Giant data set, big collaborative effort, spreadsheets and calculations are available online, and enjoyably written. Most economics texts I've found to be extre

Giant data set, big collaborative effort, spreadsheets and calculations are available online, and enjoyably written. Most economics texts I've found to be extremely dry, mostly theoretical (minimal or short-term real world data), and/or have their calculations hidden in some excel-based black box that will never be seen by anyone else.