A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.
ode - ordinary differential equations
The equilibrium selection tag applies to question which deal with the issue of selecting one or more out of multiple equilibria based on some criterion.
GNP (Gross National Product)
a behavioral bias capturing the notion that people tend to prefer avoiding losses over acquiring equivalent gains. In economics, this bias is illustrated in theoretical, experimental …