evidence of diffusion acceleration is rather scant, and the methodology used in previous studies has several weaknesses. Also …, little is known about why such acceleration would have occurred. This study investigates changes in diffusion speed in the … diffusion speed as the time it takes to go from one penetration level to a higher level, and it measures speed using the slope …

Forecasting category or industry sales is a vital component of a company’s planning and control activities. Sales for … varying model significantly outperformed previous models both in terms of fitting and forecasting the sales data. …

Forecasting category or industry sales is a vital component of a company's planning and control activities. Sales for …-varying model significantly outperformed previous models both in terms of fitting and forecasting the sales data. Copyright (C) 2001 …

this obstacle, the authors have defined a Delphi study for reaching a scenario about the diffusion of OSS in 2010 … critical success factors and the main barriers for the diffusion and adoption of OSS. …

conventional and terrorist forces. Specifically, a family of diffusion processes is proposed to capture the terrorists' progress …