Though the mobile app market is substantial and growing fast, most firms struggle to monetize apps profitably. Monetizing apps is done in two ways: a) selling advertising space within a free version of the app, and b) selling a paid version, termed freemium or in-app purchase strategy.In this...

This paper studies short-run wealth mobility in a heterogeneous agents, incomplete-markets model. Wealth mobility has a “hump-shaped” relationship with the persistence of the stochastic process governing labor income: low when shocks are close to i.i.d. or close to a random walk, and higher...

"This book helps readers better understand open source software and its application in mobile learning, covering open culture and mobile learning in the open source setting and reviewing the pros and cons of various types of mobile network architecture, mobile devices, open source mobile...