egw sto mono pou symfwnw einai sto na pernoume xrhmata apo ta filika kai liga na einai boithoun eidika stis mikres kathgories pou yparxei ena problima me ta oikonomika twra gia tous ypoomilous exeis dikio o filos oti yparxei se polles kathgories diafora dynamikothtas anamesa tous auto omws pisteuw oti ofeiletai sto oti yparxoun polles anenerges omades .