Multilevel marketing, the strategy that spawned decades of Tupperware parties and door-to-door Avon sales, appears to be ...

Multilevel marketing, the strategy that spawned decades of Tupperware parties and door-to-door Avon sales, appears to be falling flat for some companies after years of public scrutiny. Companies such ...

Multiple imputation is a popular method for addressing data that are presumed to be missing at random. To obtain accurate results, one's imputation model must be congenial to (appropriate for) one's ...

This is a preview. Log in through your library . Abstract Diffusion curve analysis can estimate whether an innovation spreads endogenously (indicated by a characteristic "s-curve") or exogenously ...