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Sources: Business Models — Conceptual Grounding

Seed list from the 2026-08-18 OpenAlex pass (see search-log.md). Every item

links to a DOI or an OpenAlex record so it resolves. Annotations are one line:

what the work contributes to a business-models-in-the-townships thesis.

Groups:

A. Business model foundations

B. Business model canvas: building blocks, critiques, adaptations

C. Business model innovation

D. Revenue models

E. What makes business models work (value creation + capture)

F. Digital and platform business models (latest thinking)

G. Sustainability and circular business models

H. Informal economy (the conceptual anchor)

I. SA townships, spaza, informal retail (the empirical context)


A. Business model foundations

B. Business model canvas: building blocks, critiques, adaptations

C. Business model innovation

D. Revenue models

E. What makes business models work (value creation + capture)

F. Digital and platform business models (latest thinking)

G. Sustainability and circular business models

H. Informal economy (the conceptual anchor)

I. SA townships, spaza, informal retail (the empirical context)


Working synthesis note (BMC lessons: what makes business models work)

The Canvas' nine blocks reduce to two questions: what value for whom, and

how is value captured (revenue) and delivered (cost). The canon says a

working business model aligns value creation with value capture (Teece 2009;

Zott & Amit 2007/2009) and keeps the blocks coherent: the revenue stream must

match the value proposition and the customer segment. Success conditions in the

literature: (1) a value proposition matched to a real segment; (2) an activity

system with coherent content, structure, and governance; (3) a revenue model

that fits how customers actually pay; (4) complementarities between blocks;

(5) dynamic capability to adapt the model as conditions change (Teece 2018;

Demil & Lecocq 2010); (6) explicit design of value capture, not an assumption

(Chesbrough 2002).

Observed gaps (candidates for the gap statement)

1. Business-model theory and the Canvas are built on formal, registered,

growth-oriented ventures. Applications to informal township micro-enterprises

are rare and mostly practitioner, not scholarly.

2. The revenue-stream block presumes formal payment channels and price-setting;

cash-based, credit-trust township trade is a mismatch the theory has not

addressed.

3. No work formally applies the Canvas or BM frameworks to spaza, street-vendor,

or township-enterprise business models. SA township research is descriptive

(Charman, Ligthelm) rather than business-model-theoretic.

4. Recent BM innovation strands (digital, platform, sustainability) have not been

connected to the township informal economy.

5. Methodologically, the small-area census approach (Charman et al. 2015) offers

a precedent for sampling informal township ventures, but no BM-level

measurement exists.

These are seed observations, not the final gap statement. They must be tested

against the full screened corpus in the review matrix before the proposal claims

them.