30-second economics : the 50 most thought-provoking economic theories, each explained in half a minute / Donald B Marron; editor. - London : Icon Books, c2011, 2017. - 159 pages: color illustrations 20 cm. Includes index in English ISBN: 9781785782909 Subjects--Topical Terms: Economics--Popular worksEconomics LC Class. No.: 330.1 T34 2017