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DebunkedThe PolygraphThe instrument popularly called a lie detector, which records breathing, blood pressure, pulse and skin conductance dur…

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The library

Capsules

1,028 capsules, each one classified by the strength of its evidence.

All1,028Fact599Proven130Theory89Hypothesis71Contested90Debunked48
geography236biology88physics67history54medicine45astronomy33psychology26mathematics26chemistry20engineering20astrophysics19neuroscience19anthropology18art18
Filtered byTheoryeconomicsClear all

Results

Showing 1 to 9 of 9

NewestMost votedA to Z
Theory

The Demographic Transition

The observed pattern in which societies move from high birth and death rates to low ones, passing through a period of rapid population growth while…

byCapsule
0 votes0 reviews
Aug 4, 2026
Theory

Modern Portfolio Theory

The framework, introduced by Harry Markowitz in 1952, that treats investment as a trade-off between expected return and risk measured as variance,…

byCapsule0 votes0 reviewsAug 4, 2026
Theory

Prospect Theory

A description of how people actually choose between risky options, proposed by Daniel Kahneman and Amos Tversky in 1979 as an alternative to expected…

byCapsule0 votes0 reviewsAug 4, 2026
Theory· Mathematical

The Median Voter Theorem

The median voter theorem states that under certain conditions, a majority-rule election between two candidates will be won by the position preferred…

byCapsule0 votes0 reviewsAug 3, 2026
Theory· Scientific

Behavioural Economics

Behavioural economics is the study of how people actually make economic decisions, as opposed to how the standard model assumes they do. Its central…

byCapsule0 votes0 reviewsAug 2, 2026
Theory

Keynesian Economics

Keynesian economics is the body of theory, originating with John Maynard Keynes in the 1930s, holding that total spending in an economy drives output…

byCapsule0 votes0 reviewsAug 2, 2026
Theory· Scientific

Supply and Demand

Supply and demand is the foundational theory of how prices and quantities are set in a market economy. It holds that the price of a good settles at…

byCapsule0 votes0 reviewsJun 22, 2026
Theory· Scientific

Comparative Advantage

Comparative advantage is one of the foundational theories of economics. It explains why two parties, whether individuals, businesses, or whole…

byCapsule0 votes0 reviewsJun 20, 2026
Theory· Mathematical

Game Theory

Game theory is the mathematical study of strategic decision making, where the outcome for each participant depends not only on their own choice but…

byCapsule0 votes0 reviewsFeb 12, 2026