In Simple Words
When a driver upgrades from an old beat-up car to an expensive sports car, they spend significantly more on anti-theft alarms and high-grade maintenance products because protecting the high-value asset suddenly becomes worthwhile.
Farmers choosing crops
- Fixed Rs.350 cash promised
- Study comparison group
- Rainfall insurance
- 5.4 points more used pesticide
2009 trial. Percentage-point change in any pesticide investment for cash crops; other inputs had less precise estimates.
See source →Research question
When smallholder farmers transition to high-value cash crops under financial risk protection, investment responses across individual production inputs are uneven, with defensive crop-protection inputs exhibiting greater statistical responsiveness than base cultivation inputs.
Participants
N = 1,479 farming households in Andhra Pradesh, India.
Study Design
Randomized Controlled Trial evaluating individual input categories (seeds, fertilizer, manure, pesticide, labor) using Probit and Tobit estimators across treatment and control groups.
Results
Providing rainfall insurance increased pesticide investments for cash crops by 0.932 log points (p < 0.05) and increased the likelihood of positive pesticide usage by 5.4 percentage points (p < 0.05), representing the only individually statistically significant input category shift among disaggregated agricultural inputs.
Takeaway
Supply targeted voucher discounts or credit lines for crop-protection inputs alongside weather insurance to support cash crop adoption.
Source and citation
See source →Read alongside the research
Plain-English glossary
Original explanations, informed by the references below. Examples are illustrations, not data from the studies above. The research text stays unchanged.
- Percentage points
The difference between two percentages.
ExampleA rise from 40% to 50% is 10 percentage points. Relative to the starting value, that is a 25% increase.
Office for National Statistics · Percentages ↗Read more about percentage points →- Randomized controlled trial
A study that uses chance, like drawing lots, to decide who receives each option being compared. Researchers compare the groups’ outcomes to estimate the effect of those options.
ExampleA lottery assigns volunteers to a training programme or a comparison group. Researchers then compare their outcomes.
GET-IT glossary · Randomized study ↗Read more about randomized controlled trial →- Statistically significant
A label used when a result passes a chosen statistical threshold, often p < 0.05. It does not show how large or useful an effect is. A result that is not statistically significant does not prove there is no effect.
ExampleA study reports p = 0.03 against a 0.05 threshold. It passes that test, but the effect could still be too small to matter.
American Statistical Association · Statement on p-values ↗Read more about statistically significant →