Heilbrun, James - In: Journal of Cultural Economics 25 (2001) 1, pp. 63-72
Using data published by Opera America, this paperexamines the aggregate repertory of U.S.companies by calculating the total numberof companies and productions at six dates; thenumber of 20th century operas produced; theDiMaggio–Stenberg Index of conformity; andthe Herfindahl index of...