The major defining characteristic of a market economy is that investment decisions and the allocation of producer goods are mainly made by negotiation through markets. This is contrasted with a planned economy, where investment and production decisions are embodied in a plan of production.
Quick Answer. Current employees can reach the Human Resources department at AT&T by calling 1-800-992-2478 and speaking with a career management professional, as of 2015. Individuals interested in applying for a position with AT&T should utilize the online platform to contact human resources at connect.att.jobs. Continue Reading.
Using other AT&T Payment Options. 1  1. Pay your bill via the automated phone system. Dial 1-800-288-2020 to access the 24 hour-a-day telephone customer service system. 2  2. Speak with a customer service representative. Once you have verified your phone number, the phone system will ask you what you would like to do.