What caused the sudden 50% decrease in Neiman Marcus's online gift card purchases last month?

Introduction

The sudden 50% decrease in Neiman Marcus's online gift card purchases last month is a critical issue that demands immediate attention. This analysis will systematically identify, validate, and address the root cause while considering both short-term and long-term implications for the business.

I'll approach this problem by first clarifying key details, ruling out external factors, and then diving deep into the product ecosystem, user journey, and relevant metrics. From there, I'll generate data-driven hypotheses, conduct root cause analysis, and propose validation methods and solutions.

Step 1

Clarifying Questions (3 minutes)

• Looking at the timing, I'm thinking there might be a seasonal component. Has this decrease occurred during the same month in previous years?

Why it matters: Helps distinguish between cyclical patterns and anomalies. Expected answer: No, this is unprecedented for this time of year. Impact on approach: If seasonal, we'd focus on year-over-year comparisons; if not, we'd investigate recent changes.

• Considering the magnitude of the decrease, I'm wondering about system integrity. Have there been any recent changes to the gift card purchase system or tracking methods?

Why it matters: Rules out technical issues or measurement errors. Expected answer: No significant changes reported. Impact on approach: If changes occurred, we'd prioritize technical investigations; if not, we'd focus more on user behavior and external factors.

• Given the specificity to gift cards, I'm curious about the performance of other product categories. Have other online purchases seen similar declines?

Why it matters: Helps isolate whether this is a gift card-specific issue or a broader e-commerce problem. Expected answer: Other categories have seen minor fluctuations but nothing this drastic. Impact on approach: If gift card-specific, we'd focus on that product line; if broader, we'd investigate overall site performance and user experience.

• Considering potential external influences, have there been any significant changes in marketing strategies or promotions for gift cards in the past month?

Why it matters: Identifies if the issue is related to demand generation or awareness. Expected answer: No major changes in marketing efforts. Impact on approach: If marketing changed, we'd analyze campaign effectiveness; if not, we'd look more closely at the purchase funnel and user behavior.