With the rapid development of express delivery industry, the service quality becomes a topic of interest for academic research. This paper extended the previous research by studying the learning effect in express delivery industry. We propose a two-period model to analyse how the learning effect...

Aggregate advertising models are functions reflecting the relationship between product sales and advertising expenditure for a market as a whole. In this paper, we proposed a new advertising response model based on consumer population dynamics. Considering that the population dynamics is one of...