Green Brand Image Mediates Green Marketing's Impact on Gen Z Purchase Intent

Why It Matters

Understanding how sustainability-focused marketing efforts influence young consumers is vital for developing effective strategies. This research highlights that simply offering eco-friendly products or advertising them isn't enough; building a credible green brand perception is the key to driving purchase behavior.

Key Finding

For Generation Z, how a brand is perceived as 'green' (its brand image) is the primary driver that turns their awareness of eco-friendly advertising and products into a desire to buy.

Key Findings

• Green advertising positively influences green brand image.
• Green product innovation positively influences green brand image.
• Green brand image strongly and positively influences green purchase intention.
• Green brand image mediates the relationship between green advertising/product innovation and green purchase intention.

Research Evidence

Aim: To investigate how green advertising and green product innovation influence Generation Z's green purchase intention, with a focus on the mediating role of green brand image.

Method: Quantitative Survey and Structural Equation Modeling (SEM)

Procedure: A survey was administered to Generation Z consumers, collecting data on their perceptions of green advertising, green product innovation, green brand image, and their purchase intentions. Structural Equation Modeling was then used to analyze the relationships between these variables.

Sample Size: 250 participants

Context: Consumer behavior in emerging markets, specifically Generation Z in Indonesia.

Design Principle

Authenticity in green branding is paramount for influencing consumer behavior.

How to Apply

When developing new sustainable products or campaigns, conduct research to understand how your target audience perceives your brand's environmental commitment and adjust messaging and product features accordingly.

Limitations

The study's cross-sectional design and the high education level of respondents may limit the generalizability of the findings to broader populations or different market segments.

Student Guide (IB Design Technology)

Simple Explanation: If you want young people to buy eco-friendly stuff, you first need to make them believe your brand is genuinely good for the environment. Just saying you're green or making green products isn't enough; your brand's reputation for being green is what really makes them want to buy.

Why This Matters: This research is important because it shows that for young consumers, the 'story' and reputation of a brand's sustainability efforts are as important as the actual green features of a product.

Critical Thinking: How might the cultural context of Indonesia specifically influence the relationship between green advertising, brand image, and purchase intention compared to Western markets?

IA-Ready Paragraph: Research indicates that for Generation Z, the perceived green brand image is a critical mediator between green marketing efforts (like advertising and product innovation) and actual purchase intention. This suggests that a strong, authentic brand reputation for sustainability is essential for driving consumer behavior in the eco-conscious market.

Project Tips

• When researching consumer attitudes towards sustainable products, consider how brand perception plays a role.
• If your design project involves sustainability, think about how to communicate this effectively to build a positive brand image.

How to Use in IA

• Reference this study when discussing the importance of brand image in sustainable design projects or when analyzing consumer behavior towards eco-friendly products.

Examiner Tips

• Demonstrate an understanding of how marketing and product development must align to create a credible sustainable brand image, not just isolated green features.

Independent Variable: ["Green Advertising","Green Product Innovation"]

Dependent Variable: Green Purchase Intention

Controlled Variables: ["Green Brand Image (as a mediator)"]

Strengths

• Utilizes a robust statistical method (SEM) to analyze complex relationships.
• Focuses on a key demographic (Generation Z) for future market trends.

Critical Questions

• To what extent does the 'greenwashing' phenomenon affect the credibility of green brand images among Generation Z?
• Are there other factors, beyond brand image, that significantly influence Generation Z's green purchase intentions?

Extended Essay Application

• An Extended Essay could explore the effectiveness of different green communication strategies in building brand image for specific sustainable products targeting Generation Z.

Source

Explaining Green Purchase Intention among Generation Z: A Structural Equation Modeling Approach Based on the Theory of Planned Behaviour · Indonesian Interdisciplinary Journal of Sharia Economics · 2026