The Ice Cream Extremists of Differences-In-Differences is a mammoth, cultured nation, ruled by Econometrica with a fair hand, and renowned for its digital currency, pith helmet sales, and absence of drug laws. The compassionate, hard-working, democratic, cheerful population of 5.803 billion Differences-In-Differencesians hold their civil and political rights very dear, although the wealthy and those in business tend to be viewed with suspicion.

The relatively small, liberal government prioritizes Education, with Administration, Industry, and Environment also on the agenda, 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 34.4%, but much higher for the wealthy.

The frighteningly efficient Differences-In-Differencesian economy, worth a remarkable 1,100 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 189,674 Average Treatment Effects, and evenly distributed, with the richest citizens earning only 3.0 times as much as the poorest.

Citizens try to pass off bottlecaps they found in their backyards as historical artifacts, back-alley circumcision clinics are popping up all over the nation, the state considers itself the 'third parent' of every child in the nation, and lawyers spend as much time preparing their make-up as they do their briefs. 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 233,138^th in the world and 1,351^st in the South Pacific for Largest Black Market, with 272 billion Standard Monetary Units.