In July and August, Rome's Baths of Caracalla still offer the occasional performance though infrequently, due to the damage inflicted over the years.
Sometimes in late summer the Baths of Caracalla are open to the public, but this is infrequent due to the ill repair of the facilities.
they illustrate 1) Decline in revenue share from household sector 2) Increasing, in absolute value, own-price elasticity 3) Increasing substitutability away from postage consumption with computer use 4) Increasing substitutability between postage and telephone consumption.