Marketing & Growth
Acquire new users and grow your customer base efficiently • 49 papers
Acquisition & Referrals
Acquire customers efficiently and build referral loops
The Dynamics of Viral Marketing
Empirical analysis of viral cascades on a retailer's recommendation network; foundational for understanding k-factor and referral mechanics.
Effects of Word-of-Mouth Versus Traditional Marketing
VAR model showing WOM elasticity is 20-30x higher than traditional marketing channels.
A Multi-Stage Model of Word-of-Mouth Influence
Decomposes viral influence across awareness, interest, and decision stages; practical framework for campaign design.
Referral Programs and Customer Value
Referred customers are 16% more valuable with higher margins and retention. Foundational empirical study on referral program economics. ~1,600 citations.
Seeding Strategies for Viral Marketing: An Empirical Comparison
Field experiments show hub/bridge seeding outperforms random targeting for viral campaigns. ~1,400 citations.
Creating Social Contagion Through Viral Product Design: A Randomized Trial of Peer Influence in Networks
Randomized trial on 1.4M Facebook users; passive-broadcast generates 246% more contagion than active-personalized messaging. ~1,800 citations.
Network Effects & Viral Growth
Achieve viral growth through network dynamics
Network Externalities, Competition, and Compatibility
Seminal formalization of direct/indirect network effects and compatibility choice; 6,800+ citations.
A Theory of Interdependent Demand for a Communications Service
Original network effects paper introducing critical mass concept for telecommunications.
Systems Competition and Network Effects
Accessible synthesis on network effects, installed base dynamics, and platform competition.
Standardization, Compatibility, and Innovation
Introduces 'excess inertia' and coordination failure; explains why inferior standards persist.
Platform Competition in Two-Sided Markets
THE foundational two-sided markets paper; pricing structure, chicken-and-egg dynamics. ~8,000 citations.
Competition in Two-Sided Markets
Introduces competitive bottlenecks—when one side multi-homes, platforms compete fiercely on single-homers. ~4,500 citations.
Chicken and Egg: Competition Among Intermediation Service Providers
Formalizes platform launch problem; divide-and-conquer strategies for entrants. ~1,800 citations.
Promotions & Discounts
Design promotions that drive incremental value
How Promotions Work
14 empirical generalizations about promotion effects (brand switching, stockpiling, category expansion); most-cited promotion paper.
The Different Faces of Coupon Elasticity
Econometric model for coupon effects showing self/cross-coupon elasticities; practical for optimization.
How Price Promotions Work: A Review
Comprehensive update to 1995 generalizations; bridges academic research with practitioner insights.
The Long-Term Impact of Promotion and Advertising on Consumer Brand Choice
8-year panel showing promotions increase price sensitivity while eroding brand equity. ~2,500 citations.
A Price Discrimination Theory of Coupons
Foundational theory: coupons as self-selection price discrimination devices. ~1,800 citations.
Marketing Mix Modeling
Allocate marketing budget across channels
Bayesian Methods for Media Mix Modeling with Carryover and Shape Effects
Foundational Google paper introducing Bayesian MMM with adstock/saturation curves; basis for LightweightMMM.
Geo-Level Bayesian Hierarchical Media Mix Modeling
Extends Bayesian MMM to geo-level data; provides tighter credible intervals and reduces targeting bias.
Robyn: Continuous & Semi-Automated MMM
Technical documentation for Meta's open-source Robyn; covers ridge regression, evolutionary optimization, calibration.
Media Mix Model Calibration With Bayesian Priors
Methods for calibrating MMM with experiment results; bridges MMM and incrementality testing.
The Persistence of Marketing Effects on Sales
Introduces persistence modeling via unit-roots and impulse response; distinguishes short-term from permanent effects. ~2,200 citations.
How Budget Allocation Relates to Productivity in Marketing Spending: An International Comparison
INFORMS Practice Prize winner; 1-4% profit improvement from optimized allocation vs. heuristics. ~650 citations.
Effect of Sales Promotion on Purchasing Behavior on Promotional and Non-Promotional Days
Promotions have virtually no permanent effects—short-term ROI metrics mislead. ~1,200 citations.
Uplift Modeling
Target customers who will actually respond to campaigns
Differential Response Analysis
Original uplift paper introducing the 'Persuadables' segmentation framework (Persuadables, Sure Things, Lost Causes, Sleeping Dogs).
Using Control Groups to Target on Predicted Lift
Introduces Qini curves for uplift model evaluation; practitioner-focused methodology comparison.
Estimation and Inference of Heterogeneous Treatment Effects using Random Forests
Causal forests for HTE estimation with valid confidence intervals; foundation for grf package; 2000+ citations.
Decision Trees for Uplift Modeling
Adapts information theory for uplift decision trees; extends to multiple treatments; widely implemented.
Metalearners for Estimating Heterogeneous Treatment Effects Using Machine Learning
Introduces S-learner, T-learner, and X-learner; optimal for imbalanced treatment groups. ~1,100 citations.
Double/Debiased Machine Learning for Treatment and Structural Parameters
Foundation for causal ML—Neyman-orthogonal scores + cross-fitting enable root-n consistent inference. ~4,000 citations.
Towards Optimal Doubly Robust Estimation of Heterogeneous Causal Effects
DR-learner with minimax optimality bounds for heterogeneous effects. ~100+ citations.
Customer Journey & Funnel Analytics
Multi-touch attribution, touchpoints, conversion paths
Attributing Conversions in a Multichannel Online Marketing Environment: An Empirical Model and a Field Experiment
Bayesian multi-touch attribution with carryover/spillover across funnel stages; AMA/MSI Paul Root Award. ~600 citations.
Understanding Customer Experience Throughout the Customer Journey
Seminal conceptual framework for touchpoints across pre-purchase, purchase, post-purchase. ~3,500 citations.
Challenges and Opportunities in Multichannel Customer Management
Foundational 5-challenge framework for omnichannel research. ~2,000 citations.
Mapping the Customer Journey: Lessons Learned from Graph-Based Online Attribution Modeling
Markov chain attribution showing substantial divergence from last-click heuristics. ~350 citations.
A/B Testing & Experimentation
Online experiments, bandit algorithms, causal inference
Trustworthy Online Controlled Experiments: A Practical Guide to A/B Testing
Foundational best practices from thousands of experiments at Microsoft/Amazon; OEC design, validity threats. ~1,200 citations.
Graph Cluster Randomization: Network Exposure to Multiple Universes
Handles network interference via cluster randomization; exponentially lower variance under spillovers. ~600 citations.
An Empirical Evaluation of Thompson Sampling
Establishes Thompson Sampling as practical standard for explore-exploit in ad optimization. ~1,500 citations.
Always Valid Inference: Continuous Monitoring of A/B Tests
Defines always-valid p-values maintaining validity regardless of peeking; solves continuous monitoring problem. ~400 citations.
Inferring Causal Impact Using Bayesian Structural Time-Series Models
CausalImpact methodology for geo-experiments when individual randomization impossible. ~1,400 citations.
Loyalty Programs & CRM
Build customer relationships that drive repeat purchases
The Endowed Progress Effect: How Artificial Advancement Increases Effort
Artificial progress (pre-stamped cards) significantly increases completion; foundational loyalty psychology. ~1,800 citations.
The Mismanagement of Customer Loyalty
Framework identifying controllable CLV drivers; outperforms RFM models. ~2,400 citations.
Do Loyalty Programs Really Enhance Behavioral Loyalty? An Empirical Analysis Accounting for Self-Selecting Members
IV correction shows 86% of apparent LP effect disappears when controlling for self-selection. ~900 citations.
Long-Term Impact of Loyalty Programs on Consumer Purchase Behavior and Loyalty
Heterogeneous effects: heavy buyers don't change; light buyers benefit most from programs. ~1,400 citations.
Content & Social Media Marketing
Virality, reviews, influencers, user-generated content
The Effect of Word of Mouth on Sales: Online Book Reviews
Judith A. Chevalier, Dina Mayzlin
Causal evidence reviews affect sales; 1-star reviews hurt more than 5-star help. ~4,500 citations.
What Makes Online Content Viral?
Jonah Berger, Katherine L. Milkman
High-arousal emotions (awe, anger) increase sharing; positive content more viral. ~3,500 citations.
Using Online Conversations to Study Word-of-Mouth Communication
David Godes, Dina Mayzlin
WOM dispersion (not volume) predicts growth; conversations across communities matter most. ~2,200 citations.
Influencer Marketing Effectiveness
Fine F. Leung, Flora F. Gu, Yiwei Li, Jonathan Z. Zhang, Robert W. Palmatier
5,800+ campaigns: originality, follower size, sponsor salience enhance effectiveness; inverted-U for activity. ~300 citations.