An 18-year-old high-school senior. Her smile and phone translation help her meet people and bring their problems back to the team.
ECONOMIC MODEL · GAME 12Farmland biodiversity results payments
Explore the advanced economics
CASE 12Farm results payments
LAND & WATER
12/12Farmland biodiversity results payments
Do this now · STORY 1/5Choose how to begin
STORY NAVIGATOR · ACT 1
Tamaki Ito
Tenant farmer and community nature monitor · 『The day two people score one field』
Characters & story
Aoi meets tenant farmer Tamaki Ito, whose improving field receives scores 1.8 points apart from two assessors. Dr. Mori explains how incentives fail when weather and measurement noise are treated as effort. Ren combines a base payment, multi-year average, double scoring, and appeal rights. The contract rewards improvement from a difficult starting point without paying for results that cannot be verified.
Tamaki is a tenant farmer and community nature monitor who experiments with field improvements.
He uses familiar examples to explain why the economic problem occurs.
A 23-year-old first-year graduate student. He asks who pays when and what promise people can actually keep.
A transcendent economist from another world. Nagi finds the problem that remains after Earth’s best answer.
What is happening
「Tamaki’s field is visibly better, but two assessors differ by 1.8 points. If payment depends on one annual score, she may not pay this month’s rent.」
Keep responsibility for ecological results while separating farmer effort from weather and measurement error.
Their wish: Create a system that rewards improvement even on a difficult rented field / What gets in their way: When a contest begins, she tries to solve every problem alone