When +20% Is the Floor — The Latin American PPP Trap


Many people challenge my preferred RFP strategy for PPPs:

“Pre-qualify strong consortia, set a minimum technical pass/fail, and award to the best NPV bidder? They’ll just bid low and renegotiate later!”

I get it.

That tactic has been abused in Latin America for years.

But we need to ask: Why has +20% (often +50%, +100%, +200%) become almost inevitable there?

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Let’s look at the real causes:

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Why PPP prices skyrocket after award

1) Renegotiation is systemic.

In transport PPPs, up to 78% of contracts are renegotiated… often within the first year.

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2) Projects launched half-baked.

Weak studies, incomplete designs, poor risk allocation, unclear scope.

Politicians chase ribbon-cutting photos. Taxpayers pay the bill later.

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3) Soft-budget dynamics.

Bid cheap → survive construction → “discover” new works → renegotiate.

Initial price becomes a fantasy.

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4) Hidden fiscal costs.

Future liabilities, guarantees, scope expansions…

Everything that wasn’t priced at Day 1 suddenly appears at Day 500.

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Net result:

Everyone pretends the initial cost is low.

Everyone knows it won’t be.

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It’s not a governance model.

It’s a game… and a very expensive one.

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Between 1990 and 2013, over 1,700 PPPs reached financial close in Latin America.

The majority were renegotiated.

+20% became the minimum increase.

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What this means for each stakeholder

Governments

PPP done fast and sloppy = more expensive than traditional procurement.

And with less accountability.

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Bidders & Investors

Low-ball bids become booby traps:

scope creep, disputes, restructuring, reputation damage.

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Citizens

Higher tolls, higher taxes, deferred public debt.

The opposite of value for money.

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That’s not the future we want.

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How to stop the price creep

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If agencies want good PPP outcomes, they must:

Finish the homework before launching the RFP

Define minimum technical standards, KPIs, lifecycle requirements

Conduct real market sounding and incorporate feedback

Provide ground & property data, early technical clarity

Run a disciplined, transparent evaluation (no grey areas)

Enforce independent review before any renegotiation

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If you reward clarity and discipline…

You get innovation and competitive tension.

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If you reward shortcuts…

you get a renegotiation.

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PPP Rule of Thumb:

If you don’t allocate risk upfront,

Risk will allocate itself later…and it will be very expensive.

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More tomorrow.

In the meantime, you can do click below.

​Vicente Valencia Academy ​

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