What it means
The bank is a multilateral lender, meaning it is owned by several governments rather than by shareholders seeking profit. Borrowing members are the Caribbean states it serves, while non-borrowing members from outside the region contribute capital and strengthen the bank's standing with investors.
It raises most of its money by issuing bonds on international markets against the capital its members have subscribed. That subscribed capital is what allows the bank to borrow at a low rate and pass that rate on, so its lending cost reflects its own credit standing rather than each borrower's.
Lending comes in two broad forms. Ordinary capital resources are priced close to the bank's own cost of funds, while concessional funds, administered through a special development fund that members replenish periodically, carry softer terms for the poorest borrowers.
Money is lent against projects rather than handed over as general budget support in most cases. The bank appraises the project, disburses against certified progress, and attaches conditions on procurement, environmental standards and reporting, which is why its loans take far longer to arrange than a bank overdraft.
Alongside lending it provides grant-funded technical assistance, feasibility studies and training, and it acts as a channel for donor money after hurricanes and floods. For small states with thin capital markets, that advisory and emergency role often matters as much as the lending itself.
The benefit to a finance ministry is best measured as the saving against what commercial markets would charge, over a much longer term. The cost is the conditionality and the time, since appraisal, procurement rules and reporting all add work that a bond issue would not.
In practice
Real-world examples.
Example
A ministry of works funds a $45,000,000 coastal road rebuild with a development bank loan disbursed against certified construction milestones. The terms include an environmental management plan and competitive tendering, which delays the start by several months but lowers the interest cost materially against a commercial alternative.
Example
A small island state hit by a hurricane draws on an emergency facility to restore water and electricity supply within weeks. The finance ministry records the drawdown as public debt and the accompanying grant-funded damage assessment as a non-repayable contribution.
Example
A state-owned port authority uses technical assistance funding to prepare a feasibility study for a new container berth. The study is grant-funded, so it adds nothing to debt, and it later supports the authority's application for a $30,000,000 investment loan.
Formula
Calculation
Annual interest saving = loan principal x (commercial interest rate - development bank interest rate)
A government borrows $20,000,000 for a water treatment plant. Suppose the development bank offers 2.5% a year over 20 years while the same government's commercial borrowing cost for that term would be 7.0%. The annual saving is 20,000,000 x (0.070 - 0.025) = 20,000,000 x 0.045 = $900,000, which is 900,000 x 20 = $18,000,000 of interest over the full term before any discounting. Rates are set by the bank from time to time rather than fixed permanently, so the comparison has to be redone with the quoted terms of each loan.Case study
Seen in the real world.
Port Eldon is an illustrative, fictional small island state facing a choice over how to fund a $60,000,000 hospital.
Its treasury modelled two routes. A regional bond issue could be arranged within four months at roughly 7.5% over 12 years, while a development bank loan would take about a year to appraise but was expected to price near 3.0% over 25 years, with a grace period on principal during construction.
The interest difference on $60,000,000 was 60,000,000 x (0.075 - 0.030) = $2,700,000 a year at the outset, which was more than the hospital's projected annual operating deficit. Port Eldon accepted the slower route and used the waiting period to complete the design and procurement plan the bank required. In this illustrative example the appraisal conditions themselves removed two expensive specification errors before any concrete was poured.
Watch out
Common mistakes.
- Treating a development bank loan as aid, when it is debt that has to be repaid and appears in full in the national accounts.
- Comparing only the headline interest rate, and ignoring the longer term, the grace period and the fees that often matter more to affordability.
- Assuming approval is quick, when appraisal, procurement and environmental requirements routinely add months to the timetable.
Questions
People also ask.
Who owns the Caribbean Development Bank?
Its member governments, split between borrowing members in the region and non-borrowing members from outside it who subscribe capital without taking loans.
Why can it lend more cheaply than a commercial bank?
Because it borrows against capital subscribed by its members, which gives it a stronger credit standing than most of its borrowers have on their own.
Does it lend to private companies?
Its main relationships are with governments and public bodies, though it also supports private sector activity indirectly, often by lending through national development banks.
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