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The Economics of Managing Infectious Wildlife Disease
Author(s) -
Horan Richard D.,
Wolf Christopher A.
Publication year - 2005
Publication title -
american journal of agricultural economics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.949
H-Index - 111
eISSN - 1467-8276
pISSN - 0002-9092
DOI - 10.1111/j.1467-8276.2005.00746.x
Subject(s) - wildlife , productivity , wildlife disease , population , disease , biology , disease control , ecology , geography , economics , environmental health , microbiology and biotechnology , medicine , economic growth
We use a two‐state linear control model to examine the socially optimal management of disease in a valuable wildlife population when diseased animals cannot be harvested selectively. The two control variables are nonselective harvests and supplemental feeding of wildlife, where feeding increases both in situ productivity and disease prevalence. We derive a double singular solution which depends on the initial state and does not require bang‐bang controls. The case of bovine tuberculosis among Michigan white‐tailed deer is analyzed. In the base model, the disease is optimally maintained at low levels, with intermittent investments (via feeding) in deer productivity.