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Supply, Demand, Liquidity: A Strategic Framework for Public Capital Markets

Writer: Mari Blumenthal
Mari Blumenthal
Sep 21
2 min read

Multilateral development banks, DFIs and development agencies have a much wider range of tools at their disposal than they realise. The Public Markets Coalition's Strategic Framework, at the core of its forthcoming Toolkit, organises those tools into three categories, each tied to addressing a distinct capital markets challenge: Supply, Demand and Liquidity.  





Together, these three categories provide a comprehensive map of how public actors can engage with, and help develop, public markets in contexts where those markets remain shallow, illiquid, or underdeveloped. The framework is intended to give development finance actors a systematic basis for planning and executing public market interventions, rather than approaching each transaction as a one-off.  

 

The three categories are not mutually exclusive, and a single intervention can affect more than one dimension at once. In practice, real transactions rarely fit cleanly into only one category. The useful question is which friction a transaction resolves, not which single box it belongs in. Rather than providing a strict taxonomy for sorting deals, the framework should be used as a diagnostic lens: a way to ask which friction is blocking capital in a given market.  


Supply: bringing an asset to market 

Supply-side interventions are those in which a development finance actor (DFA) originates the underlying exposure and brings it to public markets as a listed instrument. That might mean exiting an equity stake through an IPO, issuing a bond against the institution's own balance sheet, structuring a single credit exposure as a listed bond rather than a private loan, or securitising a portfolio of existing loans. In each case, an exposure that would otherwise sit privately on the institution's books becomes a publicly listed security, directly expanding the universe of instruments available to investors. 

Demand: backing someone else's issuance 

Demand-side interventions work from the other side of the transaction: rather than originating the asset, the DFA supports a third party's issuance. Anchor investments, through taking a cornerstone position in an IPO or a significant bond allocation, provide the credibility and price signal that can bring other investors along.  This intervention can make a significant impact in emerging markets where the existing investor base is still thin. Guarantees serve a similar function by improving credit quality so a wider pool of investors can participate in a transaction. 


Liquidity: the market's plumbing 

A market can have willing issuers and genuine investor demand and still fail to function if secondary trading is thin or transaction costs are too high. Liquidity interventions address this friction by providing capital that supports market-making, so dealers can quote continuous prices; support for underwriting capacity, so new issuances are more likely to clear; and investment in repo facilities, which let institutions use their holdings as collateral for short-term funding and so hold and trade public instruments more readily. 






 
 
 

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