1. Ghose, A., Han, S.P.: Estimating demand for mobile applications in the new economy. Manag. Sci. 60(6), 1470–1488 (2014)
2. The Nielsen Company: Nielsen mobile apps white paper, September 2010
3. Chen, P.-Y., Wu, S., Yoon, J.: The impact of online recommendations and consumer feedback on sales. ICIS 2004 Proc. p. 58 (2004)
4. Lin, Z., Goh, K.-Y., Heng, C.-S.: The demand effects of product recommendation networks: an empirical analysis of network diversity and stability
5. Oestreicher-Singer, G., Sundararajan, A.: Recommendation networks and the long tail of electronic commerce. MIS Q. 36(1), 65–83 (2010)