Tauer, Loren W.; Seleka, Tebogo B. - Charles H. Dyson School of Applied Economics and … - 1994
Changes in individual states' agricultural production diversity and variance of cash receipts were measured over the 30-year period 1960 through 1989. Diversity was measured using a general index, of which the inverse Herfindahl and the Entropy are special cases. Cash receipt variability was...