@booklet {hart-cftmp2021,
	title = {Calibrated Forecasts: The Minimax Proof},
	howpublished = {Discussion Papers},
	year = {2021},
	month = {11},
	abstract = {A formal write-up of the simple proof (1995) of the existence of calibrated forecasts by the minimax theorem, which moreover shows that N^3 periods suffice to guarantee a 1/N calibration error.},
	url = {http://www.ma.huji.ac.il/hart/publ.html$\#$calib-minmax},
	author = {Sergiu Hart}
}
