#700 1986 · New Zealand Ministry of Fisheries · Fisheries management / natural resource policy
New Zealand stopped fishers from racing each other by giving each one a permanent slice of the catch to own
the problem
Inshore fish stocks were collapsing because no boat owned a fish until it caught one
background
By the early 1980s New Zealand's inshore fisheries were, in a former Ministry of Fisheries deputy chief executive's words, "the wild west": too many boats chasing too few fish, with stocks on the verge of economic collapse. Because no fisher owned any fish until it was physically caught, every boat had an incentive to catch as much as possible as fast as possible, since anything left in the water would likely be taken by someone else first.
Regulators had already tried the standard toolkit — size limits, gear restrictions, closed seasons, area closures, even outright moratoriums on new entrants — but these input controls kept failing, since boats simply fished harder and more efficiently within whatever limits remained. By 1984, officials concluded that regulating how fishing happened couldn't fix a problem rooted in who owned the fish.
what everyone would do
Tighten the existing input controls — shorter seasons, stricter gear rules, smaller size limits, a moratorium on new boats — the approach New Zealand regulators had already been relying on through the early 1980s, and which kept failing because it left the fisher's core incentive untouched: whatever the rules allowed, every boat still had a reason to catch as much of it as fast as possible before someone else did.
what they saw
The overfishing wasn't actually caused by fishers ignoring the rules — it was caused by a structure where nobody owned any fish until they'd already caught it, so every restriction just changed the terms of the same race rather than ending it. What fishers needed wasn't a tighter leash on how they competed, it was to stop competing over the same pool of fish at all: give each one a permanent, tradable percentage share of the total catch, and the fish they're entitled to no longer depends on beating anyone else to the water.
the move
The Fisheries Amendment Act 1986 introduced the Quota Management System, allocating every existing fisher a permanent Individual Transferable Quota (ITQ): a fixed percentage share of the government's annual Total Allowable Catch for a given species in a given area, based on that fisher's prior catch history. Unlike a boat-by-boat catch limit, an ITQ was a tradable property right — fishers could catch their share whenever it was most economically sensible, or sell or lease it to someone else entirely.
why it works
Because an Individual Transferable Quota belonged to a fisher regardless of when or how fast they caught it, there was no longer any reason to overinvest in speed or capacity just to beat other boats to the same stock — a fisher could catch their share whenever it was most profitable, or sell it to someone who could fish it more efficiently, turning a destructive scramble into an ordinary market transaction. That same tradability let capital and effort flow toward whoever could actually generate the most value from a given share, which is why the fishery's total asset value kept rising even as the government cut total allowable catches to let overfished stocks recover.
the payoff
Because each fisher's share no longer depended on beating every other boat to the water, the incentive to overinvest in bigger boats and race for fish disappeared, replaced by a market in harvesting rights that rewarded efficiency and let capital flow toward whoever could fish a given quota most profitably. A Statistics New Zealand study later found that between 1996 and 2009 the asset value of the original 26 QMS species rose 18 percent even as their combined catch limits were cut 40 percent to let stocks rebuild.
where it breaks
It only works if quota can be allocated fairly enough at the outset to hold political and industry support — New Zealand's initial allocation, based on recent catch history, still required direct government compensation for reduced catch limits, and disputes over Māori treaty fishing rights took a separate, decade-long settlement to resolve. And a tradable ownership right in a shared resource can concentrate over time as quota gets bought up by larger operators, a consolidation pressure New Zealand's system has had to keep managing since 1986 rather than one it solved once and for all.
what came after
New Zealand became the first country to adopt individual transferable quotas as a comprehensive national fisheries policy, and the model was subsequently studied and adapted by Iceland, Australia, the United States and other nations managing their own fisheries; by 2016 New Zealand was hosting fisheries ministers from across the Pacific, backed by a NZ$34 million government fund, to help them adopt the same catch-based, ownership-driven approach.
references
- [1]Initial Allocation of Individual Transferable Quota in New Zealand FisheriesFood and Agriculture Organization of the United Nations, 2000fao.org
- [2]The pearl of New Zealand fishingNational Institute of Water and Atmospheric Research (NIWA), 2016niwa.co.nz