The Ice Cream Extremists of Differences-In-Differences is a mammoth, socially progressive nation, ruled by Econometrica with a fair hand, and notable for its smutty television, daily referendums, and devotion to social welfare. The compassionate, hard-working, democratic population of 5.948 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, 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. Citizens pay a flat income tax of 36.2%.

The frighteningly efficient Differences-In-Differencesian economy, worth a remarkable 1,159 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 194,857 Average Treatment Effects, with the richest citizens earning 8.7 times as much as the poorest.

What goes down must come up, recent protests against birds flying too low have resulted in bloodshed, prime commercial land is being swamped with archaeological teams, and asking 'does my bum look big in this?' leads to 30 hours of self-esteem classes. 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 5,337^th in the world and 174^th in the South Pacific for Nicest Citizens, with 44.89 average smiles per day.