advertising efficiency
81Sony — For other uses, see Sony (disambiguation). Sony Corporation ソニー株式会社 Type Public company Traded as TYO: 6758 …
82Royal Dutch Shell — plc Type Public limited company Traded as LSE:  …
83Smart (automobile) — For cars with artificial intelligence, see Intelligent car. smart Type Division of Daimler AG Industry Automotive Founded 1994 …
84Tobacco smoking — Part of a series on Smoking …
85Overfishing — Atlantic cod stocks were severely overfished in the 1970s and 1980s, leading to their abrupt collapse in 1992 Overfishing …
86Centrica — plc Type Public limited company Traded as LSE:  …
87JEL classification codes — Articles in journals are usually classified according to the system used by the Journal of Economic Literature (JEL). The JEL is published quarterly by the American Economic Association and contains survey articles and information on recently… …
88Sustainable tourism — Part of a series on Green economics Concepts …
89Bass instrument amplification — for the bass guitar, double bass and similar instruments is distinct from other types of amplification systems due to the particular challenges associated with low frequency sound reproduction. This distinction affects the design of the… …
90accounting — /euh kown ting/, n. 1. the theory and system of setting up, maintaining, and auditing the books of a firm; art of analyzing the financial position and operating results of a business house from a study of its sales, purchases, overhead, etc.… …
