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1 December 2012 Using Conditional Lorenz Curves to Examine Consolidation in New Zealand Commercial Fishing
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Abstract

We use individual transferable quota (ITQ) consolidation in New Zealand's commercial fishing to illustrate three different methods of measuring consolidation: the Herfindahl Hirschman Index (HHI), conditional Gini Coefficients, and conditional Lorenz curves. The Lorenz curve allows for conditional specification over stratified groupings, which yields straightforward interpretation and illustration of overall inequality for more nuanced interpretations.

JEL Classification Codes: Q22, Q28, C4

KOBI ABAYOMI and Tracy Yandle "Using Conditional Lorenz Curves to Examine Consolidation in New Zealand Commercial Fishing," Marine Resource Economics 27(4), (1 December 2012). https://doi.org/10.5950/0738-1360-27.4.303
Published: 1 December 2012
JOURNAL ARTICLE
19 PAGES

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