Brian gave us good news from Ann Arbor.  Here is what economists say
about land use:  large, monocultural farms with no windbreaks are best
suited to fight erosion.  Huh???


"Small Farms, Externalities, and the Dust Bowl of the 1930's"

      BY:  ZEYNEP KOCABIYIK HANSEN
              Washington University, St. Louis
              John M. Olin School of Business
           GARY D. LIBECAP
              University of Arizona - Karl Eller Center
              National Bureau of Economic Research (NBER)

Document:  Available from the SSRN Electronic Paper Collection:
           http://papers.ssrn.com/paper.taf?abstract_id=463422

Paper ID:  NBER Working Paper No. W10055
    Date:  November 2003

 Contact:  GARY D. LIBECAP
   Email:  Mailto:[EMAIL PROTECTED]
  Postal:  University of Arizona - Karl Eller Center
           McClelland Hall
           Tucson, AZ 85721-0108  UNITED STATES
   Phone:  520-621-4821
     Fax:  520-626-5269
 Co-Auth:  ZEYNEP KOCABIYIK HANSEN
   Email:  Mailto:[EMAIL PROTECTED]
  Postal:  Washington University, St. Louis
           John M. Olin School of Business
           One Brookings Drive
           Campus Box 1133
           St. Louis, MO 63130-4899  UNITED STATES

ABSTRACT:
 We provide a new and more complete analysis of the origins of
 the Dust Bowl of the 1930s, one of the most severe environmental
 crises in North America in the 20th Century. Severe drought and
 wind erosion hit the Great Plains in 1930 and lasted through
 1940. There were similar droughts in the 1950s and 1970s, but no
 comparable level of wind erosion. We explain why. The prevalence
 of small farms in the 1930s limited private solutions for
 controlling the downwind externalities associated with wind
 erosion. Drifting sand from unprotected fields damaged
 neighboring farms. Small farmers cultivated more of their land
 and were less likely to invest in erosion control than were
 larger farmers. Soil Conservation Districts, established by
 government after 1937, helped coordinate erosion control. This
 'unitized' solution for collective action is similar to that
 used in other natural resource/environmental settings.


JEL Classification: Q24, N52, O13, K11
"Small Farms, Externalities, and the Dust Bowl of the 1930's"

      BY:  ZEYNEP KOCABIYIK HANSEN
              Washington University, St. Louis
              John M. Olin School of Business
           GARY D. LIBECAP
              University of Arizona - Karl Eller Center
              National Bureau of Economic Research (NBER)

Document:  Available from the SSRN Electronic Paper Collection:
           http://papers.ssrn.com/paper.taf?abstract_id=463422

Paper ID:  NBER Working Paper No. W10055
    Date:  November 2003

 Contact:  GARY D. LIBECAP
   Email:  Mailto:[EMAIL PROTECTED]
  Postal:  University of Arizona - Karl Eller Center
           McClelland Hall
           Tucson, AZ 85721-0108  UNITED STATES
   Phone:  520-621-4821
     Fax:  520-626-5269
 Co-Auth:  ZEYNEP KOCABIYIK HANSEN
   Email:  Mailto:[EMAIL PROTECTED]
  Postal:  Washington University, St. Louis
           John M. Olin School of Business
           One Brookings Drive
           Campus Box 1133
           St. Louis, MO 63130-4899  UNITED STATES

ABSTRACT:
 We provide a new and more complete analysis of the origins of
 the Dust Bowl of the 1930s, one of the most severe environmental
 crises in North America in the 20th Century. Severe drought and
 wind erosion hit the Great Plains in 1930 and lasted through
 1940. There were similar droughts in the 1950s and 1970s, but no
 comparable level of wind erosion. We explain why. The prevalence
 of small farms in the 1930s limited private solutions for
 controlling the downwind externalities associated with wind
 erosion. Drifting sand from unprotected fields damaged
 neighboring farms. Small farmers cultivated more of their land
 and were less likely to invest in erosion control than were
 larger farmers. Soil Conservation Districts, established by
 government after 1937, helped coordinate erosion control. This
 'unitized' solution for collective action is similar to that
 used in other natural resource/environmental settings.


--

Michael Perelman
Economics Department
California State University
michael at ecst.csuchico.edu
Chico, CA 95929
530-898-5321
fax 530-898-5901

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