Use cases of Financial Data Science Techniques in retail

Financial domains like Insurance and Banking have uncertainty itself as an inherent product feature, and hence makes extensive use of Statistical models to develop, valuate and price their products. This presentation will showcase some of the techniques like Survival models and cashflow prediction models, popularly used in financial products, how can they be used in Retail data science, by showcasing analogies and similarities.

Survival models were traditionally used for modeling mortality, then got extended to be used for modeling queues, waiting time and attrition. We showcase, 1) How the waiting time aspect can be used to model repeat purchase behaviors of customers, and utilize the same for product recommendation on particular time intervals. 2) How the same survival or waiting time problem can be solved using discrete time binary response survival models (as opposed to traditional proportional hazard and AFT models for survival). 3) Quick coverage of other use cases like attrition, CLTV (customer lifetime value) and inventory management.

We show a use case where survival models can be used to predict the timing of events (e.g. attrition/renewal, purchase, purchase order for procurement), and use that to predict the timing of cashflows associated with events (e.g. subscription fee received from renewals, procurement cost etc.), which are typically used for capital allocation.

We also show how the backdated predicted cashflows can be used as baseline to make causal inference about strategic intervention (e.g. campaign launch for containing attritions) by comparing with actual cashflows post-intervention. This can be used to retrospectively evaluate the impact of strategic interventions.

 
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Outline/Structure of the Talk

- Importance of Survival Regression techniques in modeling events and their timings in finance (3 mins)

- Discuss difference between event models and waiting time models (2 mins)

- Showcase traditional survival models and discrete time survival models solved through ensemble learning and ANN. Compare and show advantages, disadvantages (3 mins)

- Retail Use cases:

1. Product Recommendation using waiting time models: repeat purchase behavior as a function of waiting times between purchases and other factors (detailed showcase) (5 mins)

2. Customer Attrition models and CLTV (customer lifetime value models) -quick overview (1 min)

3. Inventory management using waiting time models and queuing theory (quick overview) (1 min)

- Cashflow models for subscription based retail businesses, and how it can be solved using survival models (3 mins)

- Causality analysis of Promotions/Campaigns using cashflow models

Learning Outcome

Audience will be benefited by understanding of what financial modeling techniques can be applicable to what kind of problems in retail

Target Audience

Data Scientists, Business Decision Makers, Data Analysts

Prerequisites for Attendees

Basics of machine learning techniques like ensemble learning, regression will be helpful.

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