The Ice Cream Extremists of Differences-In-Differences is a mammoth, cultured nation, ruled by Econometrica with an even hand, and renowned for its rampant corporate plagiarism, pith helmet sales, and ban on automobiles. The compassionate, hard-working, democratic, cheerful population of 5.705 billion Differences-In-Differencesians enjoy extensive civil freedoms, particularly in social issues, while business tends to be more regulated.

The relatively small, liberal government prioritizes Education, although Administration, Industry, and Environment are also considered important, while Spirituality and Defense receive no funds. It meets to discuss matters of state in the capital city of SUTVA Town. The average income tax rate is 34.6%, but much higher for the wealthy.

The frighteningly efficient Differences-In-Differencesian economy, worth a remarkable 1,058 trillion Average Treatment Effects a year, is led by the Information Technology industry, with significant contributions from Tourism, Retail, and Book Publishing. Average income is an impressive 185,619 Average Treatment Effects, and evenly distributed, with the richest citizens earning only 2.6 times as much as the poorest.

Cyber-crime and tin-foil hat sales are both increasing at record rates, parents giddily refuse to pay their toddlers' medical bills, all the playground's a stage for Differences-In-Differencesian schoolchildren, and farting etiquette is taught in schools. Crime is totally unknown. Differences-In-Differences's national animal is the Instrumental Variable, which is also the nation's favorite main course, and its national religion is Peer Review.

Differences-In-Differences is ranked 5,627^th in the world and 143^rd in the South Pacific for Most Developed, scoring 93.96 on the Human Development Index.