In the 21st century, as the vitality of economic growth weakens and the instability of the global economy grows, employment has stagnated or even diminished depending on the industry. In particular the 2008 global financial crisis and the subsequent recession led many workers to lose their...

Daily deals have been very popular among both online shoppers and businesses seeking to attract customers. A daily deal typically consists of a deep discount for a targeted group of shoppers over the limited period of a single day. We analyze the adoption process of daily deals and untangle the...

A latent class probit model is developed in which it is assumed that the binary data of a particular subject follow a finite mixture of multivariate Bermoulli distributions. An EM algorithm for fitting the model is described and a Monte Carlo procedure for testing the number of latent classes...