of the book introduces the reader to modern mechanism design theory, paying particular attention to optimal contracting under hidden action and hidden information, and final part of the book applies the tools of economic theory to understand performance of Islamic financial institutions such as Islamic banks and Takaful operators. Islamic Finance in Light of Modern Economic Theory brings together all the necessary technical tools for analyzing the economic effects of Islamic frameworks and can be used as an advanced textbook for graduate students who wish to specialize in the area, as a reference for researchers and as a tool to help economists improve the design of Islamic financial institutions.