Michael Shang
Coinage

Policy as a Filter, Policy as Movement

Credit policy was built to decide who to bank and how. Increasingly its real job is to move approved deals fast enough that a yes still means something.

First coined in The Corridor Desk — Issue 01. This page is its canonical reference.

Two jobs a policy can do

Policy used to be about deciding: who to bank, how to structure, when to review. Increasingly, it has to be about moving.

Those are two different jobs. Policy as a filter separates the bankable from the non-bankable—credit thresholds, sector caps, rating screens, the gates a deal must clear. Policy as movement does something else: it gets an already-approved deal through the pipeline at the speed the underlying trade actually runs. A policy can be excellent at the first job and quietly fail at the second, and for a long time nobody notices, because the cost of slowness is not written down anywhere.

Why the constraint moved

I rewrote a trade finance policy in 2014, and it was built almost entirely around selection. That was the right design for its moment: a bad approval was costly and visible, while a slow approval was not yet priced into anyone's risk model. Selection was where the risk lived.

By now, selection is largely a solved problem—ratings, screening, and structured criteria do most of that work. The binding constraint has moved to execution velocity. In trade-linked working capital, timing is not a convenience; it is the substance. A delayed yes is often economically indistinguishable from a no—the shipment moves, the season closes, the counterparty finds another bank. Policy that does not price that explicitly is quietly subsidising inertia.

Boundaries

This is a claim about a particular place: the New Zealand–Asia trade corridors, where trade is localising faster than policy language admits. A policy drafted in London or Beijing may not capture the operating logic of the corridor it is meant to govern. The filter-to-movement shift is sharpest where speed is part of the product; it matters less in slow, asset-heavy, long-tenor lending where a few extra weeks change little.

Where it sits in this notebook

The filter answers whether; movement answers when. That maps directly onto the appetite-versus-timing distinction in What Bankability Really Means—except here the point is institutional rather than individual: an institution can have genuine appetite and still lose the deal to its own cadence. It is also the supply side of Growth vs Financeability: the precise, well-structured request still needs a process fast enough to say yes while the yes is still worth having.