S-shaped Response Model - Response Function

S-shape response function exhibits increasing returns to scale at low levels (threshold) and diminishing returns at high levels (saturation) of marketing effort

ADVERTISEMENT AND BRAND MANAGEMENT

Sage Reference - The SAGE Handbook of Advertising

Sale Response Function - Definition & Meaning, Marketing Overview

S-Shaped Response Functions: Implications for Decision Models: Journal of the Operational Research Society: Vol 31, No 11

Rasch & Winsteps

21.6 Market Response Model

A modular approach for modeling the cell cycle based on functional response curves

Exploring Different Approaches to Generate Response Curves in Marketing Mix Modeling, by Slava Kisilevich

Budgeting for Marketing Communications: Establishing the Budget Through Marginal Analysis, Sales Response Models, and Top-Down vs Bottom-Up Approaches, PDF, Top Down And Bottom Up Design

Graphical & Latent Variable Modeling

Functional response - Wikipedia