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.
Please visit the AT&T Inc. Investor Relations home page. For account information or assistance regarding stock transfers, cost basis worksheets, dividend or dividend reinvestment, direct stock purchases or to enroll in an IRA, contact: Stockholder Services. Stockholder Services Hotline: 1-800-351-7221 (210) 351-3327. Computershare: 1-800-351-7221 Outside continental U.S. call collect at 781-575-4729 Hearing impaired stockholders with access to a TDD device can communicate directly with Computershare by calling 1 888 403-9700.