This set of lecture notes covers a general model of adverse selection as well as a leading example— that of a price discriminating monopolist— due to Maskin and Riley (1984). At the end of this unit, students should understand the application of the revelation principal to this class of models, the general solution techniques, and the key economic trade-o¤— e¢ ciency versus information rent sav...

the holy prophet founded the recitation and inscription of the holy qur’an and also the education system of the qur'an with the purpose of better understanding of it. thus, according to occasions of revelation of the qur'an on the basis of seven letters, the holy prophet, not only, approved the recitations of the quran due to seven arabic accents and dialects of muslims; even, acclaim...

Geographically dispersed sellers in electronic reverse-marketplaces such as those hosted by Freemarkets are uncertain about the number of competitors they face in any given market-session. Over the course of several market-sessions they learn about the competitive nature of the marketplace. How sellers learn to reduce the market-structure uncertainty depends on the market-transparency scheme, o...

Truthful revelation of preferences has emerged as a desideratum in the design of school choice programs. Gale-Shapley’s deferred acceptance mechanism is strategy-proof for students but limits their ability to communicate their preference intensities. This results in ex-ante inefficiency when ties at school preferences are broken randomly. We propose a variant of deferred acceptance mechanism wh...