The Ice Cream Extremists of Differences-In-Differences is a mammoth, socially progressive nation, ruled by Econometrica with a fair hand, and renowned for its smutty television, sprawling nuclear power plants, and devotion to social welfare. The compassionate, hard-working, democratic, cheerful population of 6.014 billion Differences-In-Differencesians live in a state of perpetual fear, as a complete breakdown of social order has led to the rise of order through biker gangs.

The relatively small, pro-business government prioritizes Education, with Administration, Industry, and Environment also on the agenda, while Defense and Spirituality are ignored. It meets to discuss matters of state in the capital city of SUTVA Town. Citizens pay a flat income tax of 35.6%.

The frighteningly efficient Differences-In-Differencesian economy, worth a remarkable 1,188 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 197,553 Average Treatment Effects, but there is a significant disparity between incomes, with the richest 10% of citizens earning 682,425 per year while the poor average 41,825, a ratio of 16.3 to 1.

Photographers can be found hiding behind the curtains in Econometrica's bedroom, Differences-In-Differencesians are fixin' ta comma any way they wanna, exorbitant spending on icebreakers breaks the ice at every budget meeting, and the nation's nuclear defence policy is to "turn the other cheek". 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 315,271^st in the world and 4,202^nd in the South Pacific for Most Devout, with 2.05 prayers per hour.