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

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

What do we know about advertising response functions?

Full article: Hierarchical marketing mix models with sign constraints

Item Response Modeling of Customer Satisfaction: The Graded Response Model

Sigmoid function - Wikipedia

Advertising Budget - Objectives, Approaches, Methods - BBA

Sales Response Functions - Marketing mix Modelling (MMM)

Sigmoid function - Wikipedia

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

Advertising response curves: What are they and why do you need them?

Graphical & Latent Variable Modeling

Item Response Theory

The most important output of your Marketing Mix Model: response curves

Lesson_12 Linear filters for 1-D time-series

The most important output of your Marketing Mix Model: response curves

What Goes Up… The S-Curve and it's many applications.

A Brief Guide on S-curves in Project Management

S-shaped, Waisttrainer, Fitnessgürtel

MAQUINA S SHAPE CAVITAÇÃO MULTIFUNÇÕES | MAQUINAS DE CAVITAÇÃO

What is the S Shape Curve and How Do We Achieve it (at the Open Minded Healing Podcast) [CC]