Pooling, the act of multiple parties committing resources to a shared mechanism for collective benefit, takes structurally different forms depending on which TIMN coordination logic governs it. This brief examines documented pooling systems across four TIMN forms, from mature +M cooperative marketing through the +M/+N boundary to the emerging +N form of commitment pooling, and identifies what changes when the coordination logic itself changes.
Overview
Kinship-based societies pool labor and food through rotating obligation systems anchored in loyalty and reciprocity (T). Hierarchical institutions pool tithes, taxes, and conscript labor through centralized authority (+I). Market-era cooperatives pool production, revenue, and risk through contractual membership in pursuit of competitive advantage (+M). The emerging network form pools commitments, reputation, and ecological labor through distributed ledgers and community governance (+N).
Each is pooling. Each solves a coordination failure specific to its era. The mechanism, the medium of account, the governance structure, and the relationship to state authority differ in each case, and those differences are structural rather than incidental. They are expressions of the coordination form itself.
The brief focuses on three transition points: the +M form at its most mature (Outspan and Sunkist as agricultural cooperative-marketing cases), the +M/+N boundary (WIR and Sardex as mutual-credit currency cases), and the +N form (Grassroots Economics’s three phases from Eco-Pesa through Sarafu to Commitment Pooling). The T-form Mweria tradition sits underneath the +N form as the ancestral substrate it digitizes.
+M pooling: cooperative marketing as mature market coordination
Outspan / SACCE (South Africa, 1926-1997)
The South African Cooperative Citrus Exchange was formally constituted on 27 April 1926 when citrus growers separated from the broader Fruit Growers’ Cooperative Exchange. By 1929, 61 percent of South African citrus exports were channeled through SACCE. The Niven family’s Outspan brand name, adopted by the Exchange board as the unified export trademark in 1937, became the industry’s identifier globally.
The system pooled on five dimensions: production knowledge (over 120 technical staff by the mid-1990s across Production Research, Extension Services, the Citrus Improvement Programme, Outspan Laboratories, and Operations Research), marketing and distribution (Outspan International as single-desk export agent selling R1.4 billion of citrus across 50+ countries), infrastructure (specialized fruit terminals at Durban and Port Elizabeth, negotiated shipping rates), quality standards (uniform grading with sub-standard fruit relegated to Standard Grade), and revenue returns (proceeds pooled and distributed across markets, seasons, and cultivars).
The coordination failure it solved was real: South African citrus growers were geographically dispersed across production areas with diverse climatic conditions, 10,000 kilometers from their primary European markets, and individually unable to build the cold chain, shipping logistics, market intelligence, and brand recognition required to compete with Sunkist.
+M classification. This is +M pooling in its mature form. Every element of the system serves competitive market logic. The pooling mechanism is contractual membership under statutory single-desk backing. State authority is central: the single-desk arrangement was a statutory instrument, not a voluntary agreement. When the first democratic government passed the Marketing of Agricultural Products Act of 1996, single-channel marketing arrangements were swept aside; the statutory pooling requirement dissolved; grower levies became voluntary; single-channel exports gave way to multi-channel exports; and the cooperative fragmented. The pool held for sixty years under state protection and fragmented within two years of deregulation.
Sunkist (California/Arizona, 1893-present)
Sunkist Growers, Incorporated, was formed in 1893 as the Southern California Fruit Exchange when citrus farmers recognized that individually they could not compete against commission houses that refused to purchase fruit F.O.B. The cooperative adopted the Sunkist brand name in 1907, launching what was reportedly the first national advertising campaign for a perishable food product. By the late 1990s the membership comprised 6,500 citrus farmers controlling nearly 60 percent of the domestic market for navel oranges.
The pooling dimensions parallel Outspan closely. The structural difference is that Sunkist operated without a statutory single-desk mandate. Its pool was held together by voluntary membership, the competitive advantage of the brand, and the practical impossibility of small growers accessing national and international markets independently. This voluntary structure has proved more durable than Outspan’s statutory model: Sunkist remains operational after 130 years, though it has contracted from 6,500 members to approximately 1,000 as the California citrus industry consolidated.
The +M pooling lesson
Pooling works when it solves a genuine coordination failure. Outspan succeeded because individual growers could not independently access European markets. Sunkist succeeded because individual farmers could not compete against commission houses.
State-dependent pools are fragile. Outspan’s sixty-year single-desk arrangement collapsed within two years of deregulation. Sunkist’s 130 years of voluntary membership have held. The design lesson for any pooling architecture is that voluntary durability matters more than statutory scaffolding.
+M capture risk is real. The Outspan system served its grower-members well for decades, but it was structurally incapable of serving the broader community. Farmworkers, processing labor, and the communities on whose land citrus was grown were outside the pool. The apartheid-era citrus cooperative concentrated pooling benefits among its (exclusively white) membership. Any contemporary pooling design must prevent recurrence of this pattern.
+M/+N boundary: mutual credit currencies
WIR Bank (Switzerland, 1934-present)
The WIR (Wirtschaftsring-Genossenschaft) was founded in 1934 by Werner Zimmermann and Paul Enz, inspired by Silvio Gesell’s free-money theory, as a mutual-credit system for Swiss small and medium enterprises. The WIR franc (CHW) is pegged 1:1 to the Swiss franc, carries no interest, and is not convertible to cash. Membership has exceeded 50,000 businesses (approximately 17 percent of all Swiss businesses), and turnover reached 1.43 billion Swiss francs in 2013.
Stodder and Lietaer’s econometric analysis found WIR turnover is countercyclical: firms use it more in recessions, and the countercyclical multiplier is highly leveraged relative to its turnover share of the Swiss economy.
Classification. WIR sits at the +M/+N boundary. Its medium of account is a complementary currency, its governance is cooperative, and its function (providing liquidity to SMEs when bank credit contracts) addresses a market failure. It operates entirely within the Swiss legal and banking framework and has done so for over ninety years. It is +M pooling with proto-+N characteristics: the mutual-credit mechanism, the interest-free design, and the countercyclical function all point toward coordination logic that serves community resilience over competitive advantage.
Sardex (Sardinia, Italy, 2009-present)
Sardex is a B2B mutual-credit circuit explicitly modeled on the early zero-interest WIR. One Sardex equals one euro, non-convertible. By end-2018, the network had approximately 3,200 members conducting over 43 million euros in annual transactions. Sardex occupies the +M/+N boundary alongside WIR. Its explicitly regional, non-convertible, zero-interest design carries stronger +N signals than WIR’s evolution toward conventional banking.
T-form persistence: rotating labor as the deep substrate
Mweria (Kenya, documented pre-colonial to present)
The Mweria rotating labor tradition among the Mijikenda peoples of coastal Kenya is the direct ancestral reference for Ruddick’s commitment pooling framework. In a Mweria cycle, community members commit labor to each other’s farms or building projects in rotation. No money changes hands. The commitment is tracked through social memory and community governance. Ruddick reports over 1,500 Mweria cycles across 50+ groups since July 2023, with 320+ houses built and 400 farms developed.
The pattern is near-universal across cultures. Irish Meitheal, Finnish Talkoot, Norwegian Dugnad, Southern African Ilima/Letsema, and Japanese Yui all describe rotating communal labor organized through kinship and neighborhood obligation. The pooling mechanism that Ruddick formalizes has a documented deep history across cultures. It is the T-form coordination substrate onto which +N network technology is being layered.
+N pooling: commitment pools and community asset vouchers
Will Ruddick, a US-trained physicist and economist based in East Africa since 2008, founded Grassroots Economics and has progressively reframed his work from “complementary currency” to “community inclusion currency” to “commitment pooling.” The current framework rests on four functions of pooling: curation (what enters the pool), valuation (relative worth of commitments), limitation (capacity management), and exchange (how commitments circulate).
Phase 1: Eco-Pesa (Mombasa, 2010-2011)
Launched in three informal settlements in Kongowea in partnership with the Green World Campaign. Seventy-five registered businesses (approximately 75 percent women-owned). Documented outcomes: approximately 352 in circulation; 22 percent average increase in participating business income; 20 tonnes of waste collected; three youth-led tree nurseries; total program cost $4,698 over seven months. Residents earned Eco-Pesa through waste-collection events. This is the earliest documented ecological earn-and-spend design in Ruddick’s lineage.
Phase 2: Bangla-Pesa and Sarafu Network (2013-2023)
Bangla-Pesa launched May 2013 in the Bangladesh informal settlement, Mombasa, with approximately 200 businesses. Unlike Eco-Pesa, it was backed only by members’ goods and services, with no cash reserve. The Sarafu Network aggregated local currencies into a single digital system via USSD feature phones (2017) and blockchain (2018-2019). Per the Nature Scientific Data dataset (Mattsson, Criscione, and Ruddick 2022), Sarafu grew from 8,354 registered accounts in January 2020 to almost 55,000 by June 2021, with April 2020 transaction volumes almost ten times higher than February 2020 as COVID-19 constricted the formal economy. The Kenya Red Cross drove a major Mukuru pilot from April 2020.
Mqamelo’s 2022 randomized control trial (Frontiers in Blockchain), possibly the first RCT on community currencies, found that CIC transfers of 93.51 increase in wallet balance, 16.30 in monthly CIC spending, 28.43 in increased expenditure on food and water, with documented gender differences favoring men.
Phase 3: Commitment Pooling and Community Asset Vouchers (July 2023-present)
Since migrating to the Celo blockchain, GEF reports (as of September 2024) 33 commitment pools, 239 unique CAVs, and 3,149 monthly active users. By July 2025: 4,476 users, 251,449 peer-to-peer exchanges, 561 vouchers, and 55 pools. Communities span Kwale, Kitui, Kilifi, Mukuru, Kibera, Dadaab, Kalobeyei, Siaya, Mombasa, and Kawangware. The system also reports over 1,200 acres restored through syntropic agroforestry, zai pits, and sunken beds, benefiting 14,000+ people.
+N classification. Phase 3 represents a genuine structural shift. Ruddick’s own description of commitment pooling as “a trust-routing system, not a currency” marks the conceptual transition from +M (complementary currency circulating within the monetary economy) to +N (a coordination protocol for pooling commitments without dependence on national currency). The four functions are explicitly modeled on the Mweria T-form tradition, digitized through smart contracts. The governance is polycentric (pool stewards, community groups, Chama-based decision-making). The ecological dimension (agroforestry, waste collection, land restoration as earning mechanisms) ties the coordination system to the bioregional substrate.
Active-user numbers are far smaller in Phase 3 (roughly 3,000-4,500) than at the COVID-era Sarafu peak (roughly 55,000). This partly reflects a real contraction and partly a definitional shift: pool participants in Phase 3 are engaged in a more demanding coordination practice than currency users in Phase 2.
Failure cases and boundary conditions
UK local pounds. The Bristol Pound (2012-2021), Totnes Pound (2006/2007-2019), Stroud Pound (2009-2013), Exeter Pound, and Lake District Pound all folded. Root causes: they solved no genuine liquidity shortage (unlike Kenyan slums), functioned as gift vouchers no better than cash, carried high running costs (Bristol Pound reportedly 13,000 pounds per month), and were undercut by the shift to cashless payments accelerated by COVID-19. Bristol Pay, the digital successor, shut in mid-2023 for lack of funding.
Fureai Kippu (Japan, 1973/1995-present). A time-based “caring relationship” currency for elder care. Pioneering and large-scale but stagnated after 2000 due to competition from Japan’s statutory Long-Term Care Insurance Act.
Sarafu governance critiques. Independent scholars (notably Ester Barinaga, Lund University, DANIDA-funded) have documented that beneficiaries “game” conversion rules to cash out, and that automating monetary rules via smart contracts can erode communal decision-making.
The screening principle. The +N pooling model demonstrably works where national currency is genuinely scarce (Kenyan informal settlements, post-crisis settings, refugee camps) and predictably fails where it is not (affluent UK towns with functioning payment systems). Any bioregional pooling design must first ask whether a genuine coordination failure exists that the pool solves, or the pool will collapse regardless of the technology, the governance, or the funding.
The structural comparison
| Dimension | +M Pooling (Outspan, Sunkist) | +M/+N Boundary (WIR, Sardex) | +N Pooling (GEF Commitment Pools) |
|---|---|---|---|
| Coordination logic | Competitive advantage in export markets | Countercyclical liquidity for SMEs | Reciprocity, commons stewardship, ecological restoration |
| What is pooled | Production, revenue, knowledge, infrastructure, risk | Credit capacity, trade balances | Commitments to deliver goods, services, labor, ecological action |
| Medium of account | National currency (ZAR, USD, CHF, EUR) | Complementary currency pegged to national currency | Community Asset Vouchers, non-monetary commitment units |
| Governance | Representative cooperative boards with statutory backing | Cooperative boards within national banking/legal frameworks | Polycentric: pool stewards, Chama-based groups, community governance |
| Relationship to state | State-enabled | State-compliant | State-independent (and sometimes state-contested) |
| Backing | Physical commodity and brand equity | Mutual credit backed by members’ trade capacity | Members’ future goods, services, labor, and ecological commitments |
| Ecological dimension | None | None | Central: ecological labor as earning mechanism |
| Convertibility | Full | Limited (WIR non-convertible; Sardex non-convertible) | Minimal |
| Scale achieved | Industrial | Large | Community (thousands, not millions) |
| Vulnerability | State deregulation collapses the pool | Drift toward conventional banking | Donor dependency, governance gaming, scaling constraints |
| T-form substrate | Weak | Weak | Explicit (Mweria digitized) |
What the structural comparison shows
Three findings.
The +N transition is structural, not just technological. The move from +M to +N is not primarily about switching from national currency to a complementary token. It is about changing the coordination logic itself: from competitive advantage to reciprocity, from state-enabled to state-independent, from convertible to non-convertible, from private ownership to commons stewardship, from ecology-blind to ecology-central.
The +N transition requires a T-form substrate. Ruddick’s model works where Mweria-type rotating labor traditions persist. Where the T-form social cohesion is not present or has been eroded, the +N technology has nothing to route trust through.
The +M capture risk is the recurring warning. From the apartheid-era Outspan cooperative through the microfinance IPOs (Compartamos, SKS), pooling architectures have repeatedly served their original members well while excluding or extracting from the broader community. Any bioregional pooling design must engineer against this pattern from the beginning.
Related pages
- Promise Theory Across TIMN (the analytical companion to this brief)
- The TIMN Framework
- Commitment Pooling
- Mweria (glossary)
- Curation, Valuation, Limitation, Exchange (glossary)
- Federated Cooperative Supply Chains
- Will Ruddick
Sources
- Ruddick, W.O. (2023). “Commitment Pooling”
- Ruddick, W.O. (2025). Grassroots Economics: Reflection and Practice
- Mattsson, C. E. S., Criscione, T., and Ruddick, W. O. (2022). “Circulation of a Digital Community Currency.” Scientific Data (Nature). arXiv:2207.08941.
- Mqamelo, Z. (2022). “Community Currencies as Crisis Response: Results from a Randomized Control Trial in Kenya.” Frontiers in Blockchain, 5.
- Ruddick, W. O. (2011). “Eco-Pesa.” International Journal of Community Currency Research, 15(A), 1-12.
- Stodder, J., and Lietaer, B. (2016). “The Macro-Stability of Swiss WIR-Bank Credits.” Comparative Economic Studies, 58(4), 570-605.
- Mather, C. (1999). “Agro-commodity Chains, Market Power and Territory: Re-Regulating South African Citrus Exports in the 1990s.” Geoforum, 30(1), 61-70.
Provenance
Extracted from Pooling_Across_TIMN_Research_Brief.md in the BioConomy project. Valley-of-Grace-specific implications from the source (Section 6) have been removed for this international-audience version. The structural mapping of pooling systems to TIMN coordination forms is the author’s own inference and is presented as such; Ronfeldt has not made these specific claims. All empirical figures are attributed to the sources cited on each case.