The objective of our work is to show the importance of a healthy institutional framework in the finance-growth relation. In this context, we start by presenting, a theoretical lighting on this subject while trying to define the concept of the governorship and to determine its various measurements. Then, we empirically test a model of growth of Solow increased by the human capital, treating relation between financial development, institutions and economic growth. The various estimates were made by Panel data Methods over the period of 1990 to 2006 for 22 developing countries. Following these estimates, it seems that the quality of the institutions is regarded as an important factor which must not be neglected in the study of the relation between the financial sphere and the real sphere

Economic growth Financial developmentGeneralized method of moments Institutional arrangements Quality of institutions Arab countries.