The Ice Cream Extremists of Differences-In-Differences is a mammoth, efficient nation, ruled by Econometrica with a fair hand, and remarkable for its museums and concert halls, rampant corporate plagiarism, and devotion to social welfare. The compassionate, hard-working, democratic, cheerful population of 5.711 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, although Industry, Administration, 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 33.8%.

The frighteningly efficient Differences-In-Differencesian economy, worth a remarkable 1,060 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 185,725 Average Treatment Effects, and evenly distributed, with the richest citizens earning only 3.2 times as much as the poorest.

Corporate executives continue to enjoy generous tax benefits while the public is taxed to the hilt, fighter pilots crash out of the air after failing to understand their foreign instruction manuals, takeaway food bought on the weekend now comes with fifty percent more sweat and tears, and a few people seem to spend their whole time complaining. 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 5,652^nd in the world and 143^rd in the South Pacific for Most Developed, scoring 93.94 on the Human Development Index.