346 PONTIFICIAE ACADEMIAE SCIENTIARVM SCRIPTA VARIA - 28 all appear in consumed income before the end of 6°. The approximate nature of this hypothesis is evident from the fact ‘hat certain primary inputs which are incorporated in repro- ducible capital in the form of maintenance outlays or repairs appear in consumed income immediately, while at the same lime the primary inputs which correspond to stock formation may only reach consumed income long after the inputs cor- responding to certain types of investment. If hypothesis (H) is taken as correct (which, rigorously, it is not), the contribution of primary income to investment, from the figures in table 8 and relation (334-15) should be 6’ Rw =¢ © =) =— 0.316 i.e., for ® =4.56 8’ =5.25 From the preceding discussion, this certainly is an over- estimate. Similarly, if hypothesis (H) were true, the contribution of primary income to fixed investment (i.e. capital immobilised in the form of equipment and structures) should be co” $_|, C 5 ev’ u | € + I x Or \ =O0I © = 4.56 u=0.0085 (!) See Chart II below. 11] Allais - pag. 150