Small Businesses in Africa Hold the Key to Sustainable Development

The Most Powerful Development Tool in Africa Is Smaller Than You Think

In the sprawling markets of Addis Ababa, a woman sells injera from a metal cart. She has no employees, no bank loan, no electricity connection. By any conventional measure, her business is invisible. But according to a systematic review of 87 studies spanning a decade, businesses just like hers may be the single most underestimated force for sustainable development in sub-Saharan Africa.

Ebrahim Endris and Andualem Kassegn, researchers at Haramaya University in Ethiopia, spent two years combing through 1,270 articles, policy documents, and reports from seven major databases. They wanted to know one thing: do micro, small and medium enterprises (MSMEs) actually deliver on the promises made about them? The answer, published in the Journal of Innovation and Entrepreneurship, is a resounding yes. But the path to that yes is riddled with obstacles that most development programs barely acknowledge.

Here is what surprised me: these businesses are not just economic actors. They are poverty alleviation machines, employment engines, and living standard elevators all at once. And they do this despite operating in conditions that would crush most Western startups within a month.

What 87 Studies Actually Reveal About Tiny Businesses

Endris and Kassegn did not run a single experiment. Instead, they performed what researchers call a systematic review, which is essentially a forensic audit of existing evidence. They set strict inclusion criteria: only studies from 2011 to 2021, only those focused on Ethiopia and sub-Saharan Africa, only those that measured actual outcomes rather than intentions. After screening, 87 papers made the cut.

The methodology matters here because the claims about MSMEs have often been more aspirational than factual. Governments love to say they support small businesses. International donors love to fund programs for them. But does the evidence back the hype?

Endris and Kassegn found that it does. Across multiple studies, MSMEs consistently generated employment, reduced poverty, and improved living standards in measurable ways. The authors wrote that MSMEs "significantly contributed to the sustainable development goals of Ethiopia through creating employment, alleviating poverty, and improving their living standards" (Endris & Kassegn, 2022).

But here is the twist: the same review found that these businesses face a triple threat that makes their survival a near miracle. Access to finance, access to electricity, and trade regulation emerged as the three major constraints. Not one or two. All three, simultaneously.

The Finance Trap That Keeps Small Businesses Small

Imagine you run a small tailoring shop in Addis Ababa. You have a sewing machine, some fabric, and a steady stream of customers. You want to buy a second machine so you can hire an assistant and double your output. You need about $200.

Banks will not lend to you. You have no collateral, no formal credit history, no registered business license. Microfinance institutions might offer you a loan, but at interest rates that can exceed 30 percent annually. Family and friends are tapped out.

Endris and Kassegn found that access to finance was the single most frequently cited barrier across all 87 studies. This is not a new problem. What is new is the scale. The authors documented that MSMEs in Ethiopia and across sub-Saharan Africa are systematically excluded from formal financial systems. Not because they are bad risks, but because the systems were never designed to serve them.

The result is a kind of economic purgatory. Businesses exist, they generate income, they employ people, but they cannot grow. They are stuck at the size they are because the capital needed to scale is simply unavailable.

The Electricity Problem Nobody Talks About

Here is a finding that stopped me cold. Endris and Kassegn identified access to electricity as a major constraint. Not access to the grid. Access to reliable electricity.

In many parts of sub-Saharan Africa, the grid exists but delivers power sporadically. A small business might have electricity for six hours a day, or three, or none. This is not an inconvenience. It is a fundamental limitation on what kind of business you can run.

If you run a cold storage business, you need constant power. If you run a welding shop, you need consistent voltage. If you run a bakery, you need ovens that stay on. Without reliable electricity, whole categories of businesses become impossible.

Endris and Kassegn documented that MSMEs in areas with unreliable power are forced to invest in generators, which are expensive to buy and run. Or they limit their operations to daylight hours. Or they simply give up on certain products and services altogether.

The development narrative often treats electricity access as a binary thing. You have it or you don't. This review shows that the reality is more complex. Having intermittent electricity is almost as bad as having none, because you cannot plan around it. And planning is what allows a small business to become a medium one.

Trade Regulations That Punish the Smallest Players

The third constraint Endris and Kassegn identified is trade regulation. This is the one that made me rethink how we talk about business environment reforms.

When Western economists discuss trade regulation, they usually mean tariffs, customs procedures, and export licenses. Those matter. But for micro and small enterprises in sub-Saharan Africa, the regulatory burden is much more granular.

It is the fee you have to pay to register your business, which might equal a month's income. It is the requirement to file tax returns in a language you do not read. It is the need to bribe an inspector to get a health certificate. It is the rule that says you cannot sell in the city market unless you belong to a specific trade association.

Endris and Kassegn found that these regulations do not just create friction. They actively push businesses into informality. A business that operates outside the formal system cannot access bank loans, cannot qualify for government contracts, cannot enforce contracts with suppliers. But a business that operates inside the formal system faces costs and complexities that eat away at already thin margins.

The worst part? The businesses that suffer most are the smallest ones. A medium enterprise with 50 employees can hire an accountant and a lawyer. A micro enterprise with one employee cannot. So the regulatory burden falls heaviest on the businesses that are most likely to create jobs for the poorest people.

Why Size Does Not Predict Impact

Here is a counterintuitive finding that deserves more attention. Endris and Kassegn's review suggests that the impact of MSMEs on sustainable development is not proportional to their size. A micro enterprise with one employee can have a larger relative impact on poverty reduction than a medium enterprise with 50 employees.

Why? Because micro enterprises are owned by people who were previously unemployed or underemployed. When that person starts earning income, the change in their household is dramatic. They go from subsistence to having some disposable income. Their children might eat three meals a day instead of two. They might afford school fees.

A medium enterprise, by contrast, is often owned by someone who was already relatively well off. Their expansion creates jobs, which is valuable, but the marginal impact on poverty reduction is smaller.

This has a practical implication. Development programs that focus only on supporting the largest small businesses may miss the point. The businesses that need the most help, and that can deliver the most impact per dollar of support, are the tiniest ones.

What the Research Does Not Prove

This is where I need to be careful. Endris and Kassegn's review is comprehensive, but it has limitations that matter.

First, the evidence is heavily weighted toward Ethiopia. The authors included studies from across sub-Saharan Africa, but the majority focused on Ethiopia. This means the findings may not apply equally to countries with different economic structures, political systems, or levels of infrastructure development.

Second, the review is descriptive rather than causal. It documents correlations between MSME activity and development outcomes, but it cannot prove that MSMEs caused those outcomes. It is possible that areas with more MSMEs are simply areas that were already better off in other ways.

Third, the review does not measure the quality of jobs created. A business that employs someone for six months at below-subsistence wages is not the same as one that offers stable, decently paid employment. The authors acknowledge this gap and call for more impact evaluation research.

Fourth, the review focuses on formal and informal MSMEs together. But the constraints and opportunities for these two categories are very different. A formal MSME might struggle with taxes. An informal one might struggle with police harassment. The review does not always distinguish between them.

These limitations do not invalidate the findings. But they mean that anyone designing policy based on this review should proceed with humility. We know MSMEs matter. We know they face serious constraints. We are less certain about exactly which interventions work best for which types of businesses.

The Policy Implications Are Surprisingly Concrete

Endris and Kassegn did not just document problems. They outlined specific policy recommendations. And unlike many academic recommendations, these are concrete enough to act on.

The first recommendation is to develop a comprehensive policy that addresses all three constraints simultaneously. Piecemeal approaches do not work. Giving a business a loan does not help if it cannot get electricity. Giving it electricity does not help if regulations strangle it. The constraints are a system, and the policy response must be a system too.

The second recommendation is to improve access to finance through mechanisms that do not require collateral. This could include credit guarantees, peer lending groups, or revenue based financing. The key is to design products that match the cash flow patterns of micro and small enterprises.

The third recommendation is to invest in off grid and mini grid electricity solutions. Waiting for the national grid to reach every rural business will take decades. Decentralized solar and small scale hydro can provide reliable power now.

The fourth recommendation is to simplify trade regulations, especially for the smallest businesses. This means reducing registration fees, offering multilingual forms, and creating single window systems where all permits can be obtained in one place.

The fifth recommendation is to invest in impact evaluation research. We need to know which interventions actually work, not just which ones sound good.

What This Actually Means

• ▸If you work in international development, stop designing programs for "small and medium enterprises" as if they are one category. Micro enterprises with 1-5 employees face fundamentally different constraints than medium enterprises with 50-100 employees. Treat them separately.

• ▸If you are a policymaker in sub-Saharan Africa, recognize that unreliable electricity is not a minor inconvenience. It is a structural barrier that prevents entire categories of businesses from existing. Fixing the grid matters, but so do off grid solutions that can be deployed now.

• ▸If you are a banker or microfinance institution, redesign your products around the reality of micro enterprises. They do not need large loans with rigid repayment schedules. They need small, flexible loans that match their cash flow. And they need them without collateral requirements.

• ▸If you are a donor, fund impact evaluations. We have enough descriptive studies telling us that MSMEs matter. What we need are rigorous experiments that tell us which specific interventions deliver the most development per dollar.

• ▸If you are a business owner running a micro enterprise, know that your biggest obstacles are structural, not personal. The finance, electricity, and regulatory systems were not built for you. That is not your failure. It is the system's failure. And the evidence suggests that fixing that system would unlock enormous potential.

The woman selling injera from a metal cart does not need a lecture on entrepreneurship. She needs electricity that stays on, a loan she can actually repay, and regulations that do not punish her for being small. Give her those three things, and the research suggests she will do the rest herself.