Subject: Telecommunication policy; Telecommunication -- Economic aspects; Mass media policy; Mass media -- Economic aspects; Communication policy; Communication -- Economic aspects
Subject: Telecommunication policy; Telecommunication -- Economic aspects; Mass media policy; Mass media -- Economic aspects; Communication policy; Communication -- Economic aspects
Subject: Stocks -- Prices -- Europe -- Econometric models; Stocks -- Prices -- Japan -- Econometric models; Stocks -- Prices -- United States -- Econometric models; Stock quotations -- Effect of time and economic reactions on -- Econometric models