cib w55 w65 construction industry comparative analysis project group cstb jc 2000 08 31 1 conseil international du batiment tg macro economic data on the joint meeting reading united kingdom september 15 a mesoeconomic of sector applied to french jean carassus centre scientifique et technique bâtiment economics and human sciences department paris france fr 2 abstract research in relation is relatively undeveloped proposed takes into account all participants involved production management structures real estate managers clients designers firms material producers participant institutions method based concept mesosystem defines problem be solved by structuring characteristics importance existing stock main groups activity differentiated fragmentation operational configurations players institutional regulations approach an