOMETRIQUE ETC. 0G; as to which figure will be published. If these considerations are based on economic analysis we obtain the picture which I tried to sketch ALLAIS [ agree with what Prof. THEIL has said. That is my vwr position. But I am doubtful that there is any real tendenc for statistician to adjust their estimates by taking other people’s results into account. 3 ATT AT In presenting my paper as briefly as possible I wish to stress only some very important points on which remarks were formu- ‘ated in the LEONTIEF Group's discussion (1). r) The main definitions are given on Table I. 2) The theory I present uses the concept of characteristic curves (Table II) which was first developed by Jevons. There are two curves, the first for the production process and the second for the amortization process. The first represents the inputs 7, d6 of primary income (the services of Labour and land) supplied at time 1-0 and emerging in consumed national income R at time #. The second represents the inputs r,d8 supplied at.time # and emerging n consumed income at time t+@. In a stationarv process the two curves are simmetrical but in (*) Discussion in plenary session. (') During this discussion, large sheets were put on the blackboarc main definition and equation were presented on these sheets. The contents of these sheets is indicated in the tables in the abstract o Professor ALLAIS’s paner, and the following discussion refers to these +*ables Allais - pag. 205